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., Submitted.\par \par ., Submitted.\par \par ., Submitted.\par \par ., Submitted.\par \par ., Submitted.\par \par Valtchev, Stanimir, Beatriz V. Borges, and JB Klaassens \i Series Resonant Converter Applied to Contactless Energy Transmission\i0 ., Submitted.\par \par Belousov, \{Aleksey Sergeevich\}, \{Viktor Nikolayevich\} Meshcheryakov, Stanimir Valtchev, and \{Oleg Viktorovich\} Kryukov. "Development of a Control Algorithm for Three-Phase Inverter in Two-Phase Electric Drives Reducing the Number of Commutations." \i Proceedings - 2019 1st International Conference on Control Systems, Mathematical Modelling, Automation and Energy Efficiency, SUMMA 2019\i0 . Proceedings - 2019 1st International Conference on Control Systems, Mathematical Modelling, Automation and Energy Efficiency, SUMMA 2019. United States: Institute of Electrical and Electronics Engineers Inc.,  2019. 444-449.\par \par Al-Saadi, M., S. Valtchev, L. Romba, J. Gon?alves, and A. Cr?ciunescu. "Comparison of Spiral and Square Coil Configurations in Wireless Power Transfer System for Contactless Battery Charging." \i 2019 Electric Vehicles International Conference, EV 2019\i0  (2019).\par \par Valtchev, Stan, and Svilen Valtchev. "Control for the Contactless Series Resonant Energy Converter." \i Emerging Capabilities and Applications of Wireless Power Transfer\i0 . IGI Global,  2019. 102-140.\par \par Romba, Luis, and Stan Valtchev. "Efficiency Improvement in Wireless Power System." \i Emerging Capabilities and Applications of Wireless Power Transfer\i0 . IGI Global,  2019. 23-48.\par \par Baikova, \{Elena N. \}, Luis Romba, and Stan Valtchev. "Electromagnetic Influence of WPT on Human's Health: Modelling, Simulation, and Measurement." \i Emerging Capabilities and Applications of Wireless Power Transfer\i0 . IGI Global,  2019. 141-161.\par \par Meshcheryakov, V. N., D. V. Lastochkin, Z. M. Shakurova, and S. Valtchev. "Energy saving system of cascade variable frequency induction electric drive." \i E3S Web of Conferences\i0 . 124 (2019).\par \par Meshcheryakov, V. N., V. V. Danilov, Sh.R. Khasanov, and S. Valtchev. "Minimization of the stator current in induction motor with defined load on the shaft by maintaining optimum absolute slip." \i E3S Web of Conferences\i0 . 124 (2019).\par \par Goncalves, J. T., S. Valtchev, R. Melicio, and M. Al-Saadi. "Three-Phase Unidirectional Transformerless Hybrid Rectifier with Boost Converter." \i Proceedings - 2019 IEEE 1st Global Power, Energy and Communication Conference, GPECOM 2019\i0  (2019): 158-163.\par \par Mudrov, Mikhail, Anatoliy Ziuzev, Konstantin Nesterov, and Stanimir Valtchev. "Asynchronous electric drive power-hardware-in-the-loop system." \i Proceedings - 2018 17th International Ural Conference on AC Electric Drives, ACED 2018\i0 . Vol. 2018-April. United States: Institute of Electrical and Electronics Engineers Inc.,  2018. 1-5.\par \par Mihaylov, Kaloyan, Rumen Arnaudov, and Stanimir Valtchev. "Design and analysis of wireless sensor network powered through neutral to earth voltage." \i Proceedings - 2018 17th International Ural Conference on AC Electric Drives, ACED 2018\i0 . Vol. 2018-April. United States: Institute of Electrical and Electronics Engineers Inc.,  2018. 1-6.\par \par Braslavsky, \{Isaak Ya\}, \{Vladimir P. \} Metelkov, \{Alex V. \} Kostylev, and Stanimir Valtchev. "On reliability and energy efficiency increasing of the vehicles electric drives." \i Proceedings - 2018 17th International Ural Conference on AC Electric Drives, ACED 2018\i0 . Vol. 2018-April. United States: Institute of Electrical and Electronics Engineers Inc.,  2018. 1-6.\par \par Baikova, \{E. N. \}, L. Romba, \{S. S. \} Valtchev, R. Melicio, V. \{Fern\'e3o Pires\}, A. Krusteva, and G. Gigov. "Electromagnetic field generated by a wireless energy transfer system: comparison of simulation to measurement." \i Journal of Electromagnetic Waves and Applications\i0 . 32 (2018): 554-571.\par \par Mudrov, Mikhail, Anatoliy Ziuzev, Konstantin Nesterov, and Stanimir Valtchev. "Power electrical drive Power-Hardware-in-the-Loop system: 2018 X International Conference on Electrical Power Drive Systems (ICEPDS)." \i 2018 10th International Conference on Electrical Power Drive Systems, ICEPDS 2018 - Conference Proceedings\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2018. \par \par Bensaad, Djelloul, A. Hadjadj, Achour Ales, and Stanimir Valtchev. "Identification of the Common Mode Impedance of a Microgrid DC-DC Buck Converter in Normal Service and under Insulation Fault." \i Proceedings - 2018 IEEE 18th International Conference on Power Electronics and Motion Control, PEMC 2018\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2018. 1079-1084.\par \par Bashir, \{Safia Babikir\}, \{Hasan A. \} Zidan, and Stanimir Valtchev. "An Improved Voltage Ripple Control Algorithm for Modular Multilevel Converter Based Variable Speed Drive." \i Proceedings - 2018 IEEE 18th International Conference on Power Electronics and Motion Control, PEMC 2018\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2018. 968-973.\par \par Mudrov, Mikhail, Anatoliy Ziuzev, Konstantin Nesterov, and Stanimir Valtchev. "Electric Drives Power-Hardware-in-the-Loop System Structures." \i 2018 20th European Conference on Power Electronics and Applications, EPE 2018 ECCE Europe\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2018. \par \par Baikova, \{E. N. \}, L. Romba, R. Melicio, and \{S. S. \} Valtchev. "Simulation and experiment on electric field emissions generated by wireless energy transfer." \i Technological Innovation for Resilient Systems - 9th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2018, Proceedings\i0 . Eds. \{L. M. \} Camarinha-Matos, \{K. O. \} Adu-Kankam, and M. Julashokri. IFIP Advances in Information and Communication Technology. Springer New York LLC,  2018. 243-251.\par \par Romba, L., \{E. N. \} Baikova, C. Borges, R. Melicio, and \{S. S. \} Valtchev. "Wireless battery charger for EV with circular or planar coils: comparison." \i Technological Innovation for Resilient Systems - 9th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2018, Proceedings\i0 . Eds. \{L. M. \} Camarinha-Matos, \{K. O. \} Adu-Kankam, and M. Julashokri. IFIP Advances in Information and Communication Technology. Springer New York LLC,  2018. 214-223.\par \par Mescheryakova, O., \{Viktor Nikolaevich\} Mescheryakov, and Stan Valtchev. "Perspectives and Trends of Electric Vehicle Development with Wireless Charging System." \i 1st International Conference on Infocommunications and Intelligent Transport Technologies (IITT\'b42018). Proceedings\i0 . Lipetsk State Technical University,  2018. 235-241.\par \par Cavalheiro, David Nunes, Francesc Moll, and Stanimir Valtchev. "Prospects of Tunnel \{FETs\} in the Design of Power Management Circuits for Weak Energy Harvesting \{DC\} Sources." \i \{IEEE\} Journal of the Electron Devices Society\i0 . 6 (2018): 382-391.\par \par Cavalheiro, D., F. Moll, and S. Valtchev. "Ultra-Low input power conversion circuits based on TFETs." \i Ultra-Low Input Power Conversion Circuits based on TFETs\i0  (2018): 1-171.\par \par Cavalheiro, David, Francesc Moll, and Stan Valtchev \i Ultra-Low Input Power Conversion Circuits based on Tunnel-FETs\i0 . River Publishers, 2018.\par \par Valtchev, Stan. "Wireless Energy and Low-Voltage DC Grids, Two Faces of Same Coin." \i 2018 IEEE 2nd International Electrical and Energy Conference (CIEEC)\i0 . IEEE,  2018. \par \par Mudrov, Mikhail, Anatoliy Zyuzev, Konstantin Nesterov, and Stanimir Valtchev. "FPGA-based Hardware-in-the-Loop system bits capacity evaluation based on induction motor model." \i Conference Proceedings - 2017 17th IEEE International Conference on Environment and Electrical Engineering and 2017 1st IEEE Industrial and Commercial Power Systems Europe, EEEIC / I and CPS Europe 2017\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2017. \par \par Mudrov, Mikhail, Anatoliy Zyuzev, Nesterov Konstantin, Stanimir Valtchev, and Svilen Valtchev. "Hardware-in-The-loop system numerical methods evaluation based on brush DC-motor model." \i Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2017. 428-433.\par \par Ferreira, Sofia, Stanimir Valtchev, Fernando Coito, and Mikhail Mudrov. "Mechanical vibration using piezoelectric material." \i Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2017. 681-686.\par \par Gon\'e7alves, \{Jos\'e9 Teixeira\}, \{Cristina In\'eas\} Camus, and \{Stanimir Stoyanov\} Valtchev. "Solar thermoelectric system with biomass back-up." \i Technological Innovation for Smart Systems - 8th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2017, Proceedings\i0 . IFIP Advances in Information and Communication Technology. Springer New York LLC,  2017. 358-369.\par \par Cavalheiro, David, Francesc Moll, and Stanimir Valtchev. "TFET-Based Power Management Circuit for RF Energy Harvesting." \i IEEE Journal of the Electron Devices Society\i0 . 5 (2017): 7-17.\par \par Valtchev, Stan, and Vladimir Ivashkin. "Designing the control system with relay current regulator principle for general purpose industrial AC motor drive control." \i 12th International Scientific and Practical Conference ?Modern Complex Control Systems 2017?, Proceedings\i0 . Vol. 2. Russian Academy of Sciences,  2017. 97-102.\par \par Mesherayakov, Victor, Vladimir Voekov, Vladimir Ivashkin, and Stan Valtchev. "Designing the universal vector control system with relay current regulator principle for general purpose industrial AC motor drive control." \i 12th International Scientific and Practical Conference ?Modern Complex Control Systems 2017?, Proceedings\i0 . Vol. 2. Russian Academy of Sciences,  2017. 320-330.\par \par Romba, \{L. F. \}, \{S. S. \} Valtchev, R. Melicio, \{M. V. \} Mudrov, and \{A. M. \} Ziuzev. "Electric vehicle battery charger controlled by magnetic core reactor to Wireless Power Transfer system." \i Conference Proceedings - 2017 17th IEEE International Conference on Environment and Electrical Engineering and 2017 1st IEEE Industrial and Commercial Power Systems Europe, EEEIC / I and CPS Europe 2017\i0 . United States: Institute of Electrical and Electronics Engineers Inc.,  2017. \par \par Cavalheiro, D., F. Moll, and S. Valtchev. "Insights into Tunnel FET-Based Charge Pumps and Rectifiers for Energy Harvesting Applications." \i IEEE Transactions on Very Large Scale Integration (VLSI) Systems\i0 . 25 (2017): 988-997.\par \par Romba, Luis, \{Stanimir S. \} Valtchev, and Rui Mel\'edcio. "Single-phase wireless power transfer system controlled by magnetic core reactors at transmitter and receiver." \i Technological Innovation for Smart Systems - 8th IFIP WG 5.5/SOCOLNET Advanced Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2017, Proceedings\i0 . IFIP Advances in Information and Communication Technology. Springer New York LLC,  2017. 419-428.\par \par Romba, Luis, \{Stanimir S. \} Valtchev, and Rui Mel\'edcio. "Three-phase magnetic field tested in wireless power transfer system." \i International Review of Electrical Engineering\i0 . 11 (2016): 586-597.\par \par Cavalheiro, D., F. Moll, and S. Valtchev. "A battery-less, self-sustaining RF energy harvesting circuit with TFETs for ?w power applications." \i 14th IEEE International NEWCAS Conference, NEWCAS 2016\i0  (2016).\par \par Cavalheiro, D., F. Moll, and S. Valtchev. "A comparison of TFET rectifiers for RF energy harvesting applications." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 14-19.\par \par Mesherayakov, V., V. Voekov, V. Ivashkin, and S. Valtchev. "Designing the universal vector control system with relay current regulator principle for general purpose industrial AC motor drive control." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 680-685.\par \par Romba, Luis, Stan Valtchev, and R. Melicio. "Electric Vehicle Battery Charger: Wireless Power Transfer System Controlled by Magnetic Core Reactor." \i CETC2016 - Conference on Electronics, Telecommunications and Computers, Proceedings\i0 . ISEL - Instituto Superior de Engenharia de Lisboa,  2016. \par \par Baikova, \{E. N. \}, \{L. F. \} Romba, Stan Valtchev, Rui Mel\'edcio, and V. \{Fern\'e3o Pires\}. "Electromagnetic Emissions from Wireless Power Transfer System." \i CETC2016 - Conference on Electronics, Telecommunications and Computers, Proceedings\i0 . ISEL - Instituto Superior de Engenharia de Lisboa,  2016. \par \par Valtchev, Stan. "Electromagnetic Interference from a Wireless Power Transfer System: Experimental Results." 2016. \par \par Baikova, \{E. N. \}, Stan Valtchev, and Rui Mel\'edcio. "Electromagnetic Interference from a Wireless Power Transfer System: Experimental Results." 2016. \par \par Baikova, \{E. N. \}, Stan Valtchev, and Rui Mel\'edcio. "Electromagnetic Interference from a Wireless Power Transfer System: Experimental Results." 2016. \par \par Baikova, Elena N., Stanimir S. Valtchev, Rui Mel\{\\'?\}cio, and V\{\\'?\}tor M. Pires. "Electromagnetic Interference Impact of Wireless Power Transfer System on Data Wireless Channel." \i Technological Innovation for Cyber-Physical Systems\i0 . Springer Science $\\mathplus$ Business Media,  2016. 293-301.\par \par Folgado, J., SS Valtchev, and F. Coito. "Electronic differential for electric vehicle with evenly split torque." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 1204-1209.\par \par Vassilenko, Valentina, Stan Valtchev, \{Jorge Joaquim\} Pamies-Teixeira, and Serhii Pavlov. "Energy harvesting: an interesting topic for education programs in engineering specialities." \i Proceedings of the tenth international scientific-practical conference \'abInternet-Education-Science\'bb (IES-2016)\i0 . ????,  2016. 149-156.\par \par Gigov, G., A. Krusteva, and S. Valtchev. "Experimental study of wireless inductive system for electric vehicles batteries charging." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 286-290.\par \par Jorge, L. F. R., SS Valtchev, and R. Melicio. "Improving magnetic coupling for battery charging through 3D magnetic flux." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 291-297.\par \par Braslavsky, I., I. Plotnikov, and S. Valtchev. "The mathematical modeling of alternating current electric drive with DC-DC converter and ultracapacitors." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 511-515.\par \par Brito, V., L. B. Palma, F. V. Coito, and S. Valtchev. "Modeling and supervisory control of a virtual X8-VB quadcopter." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 686-693.\par \par Braslavsky, I. Y., V. P. Metelkov, S. Valtchev, D. V. Esaulkova, A. V. Kostylev, and A. V. Kirillov. "Some aspects of the reliability increasing of the transport electric drives." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 706-710.\par \par Baikova, E. N., SS Valtchev, R. Melicio, A. Krusteva, and V. Fern\'e3o Pires. "Study of the electromagnetic interference generated by wireless power transfer systems." \i International Review of Electrical Engineering\i0 . 11 (2016): 526-534.\par \par Baikova, E. N., SS Valtchev, R. Melicio, V. F. Pires, A. Krusteva, and G. Gigov. "Study on electromagnetic emissions from wireless energy transfer." \i Proceedings - 2016 IEEE International Power Electronics and Motion Control Conference, PEMC 2016\i0  (2016): 492-497.\par \par Romba, L. F., SS Valtchev, and R. Melicio. "Three-phase magnetic field system for wireless energy transfer." \i 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2016\i0  (2016): 73-78.\par \par Romba, Luis, Stan Valtchev, and Rui Mel\'edcio. "Wireless Energy Transfer with Three-Phase Magnetic Field System: Experimental Results." 2016. \par \par Romba, Luis, Stan Valtchev, and Rui Mel\'edcio. "Wireless Energy Transfer with Three-Phase Magnetic Field System: Experimental Results." 2016. \par \par Baikova, E. N., SS Valtchev, R. Melicio, and V. F. Pires. "Wireless power transfer impact on data channel." \i 2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion, SPEEDAM 2016\i0  (2016): 582-587.\par \par Mihaylov, Kaloyan, Stanimir Valtchev, and Rumen Arnaudov. "Smart microgrid sensorless load monitoring and management in \{TN\}-S and \{TN\}-C-S electrical networks." \i 2015 International Conference on Electrical Drives and Power Electronics (\{EDPE\})\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2015. \par \par Mihaylov, Kaloyan, Stanimir Valtchev, and Rumen Arnaudov. "Sensorless load monitoring and management in electric power grid through energy harvesting." \i 2015 International Conference on Renewable Energy Research and Applications (\{ICRERA\})\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2015. \par \par Cavalheiro, David, Francesc Moll, and Stanimir Valtchev. "Pespectives of \{TFET\} devices in ultra-low power charge pumps for thermo-electric energy sources." \i 2015 \{IEEE\} International Symposium on Circuits and Systems (\{ISCAS\})\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2015. \par \par Cavalheiro, David, Francesc Moll, and Stanimir Valtchev. "Tunnel \{FET\} device characteristics for \{RF\} energy harvesting passive rectifiers." \i 2015 \{IEEE\} 13th International New Circuits and Systems Conference (\{NEWCAS\})\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2015. \par \par Cavalheiro, David, Francesc Moll, and Stanimir Valtchev. "Novel \{UHF\} Passive Rectifier with Tunnel \{FET\} Devices." \i 2015 \{IEEE\} Computer Society Annual Symposium on \{VLSI\}\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2015. \par \par Valtchev, Stanimir. "400V DC Supply Discussed Once Again, and Unavoidable (more efficient, more reliable, safer)." \i Symposium INTELEC95, Presentation and publication of article, available to authorized industry and academy participants, Zaltbommel\i0 . 2015. \par \par "400V DC Supply Discussed Once Again, and Unavoidable (more efficient, more reliable, safer)." \i Symposium INTELEC95, Presentation and publication of article, available to authorized industry and academy participants, Zaltbommel\i0 . 2015. \par \par Valtchev, Stanimir. "Investigation of the Tesla Transformer as a Device for One-Wire Power and Signaling and as a Device for Power and Signaling through the Ground." \i Advanced Doctoral Conference DOCEIS, Caparica\i0 . 2015. \par \par Mihaylov, Kaloyan, Rui Neves-Medeiros, Rumen Arnaudov, and Stanimir Valtchev. "Investigation of the Tesla Transformer as a Device for One-Wire Power and Signaling and as a Device for Power and Signaling Through the Ground." \i \{IFIP\} Advances in Information and Communication Technology\i0 . Springer Science $\\mathplus$ Business Media,  2015. 459-466.\par \par "Investigation of the Tesla Transformer as a Device for One-Wire Power and Signaling and as a Device for Power and Signaling through the Ground." \i Advanced Doctoral Conference DOCEIS, Caparica\i0 . 2015. \par \par Valtchev, Stanimir. "Novel Charge Pump Converter with Tunnel FET Devices for Ultra-Low Power Energy Harvesting Sources." \i MWSCAS, Fort Collins, Colorado\i0 . 2015. \par \par Valtchev, Stanimir. "Resonant Power Converters in Contactless Energy Transfer: Electric Vehicle and Renewable Energy Processing, Invited Speech." \i XVIth International Scientific Technical Conference Alternating Current Electric Drives (ACED), pp. 195-200\i0 . 2015. \par \par "Resonant Power Converters in Contactless Energy Transfer: Electric Vehicle and Renewable Energy Processing, Invited Speech." \i XVIth International Scientific Technical Conference Alternating Current Electric Drives (ACED), pp. 195-200\i0 . 2015. \par \par Valtchev, Stanimir. "Resonant Power Converters in Electromagnetic Energy Transfer, Invited Speech." \i 12th International Conference on Applied Electromagnetics \\cyrchar\\CYRP\\cyrchar\\CYRE\\cyrchar\\CYRS 2015, proceedings pp. 103-108\i0 . 2015. \par \par "Resonant Power Converters in Electromagnetic Energy Transfer, Invited Speech." \i 12th International Conference on Applied Electromagnetics ??? 2015, proceedings pp. 103-108\i0 . 2015. \par \par Habibullin, Maksim, Vladimir Pikalov, Viktor Mescheryakov, and Stanimir Valtchev. "Active power filter with common \{DC\} link for compensation of harmonic distortion in power grids." \i 2014 16th International Power Electronics and Motion Control Conference and Exposition\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2014. \par \par Valtchev, Stanimir, Joana Almeida, Jorge P. Teixeira, and Ben J. Klaassens. "Conversion of wind-induced vibrations into electricity." \i 2014 \{IEEE\} 36th International Telecommunications Energy Conference (\{INTELEC\})\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2014. \par \par Mihaylov, Kaloyan, Rumen Arnaudov, and Stanimir Valtchev. "Energy harvesting from the voltage drop in \{TN\}-S, \{TN\}-C-S and other consumer electric networks." \i 2014 16th International Power Electronics and Motion Control Conference and Exposition\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2014. \par \par Valtchev, Stanimir, Rui Neves-Medeiros, Anastassia Krusteva, George Gigov, and Plamen Avramov. "A wireless energy transceiver based on induction heating equipment." \i 2014 16th International Power Electronics and Motion Control Conference and Exposition\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2014. \par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Perspectives of Tunnel FET (TFET) in Ultra-Low- Power Analog-Circuit design." \i Proceedings of the XVIII Conference on the Design of Circuits and Integrated Systems Donostia - San Sebasti\'e1n, Nov. 2013\i0 . 2014. 152-157.\par \par Valtchev, Stanimir. "The Active Power Filter with Relay Current Regulator and a Common DC Link for Compensation of Harmonic Distortion in Power Networks." \i DOCEIS\{'\}14 Conference\i0 . 2014. \par \par "The Active Power Filter with Relay Current Regulator and a Common DC Link for Compensation of Harmonic Distortion in Power Networks." \i DOCEIS\'b414 Conference\i0 . 2014. \par \par Habibullin, Maksim Maratovich, Igor Sergeevich Pavlov, Viktor Nikolaevich Mescheryakov, and Stanimir Valtchev. "Active Power Filter with Relay Current Regulator and Common \{DC\} Link for Compensation of Harmonic Distortion in Power Grids." \i Technological Innovation for Collective Awareness Systems\i0 . Springer Science $\\mathplus$ Business Media,  2014. 427-434.\par \par Valtchev, Stanimir. "Experimental study on induction heating equipment applied in wireless energy transfer for smart grids." \i DOCEIS\{'\}14 Conference, Caparica,\i0 . 2014. \par \par Valtchev, Stanimir \i Experimental study on induction heating equipment applied in wireless energy transfer for smart grids\i0 . IFIP Advances in Information and Communication Technology., 2014.\par \par "Experimental study on induction heating equipment applied in wireless energy transfer for smart grids." \i DOCEIS\'b414 Conference, Caparica,\i0 . 2014. \par \par Valtchev, Stanimir. "Regulation and Command Systems in Power Converters, Especially The Resonant (and Wireless Energy) Converters, Key-note Speech." \i 12th International Conference on Development and Application Systems (DAS), Suceava\i0 . 2014. \par \par "Regulation and Command Systems in Power Converters, Especially The Resonant (and Wireless Energy) Converters, Key-note Speech." \i 12th International Conference on Development and Application Systems (DAS), Suceava\i0 . 2014. \par \par Valtchev, Stanimir. "Renewable Energy + Telecommunications = Smart Grid." \i Symposium INTELEC95, Presentation and on-line publication of article, available to authorized industry and academy participants\i0 . 2014. \par \par "Renewable Energy + Telecommunications = Smart Grid." \i Symposium INTELEC95, Presentation and on-line publication of article, available to authorized industry and academy participants\i0 . 2014. \par \par Valtchev, Stanimir. "Renewable Energy and Telecommunications in Smart Grid." \i EU Joint Research Centre (JRC) Workshop on Costs, Benefits and Impact Assessment of Smart Grids for Europe and Beyond, Antalya\i0 . 2014. \par \par "Renewable Energy and Telecommunications in Smart Grid." \i EU Joint Research Centre (JRC) Workshop on Costs, Benefits and Impact Assessment of Smart Grids for Europe and Beyond, Antalya\i0 . 2014. \par \par Valtchev, Stanimir. "Resonant Power Conversion through a Saturable Reactor." \i DOCEIS\{'\}14 Conference, Caparica\i0 . 2014. \par \par Jorge, Luis, Stanimir Valtchev, and Fernando Coito. "Resonant Power Conversion through a Saturable Reactor." \i Technological Innovation for Collective Awareness Systems\i0 . Springer Science $\\mathplus$ Business Media,  2014. 461-469.\par \par "Resonant Power Conversion through a Saturable Reactor." \i DOCEIS\'b414 Conference, Caparica\i0 . 2014. \par \par Valtchev, Stanimir. "Tracking a mobile robot position using vision and inertial sensor." \i DOCEIS\{'\}14 Conference, Caparica\i0 . 2014. \par \par Coito, Francisco, Ant\'f3nio Eleut\'e9rio, Stanimir Valtchev, and Fernando Coito. "Tracking a Mobile Robot Position Using Vision and Inertial Sensor." \i Technological Innovation for Collective Awareness Systems\i0 . Springer Science $\\mathplus$ Business Media,  2014. 201-208.\par \par "Tracking a mobile robot position using vision and inertial sensor." \i DOCEIS\'b414 Conference, Caparica\i0 . 2014. \par \par Valtchev, Stanimir. "HV DC as the Next Generation Telecom Power Supply." \i Symposium INTELEC\{'\}95\i0 . 2013. \par \par "HV DC as the Next Generation Telecom Power Supply." \i Symposium INTELEC'95\i0 . 2013. \par \par Valtchev, Stanimir. "Perspectives of Tunnel FET (TFET) in the Ultra-Low-Power Analog-Circuit design." \i Proceedings 28th Conference DCIS\i0 . 2013. \par \par "Perspectives of Tunnel FET (TFET) in the Ultra-Low-Power Analog-Circuit design." \i Proceedings 28th Conference DCIS\i0 . 2013. \par \par Valtchev, Stanimir. "Study of a single-phase series active power filter with hysteresis control." \i Journal of Energy and Power Engineering\i0  (2013).\par \par "Study of a single-phase series active power filter with hysteresis control." \i Journal of Energy and Power Engineering\i0  (2013).\par \par \i R&D of an thermoelectric system - An innovative Linear Fresnel Reflector\i0 ., 2012.\par \par \i Survey on EV electrical drive train with induction motor\i0 ., 2012.\par \par Valtchev, \{Stanimir Stoyanov\}, and \{Jorge Joaquim\} Pamies-Teixeira. "Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i Proceedings of the European Politechnical University\i0 . 1 (2012): 78-82.\par \par Vassilenko, Valentina, \{Stanimir Stoyanov\} Valtchev, and \{Jorge Joaquim\} Pamies-Teixeira. "Energy Harvesting and the Human Health." \i Education Science Inovations\i0 . Vol. 1. 2012. 451-460.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "High frequency wireless energy for improving the EV autonomy." \i International Symposium on Electric Vehicle and 4-th Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2012. 6.\par \par Valtchev, \{Stanimir Stoyanov\}, \{Jorge Joaquim\} Pamies-Teixeira, \{Rosa Maria Mendes\} Miranda, \{Telmo Jorge Gomes dos\} Santos, and DEE Group Author. "New Methodology for Structural Health Monitoring of GLARE in Ships." \i Proceedings ICEM15\i0 . 2012. 1-8.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "R&D of an thermoelectric system - An innovative Linear Fresnel Reflector." \i MATCHMAKING RESEARCH Conference\i0 . 2012. 1-5.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Survey on EV electrical drive train with induction motor." \i International Symposium on Electric Vehicles\i0 . 2012. 1-5.\par \par Valtchev, Stanimir. "Actions for Broadening the Engineering Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i Proceedings of the International conference of the European Polytechnical University\i0  (2012).\par \par "Actions for Broadening the Engineering Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i Proceedings of the International conference of the European Polytechnical University\i0  (2012).\par \par Valtchev, Stanimir. "The Efficient and Stable Charging of Electric Vehicle Batteries: Simplified Instantaneous Regulation." \i DoCEIS 2012, Caparica\i0 . 2012. \par \par "The Efficient and Stable Charging of Electric Vehicle Batteries: Simplified Instantaneous Regulation." \i DoCEIS 2012, Caparica\i0 . 2012. \par \par Medeiros, R., S. Valtchev, and S. Valtchev. "The efficient and stable charging of electric vehicle batteries: Simplified instantaneous regulation." \i IFIP Advances in Information and Communication Technology\i0 . 372 AICT (2012): 363-374.\par \par Valtchev, Stanimir, Elena Baikova, and Luis Jorge. "Electromagnetic field as the wireless transporter of energy." \i Facta universitatis - series: Electronics and Energetics\i0 . 25 (2012): 171-181.\par \par Cavalheiro, D., A. C. Silva, S. Valtchev, JP Teixeira, and V. Vassilenko. "Energy harvested from respiratory effort." \i BIODEVICES 2012 - Proceedings of the International Conference on Biomedical Electronics and Devices\i0  (2012): 388-392.\par \par Cavalheiro, D., A. C. Silva, S. Valtchev, JP Teixeira, and V. Vassilenko. "Energy harvested from respiratory effort." \i BIODEVICES 2012 - Proceedings of the International Conference on Biomedical Electronics and Devices\i0  (2012): 388-392.\par \par Valtchev, Stanimir. "Energy Harvesting and the Human Health." \i Proceedings of the International conference of the European Polytechnical University\i0  (2012).\par \par "Energy Harvesting and the Human Health." \i Proceedings of the International conference of the European Polytechnical University\i0  (2012).\par \par Valtchev, S., and S. Valtchev. "Experimental study of the energy portions control in Series Resonant Converters." \i Proceedings of the International Conference on Optimisation of Electrical and Electronic Equipment, OPTIM\i0  (2012): 827-832.\par \par Valtchev, Stanimir. "High frequency wireless energy for improving the EV autonomy." \i International Symposium on Electric Vehicle and 4-th Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2012. \par \par "High frequency wireless energy for improving the EV autonomy." \i International Symposium on Electric Vehicle and 4-th Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2012. \par \par Matos Filipe, L., T. G. Santos, S. Valtchev, J. Pamies Teixeira, and R. M. Miranda. "New method employing the electrical impedance for monitoring mechanical damage evolution in glass-reinforced: Applications to riveted joints." \i Materials and Design\i0 . 42 (2012): 25-31.\par \par Valtchev, Stanimir. "New Methodology for Structural Health Monitoring of GLARE in Ships." \i 15th International Conference on Experimental Mechanics (ICEM15), Porto\i0 . 2012. \par \par "New Methodology for Structural Health Monitoring of GLARE in Ships." \i 15th International Conference on Experimental Mechanics (ICEM15), Porto\i0 . 2012. \par \par Valtchev, Stanimir. "R&D of an thermoelectric system - An innovative Linear Fresnel Reflector." \i MATCHMAKING RESEARCH Conference\i0 . 2012. \par \par Valtchev, Stanimir. "Survey on EV electrical drive train with induction motor." \i International Symposium on Electric Vehicle and 4-th Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2012. \par \par Antchev, Mihail Hr., Mariya P. Petkova, Hristo M. Antchev, Vanjo T. Gourgoulitsov, and Stanimir S. Valtchev. "Study of a single-phase series active power filter with hysteresis control." \i 11th International Conference on Electrical Power Quality and Utilisation\i0 . Institute of Electrical \{&\} Electronics Engineers (\{IEEE\}),  2011. \par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Actions for Broadening the Engineering Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i Proceedings of the First International Conference of the European Polytechnical University\i0 . 2011. 78-82.\par \par Valtchev, \{Stanimir Stoyanov\}. "Electromagnetic Field as Wireless Transporter of Energy." \i PES 2011: Proceedings of extended abstracts\i0 . Vol. NA. 2011. 143-144.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Energy Harvesting and the Human Health." \i Proceedings of the First International Conference of the European Polytechnical University\i0 . 2011. 451-460.\par \par Valtchev, \{Stanimir Stoyanov\}. "The Energy That's Around." \i Conference ?Millennium Development Goals?, IEEE Student Branch, 21st March 2011\i0 . 2011. ?.\par \par Valtchev, \{Stanimir Stoyanov\}, \{Jorge Joaquim\} Pamies-Teixeira, and DEE Group Author \i High Level Education Through Research Training Networks: A Potential StrategyTo Build Knowledge In EV/HEV\i0 . Vol. NA., 2011.\par \par Valtchev, \{Stanimir Stoyanov\} \i Study on Contactless Power Transmission Methods\i0 . Vol. NA., 2011.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "An UHF Wireless Power Harvesting System - Analysis and Design." \i PES 2011: Proceedings of extended abstracts\i0 . 2011. 141-142.\par \par Valtchev, Stanimir. "Actions for Broadening the Engineering Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i First Conference with International Participation \{"\}Education, Science, Innovations\{"\}, Pernik, Proceedings of ESI?2011, pp. 78-82\i0 . 2011. \par \par "Actions for Broadening the Engineering Culture of the European Student with an Insight to the Future Needs of the Global (European) Labour Market." \i First Conference with International Participation "Education, Science, Innovations", Pernik, Proceedings of ESI?2011, pp. 78-82\i0 . 2011. \par \par Valtchev, Stanimir. "The Efficient and Stable Charging of Electric Vehicle Batteries: Simplified Instantaneous Regulation." \i International Symposium on Electric Vehicles ISEV2011, presentation 03084, Beijing\i0 . 2011. \par \par Valtchev, \{Stanimir Stoyanov\}, and Rui Neves-Medeiros. "The Efficient and Stable Charging of Electric Vehicle Batteries: Simplified Instantaneous Regulation." 2011. \par \par Valtchev, Stanimir. "Electromagnetic Field as Wireless Transporter of Energy." \i 10th International Conference on Applied Electromagnetics (\\cyrchar\\CYRP\\cyrchar\\CYRE\\cyrchar\\CYRS Conference)\i0 . 2011. \par \par Valtchev, Stanimir. "Energy Harvesting and the Human Health." \i First Conference with International Participation \{"\}Education, Science, Innovations\{"\} Proceedings of ESI?2011, pp. 451-460\i0 . 2011. \par \par Valtchev, Stanimir. "The Energy That?s Around." \i \{Conference ?Millennium Development Goals?\i0 . 2011. \par \par Valtchev, Stanimir. "High Level Education Through Research Training Networks: A Potential Strategy To Build Knowledge In EV/HEV." \i International Symposium on Electric Vehicles ISEV2011, keynote speech, Beijing\i0 . 2011. \par \par Valtchev, S., R. Medeiros, S. Valtchev, and B. Klaassens. "An instantaneous regulation for the wired and wireless super-resonant converters." \i INTELEC, International Telecommunications Energy Conference (Proceedings)\i0  (2011).\par \par Valtchev, Stanimir. "Medium concentration system HSUN: demonstration results and application of diverse silicon cells." \i 26th European Photovoltaic Solar Energy Conference and Exhibition (PVSEC)\i0 . 2011. \par \par Valtchev, Stanimir. "Pre-Certification of HSUN\\textregistered Module According To IEC 62108." \i 26th European Photovoltaic Solar Energy Conference and Exhibition (PVSEC)\i0 . 2011. \par \par Valtchev, Stanimir. "Study on Contactless Power Transmission Methods." \i DoCEIS Conference\i0 . 2011. \par \par Todorov, G., T. Todorov, I. Ivanov, S. Valtchev, and B. Klaassens. "Tuning techniques for kinetic MEMS energy harvesters." \i INTELEC, International Telecommunications Energy Conference (Proceedings)\i0  (2011).\par \par Valtchev, Stanimir. "An UHF Wireless Power Harvesting System ? Analysis and Design." \i International Journal of Emerging Sciences (IJES)\i0  (2011).\par \par Valtchev, Stanimir. "An UHF Wireless Power Harvesting System ? Analysis and Design." \i 10th International Conference on Applied Electromagnetics (\\cyrchar\\CYRP\\cyrchar\\CYRE\\cyrchar\\CYRS Conference)\i0 . 2011. \par \par "An UHF Wireless Power Harvesting System ? Analysis and Design." \i International Journal of Emerging Sciences (IJES)\i0  (2011).\par \par Valtchev, Stanimir, and Jorge Pamies Teixeira. "The Charging of Hybrid and Electrical Vehicles? Batteries: Contactless Energy Transfer as the key to the future." \i 2010 International Symposium on Electric Vehicle and 2-nd Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2010. \par \par Valtchev, Stanimir, and Svilen Valtchev. "Improved strategy for an instantaneous super-resonant converter regulation." \i 12th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM)\i0 . 2010. 631-638.\par \par Teixeira, Jorge Pamies, and Stanimir Valtchev. "An Insight to Potential Actions Facing Future Needs of Electric and Hybrid Electric Vehicles." \i 2010 International Symposium on Electric Vehicle and 2-nd Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2010. \par \par Valtchev, Stanimir. "Resonant power conversion in contactless battery charging for Electric Vehicle ? Hybrid Electric Vehicle." \i 2010 International Symposium on Electric Vehicle and 2-nd Annual Conference of Polish Society for Environment Friendly Vehicles\i0 . 2010. \par \par Bonif\'e1cio, Paulo \i Seguidor fotovoltaico: uma varia\'e7\'e3o do P&O - Simula\'e7\'e3o e Prototipagem\i0 . Eds. Stanimir Valtchev. FCT-UNL, 2010.\par \par Valtchev, Stanimir \i Resonant Effects Applied in Power Conversion for Contactless Energy Transfer\i0 . Seminar on Resonant Processes and Contactless Energy., 2010.\par \par Valtchev, Stanimir. "Resonant Effects Applied in Power Conversion for Contactless Energy Transfer and Energy Harvesting." \i Invited Seminar (Lecture) of S. Valtchev\i0 . 2010. \par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "The Charging of Hybrid and Electrical Vehicles? Batteries: Contactless Energy Transfer as the key to the future." \i -\i0 . 2010. ?.\par \par Valtchev, \{Stanimir Stoyanov\}, \{Jorge Joaquim\} Pamies-Teixeira, and DEE Group Author. "An Insight to Potential Actions Facing Future Needs of Electric and Hybrid Electric Vehicles." \i -\i0 . 2010. ?.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Resonant Effects Applied in Power Conversion for Contactless Energy Transfer and Energy Harvesting." \i -\i0 . 2010. ?.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Resonant power conversion in contactless battery charging for Electric Vehicle / Hybrid Electric Vehicle." \i -\i0 . 2010. ?.\par \par Valtchev, S., and S. Valtchev. "Improved strategy for an instantaneous super-resonant converter regulation." \i Proceedings of the International Conference on Optimisation of Electrical and Electronic Equipment, OPTIM\i0  (2010): 631-638.\par \par Valtchev, Stanimir \i Battery chargers and battery management for the future electric vehicles\i0 . Cooperation work between S. Valtchev and TU Delft., 2009.\par \par Valtchev, Stanimir, Rosen Miletiev, Rumen Arnaoudov, and Svilen Valtchev. "Control strategy for efficient operation of super-resonant SLSR (contactless) converters." \i XLIV INTERNATIONAL SCIENTIFIC CONFERENCE ON INFORMATION, COMMUNICATION AND ENERGY SYSTEMS AND TECHNOLOGIES (before 1990 was: "Day of the Radio Conference")\i0 . 2009. 527-530.\par \par Sousa, Pedro \i Accionamento de um Motor Passo a Passo com Velocidade e Direc\'e7\'e3o Controladas e com Bin\'e1rio de Arranque Aumentado\i0 . Eds. Stanimir Valtchev, and M\'e1rio Neves. FCT-UNL, 2009.\par \par Valtchev, \{Stanimir Stoyanov\}, and DEE Group Author. "Control strategy for efficient operation of super-resonant SLSR (contactless) converters." \i -\i0 . 2009. 527-530.\par \par Gon\'e7alves Pronto, A. "Analysis of magnetic properties of steels used in HTS transformers? cores at cryogenic and room temperature." 2009. \par \par Valtchev, Stanimir. "Control strategy for efficient operation of super-resonant SLSR (contactless) converters." \i Proceedings of ICEST\{'\}09, V. Turnovo, pp. 527-530\i0 . 2009. \par \par In\'e1cio, D., J. A. In\'e1cio, J. Pina, S. Valtchev, M. Neves, J. Martins, and A. Rodrigues. "Conventional and HTS Disc motor with pole variation control." \i 2nd International Conference on Power Engineering, Energy and Electrical Drives (POWERENG'2009)\i0 . 2009. 513-518.\par \par In\'e1cio, D., S. In\'e1cio, J. Pina, S. Valtchev, M. V. Neves, J. F. A. Martins, and A. L. Rodrigues. "Conventional and HTS disc motor with pole variation control." \i POWERENG 2009 - 2nd International Conference on Power Engineering, Energy and Electrical Drives Proceedings\i0  (2009): 513-518.\par \par Sousa, P., Stanimir Valtchev, M\'e1rio Neves, and A. Rodrigues. "A New Open-Loop Control Method for Stepping Motor Driving." \i 2nd International Conference on Power Engineering, Energy and Electrical Drives (POWERENG'2009)\i0 . 2009. 605-610.\par \par Sousa, P., S. Valtchev, M. V. Neves, and A. L. Rodrigues. "A new open-loop control method for stepping motor driving." \i POWERENG 2009 - 2nd International Conference on Power Engineering, Energy and Electrical Drives Proceedings\i0  (2009): 605-610.\par \par Valtchev, Stanimir, Beatriz Borges, Kostadin Brandisky, and Ben J. Klaassens. "Resonant Contactless Energy Transfer With Improved Efficiency." \i IEEE Transactions on Power Electronics\i0 . 24 (2009): 685-699.\par \par Valtchev, S., B. Borges, K. Brandisky, and JB Klaassens. "Resonant contactless energy transfer with improved efficiency." \i IEEE Transactions on Power Electronics\i0 . 24 (2009): 685-699.\par \par In\'e1cio, Steve \i Projecto de uma caixa de velocidades el\'e9ctrica por meio da varia\'e7\'e3o do n\'famero de p\'f3los para motores em disco de rotor em alum\'ednio e em materiais supercondutores de alta temperatura (SAT)\i0 . Eds. M\'e1rio Neves, Jo\'e3o Pina, and Stanimir Valtchev. FCT-UNL, 2008.\par \par Valtchev, Stanimir \i Contactless Power Transfer\i0 . Seminar of S.Valtchev on Contactless Power Transfer., 2008.\par \par Valtchev, Stanimir \i Series Resonant Power Converter for Contactless Energy Transfer with Improved Efficiency\i0 . Eds. Beatriz Borges, and Ben J. Klaassens. UTL-IST (Portugal), TU Delft (the Netherlands), 2008.\par \par In\'e1cio, S., D. In\'e1cio, J. M. Pina, Stanimir Valtchev, M. V. Neves, and A. L. Rodrigues. "An electrical gearbox by means of pole variation for induction and superconducting disc motor." \i Journal of Physics: Conference Series\i0 . 97 (2008): 012221.\par \par In\'e1cio, S., D. In\'e1cio, J. M. Pina, S. Valtchev, M. V. Neves, and A. L. Rodrigues. "An electrical gearbox by means of pole variation for induction and superconducting disc motor." \i Journal of Physics: Conference Series\i0 . 97 (2008).\par \par Pereira, P., S. Valtchev, J. Pina, A. Gon\'e7alves, Ventim M. Neves, and A. L. Rodrigues. "Power electronics performance in cryogenic environment: evaluation for use in HTS power devices." \i Journal of Physics: Conference Series\i0 . 97 (2008): 012219.\par \par Pereira, P., S. Valtchev, J. Pina, A. Gon?alves, M. V. Neves, and A. L. Rodrigues. "Power electronics performance in cryogenic environment: Evaluation for use in HTS power devices." \i Journal of Physics: Conference Series\i0 . 97 (2008).\par \par Pina, J., P. Pereira, S. Valtchev, A. Gon\'e7alves, Ventim M. Neves, A. Alvarez, and L. Rodrigues. "A test rig for thrust force measurements of an all HTS linear synchronous motor." \i Journal of Physics: Conference Series\i0 . 97 (2008): 012220.\par \par Pina, J., P. Pereira, S. Valtchev, A. Gon?alves, M. V. Neves, A. Alvarez, and L. Rodrigues. "A test rig for thrust force measurements of an all HTS linear synchronous motor." \i Journal of Physics: Conference Series\i0 . 97 (2008).\par \par Pereira, Pedro, S. Valtchev, Jo\'e3o Pina, Anabela Gon\'e7alves, M\'e1rio Neves, and Amadeu Rodrigues. "Power Electronics Performance in Cryogenic Environment: Evaluation for Use in HTS Power Devices." \i 8th European Conference on Applied Superconductivity (EUCAS)\i0 . 2007. \par \par In\'e1cio, S., D. In\'e1cio, J. Pina, S. Valtchev, Ventim M. Neves, and A. Rodrigues. "An Electrical Gearbox by means of pole variation for induction and superconducting disc motor." \i 8th European Conference on Applied Superconductivity (EUCAS)\i0 . 2007. \par \par Pina, Jo\'e3o, C. Caracaleanu, A. Gon\'e7alves, Pedro Pereira, S. Valtchev, M\'e1rio Neves, and A. Rodrigues. "High Performance, Environment Friendly, Modular and Fault Tolerant Renewable Energy Microgrid." \i 12th International Energy Conference & Exhibition (ENERGEX2007)\i0 . 2007. \par \par Pina, Jo\'e3o, Pedro Pereira, S. Valtchev, A. Gon\'e7alves, M\'e1rio Neves, and A. Rodrigues. "A test rig for thrust force measurements f an all HTS linear synchronous motor." \i 8th European Conference on Applied Superconductivity (EUCAS)\i0 . 2007. \par \par Steve, In\'e1cio, Jo\'e3o Pina, Stanimir Valtchev, M\'e1rio Neves, and Amadeu Rodrigues. "Topology of an Electrical Gearbox with Variable Poles for Induction and Superconducting Disc Motors." \i X Portuguese-Spanish Congress in Electrical Engineering\i0 . 2007. \par \par Valtchev, Stanimir, Kostadin Brandisky, Beatriz Borges, and Ben J. Klaassens. "Efficient Resonant Inductive Coupling Energy Transfer Using New Magnetic and Design Criteria." \i IEEE 36th Power Electronics Specialists Conference, PESC '05\i0 . 2005. 1293-1298.\par \par Valtchev, S., BV Borges, K. Brandisky, and JB Klaassens. "Efficient resonant inductive coupling energy transfer using new magnetic and design criteria." \i PESC Record - IEEE Annual Power Electronics Specialists Conference\i0 . 2005 (2005): 1293-1298.\par \par Valtchev, Stanimir, Kostadin Brandisky, Beatriz Borges, and Ben J. Klaassens. "Magnetic and Design Criteria for Inductive Coupling Energy Transfer." \i 5th Conference on Telecommunications CONFTELE\i0 . 2005. \par \par Valtchev, Stanimir. "Magnetic and Design Criteria for Inductive Coupling Energy Transfer." \i Conference on Telecommunications CONFTELE, , Proceedings ISBN 972?98115?9?8, paper Cr1107, Tomar\i0 . 2005. \par \par Valtchev, Stanimir, Beatriz Borges, and Ben J. Klaassens. "Contactless Energy Transmission with Optimal Efficiency." \i IEEE 28th Annual Conference of the Industrial Electronics Society IECON 02\i0 . 2002. 1330-1335.\par \par Valtchev, S., BV Borges, and JB Klaassens. "Contactless energy transmission with optimal efficiency." \i IECON Proceedings (Industrial Electronics Conference)\i0 . 2 (2002): 1330-1335.\par \par Valtchev, Stanimir, Beatriz Borges, and Ben J. Klaassens. "Series Resonant Converter Applied to Contactless Energy Transmission." \i 3rd Conference on Telecommunications CONFTELE\i0 . 2001. 474-478.\par \par Volsky, S., Elena Lomonova, Ben J. Klaassens, and Stanimir Valtchev. "A Basic Computer?Aided Course on Dynamic Processes in Mechatronic Systems for Aeronautical Engineers." \i 9th Annual Conference of the European Association for Education in Electrical and Information Engineering (EAEEIE)\i0 . 1998. 293-298.\par \par Valtchev, Stanimir. "A Basic Computer?Aided Course on Dynamic Processes in Mechatronic Systems for Aeronautical Engineers." \i European Association for Education in Electrical and Information Engineering (EAEEIE) 9th Annual Conference, Lisbon\i0 . 1998. \par \par vanWesenbeeck, MPN, JB Klaassens, U. vonStockhausen, AMD Anciola, and SS Valtchev. "A multiple-switch high-voltage DC-DC converter." \i IEEE Transactions on Industrial Electronics\i0 . IE-44 (1997): 780-787.\par \par Beirante, J., Beatriz Borges, and Stanimir Valtchev. "An\'e1lise Te\'f3rica, Simula\'e7\'e3o, Optimiza\'e7\'e3o e Caracteriza\'e7\'e3o Experimental do Conversor CC?CC em Ponte Completa, com Modula\'e7\'e3o de Fase, Comuta\'e7\'e3o no Zero da Tens\'e3o e Bobina de Coeficiente de Auto?indu\'e7\'e3o Vari\'e1vel." \i Ia Conferencia de Telecomunica\'e7\'f5es CONFTELE\i0 . 1997. 471-474.\par \par Beirante, J., Beatriz Borges, and Stanimir Valtchev. "Design Improvement and Experimental Characterization of the Full Bridge, Faze Shift, Zero Voltage Switched DC?DC Converter with Secondary Clamped Inductor." \i European Power Electronics Conference EPE?97\i0 . 1997. 4.448-4.453.\par \par Valtchev, Stanimir \i IEEE Meritorious Paper Award for 1996\i0 ., 1997.\par \par vanWesenbeeck, MPN, JB Klaassens, U. vonStockhausen, A. Mu\'f1oz De Morales Anciola, and SS Valtchev. "A multiple-switch high-voltage dc-dc converter." \i IEEE Transactions on Industrial Electronics\i0 . 44 (1997): 780-787.\par \par Valtchev, S., BV Borges, and V. Anunciada. "LkW?250 kHz full bridge zero voltage switched phase shift DC-DC converter with improved efficiency." \i 17th International Telecommunications Energy Conference, INTELEC '95\i0 . 1995. 803-807.\par \par vanWesenbeeck, MPN, JB Klaassens, U. vonStockhausen, AMD Anc\'edola, and SS Valtchev. "A multiple-switch high-voltage DC-DC converter." \i 17th Telecommunications Energy Conference, INTELEC '95\i0 . 1995. 322-329.\par \par Valtchev, Stanimir, and Beatriz Borges. "Improved Full?Bridge Zero?Voltage?Switched Phase?Shift DC?DC Converter Using a Secondary?Clamped Inductor." \i Proceedings of the 1995 IEEE Industrial Electronics, Control, and Instrumentation IECON 21st International Conference\i0 . 1995. 258-264.\par \par Valtchev, Stanimir, Ben J. Klaassens, and Marinus van Wesenbeeck. "Super?Resonant Converter with Switched Resonant Inductor with PFM?PWM Control,." \i IEEE Transactions on Power Electronics\i0 . 10 (1995): 760-765.\par \par Valtchev, Stanimir \i Super-resonant power converter operation in soft-switching mode\i0 . Seminar of S.Valtchev on the new PhD thesis chapter., 1995.\par \par Valtchev, Stanimir, Beatriz V. Borges, and Victor Anunciada. "1 kW/250 kHz full bridge zero voltage switched phase shift DC-DC converter with improved efficiency." \i INTELEC, International Telecommunications Energy Conference (Proceedings)\i0  (1995): 803-807.\par \par Valtchev, Stanimir, Beatriz V. Borges, and Victor Anunciada. "1 kW/250 kHz full bridge zero voltage switched phase shift DC-DC converter with improved efficiency." \i INTELEC, International Telecommunications Energy Conference (Proceedings)\i0  (1995): 803-807.\par \par Valtchev, Stanimir, and Beatriz V. Borges. "Improved full bridge zero voltage switched phase shift DC/DC converter using a secondary clamped inductor." \i IECON Proceedings (Industrial Electronics Conference)\i0 . 1 (1995): 258-264.\par \par Valtchev, Stanimir, and Beatriz V. Borges. "Improved full bridge zero voltage switched phase shift DC/DC converter using a secondary clamped inductor." \i IECON Proceedings (Industrial Electronics Conference)\i0 . 1 (1995): 258-264.\par \par Valtchev, S., \{B. V. \} Borges, and V. Anunciada. "LkW/250 kHz full bridge zero voltage switched phase shift DC-DC converter with improved efficiency." \i INTELEC 95 - SEVENTEENTH INTERNATIONAL TELECOMMUNICATIONS ENERGY CONFERENCE\i0 . IEEE,  1995. 803-807.\par \par vanWesenbeeck, MPN, JB Klaassens, U. vonStockhausen, A. Munoz de Morales Anciola, and SS Valtchev. "Multiple switch high-voltage DC-DC converter." \i INTELEC, International Telecommunications Energy Conference (Proceedings)\i0  (1995): 322-329.\par \par Valtchev, SS, and M. P. van Wesenbeeck. "Super-Resonant Converter with Switched Resonant Inductor with PFM-PWM Control." \i IEEE Transactions on Power Electronics\i0 . 10 (1995): 760-765.\par \par Wahjudi, Andre \i Modelvorming en simulatie van een super-resonante converter met een hoogspanningstransformator\i0 . Eds. Ben J. Klaassens, Stanimir Valtchev, and MPN vanWesenbeeck. TU Delft, 1993.\par \par Valtchev, Stanimir. "High Efficiency Resonant Power Conversion." \i High Efficiency Resonant Power Conversion\i0 . 1992. \par \par Valtchev, Stanimir. "Some Regulation Characteristics of Pulse?Width Modulated Series Resonant Power Conversion." \i 6th Conference on Power Electronics and Motion Control PEMC'90\i0 . 1990. 83-87.\par \par Valtchev, Stanimir, and Ben J. Klaassens. "Efficient Resonant Power Conversion." \i IEEE Transactions on Industrial Electronics\i0 . 37 (1990): 490-495.\par \par Valtchev, SS, and JB Klaassens. "Efficient Resonant Power Conversion." \i IEEE Transactions on Industrial Electronics\i0 . 37 (1990): 490-495.\par \par Valtchev, Stanimir, and Ben J. Klaassens. "High Efficiency Resonant Power Conversion." \i 1st USSR Conference (with international participation) of Power Electronics Systems and Low?Power Converters Equipment (SES i UMPT)\i0 . 1990. \par \par Valtchev, Stanimir. "High Efficiency Resonant Power Conversion." \i 1st USSR Conference (with international participation) of Power Electronics Systems and Low?Power Converters Equipment (SES i UMPT), Alma?Ata, USSR\i0 . 1990. \par \par Valtchev, Stanimir. "Some Regulation Characteristics of Pulse?Width Modulated Series Resonant Power Conversion." \i 6th Conference PEMC\{'\}90, pp. 83?87, Budapest\i0 . 1990. \par \par Tatzov, Alexander, D. Dimitrov, T. Borisov, R. Botchev, P. Pashov, P. Petrov, D. Petrov, and Stanimir Valtchev. "Equipment for Measuring the Road?Tyre Cohesion." \i 6th National Congress of Mechanics\i0 . 1989. \par \par Valtchev, Stanimir. "Some Properties of the Transistor Series Resonant Power Convertors." \i The Day of the Radio Conference\i0 . 1989. \par \par Valtchev, Stanimir. "Equipment for Measuring the Road?Tyre Cohesion." \i 6th National Congress of Mechanics, Varna\i0 . 1989. \par \par Valtchev, Stanimir. "Some Properties of the Transistor Series Resonant Power Convertors." \i The Day of the Radio Conference, 5?6 May 1989, Sofia\i0 . 1989. \par \par "Some Properties of the Transistor Series Resonant Power Convertors." \i The Day of the Radio Conference, 5?6 May 1989, Sofia\i0 . 1989. \par \par Valtchev, Stanimir, and Georgi Krustev. "Behavior of the Series Resonant Energy Converter at Frequencies Differing from the Resonant One." \i The Day of the Radio Conference\i0 . 1988. \par \par Valtchev, Stanimir, and Georgi Krustev. "Experimental Results of the MOS Transistor Series Resonant Energy Converter Exploration." \i The Day of the Radio Conference\i0 . 1988. \par \par Valtchev, Stanimir, Georgi Krustev, and Evgeni Popov. "Power Transistor Pulse Generator for Technological Purposes." \i Jubileum Scientific Session of VMEI?Gabrovo, Power Electronics Section\i0 . 1986. \par \par Vasilev, Vasil, Vihren Batchev, Mihail Milev, Stanimir Valtchev, and Alexander Tatzov. "An Electronic System for Rowers' Propulsion Motion Activities Studies." \i Problems of the Physical Culture and Sport (now: "Sport and Science Magazine")\i0  (1986): 13-17.\par \par "An Electronic System for Rowers' Propulsion Motion Activities Studies." \i Problems of the Fitness\i0  (1986).\par \par Valtchev, Stanimir. "An Electronic System for Rowers\{'\} Propulsion Motion Activities Studies." \i Problems of the Fitness\i0  (1986).\par \par Vasilev, Vasil, and Stanimir Valtchev. "PWM Servosystem for DC Motors Control." \i Scientific and Technological Conference "Industrial Robots?84"\i0 . 1984. \par \par Natchev, Branimir, and Stanimir Valtchev. "Control System for Power Converter of DC to Sinusoidal AC Voltage." \i National Conference (with international participation) of Power Electronics SILEKTRON?83\i0 . 1983. \par \par Natchev, Branimir, and Stanimir Valtchev. "Driver Circuit for Power Transistor Switches." \i National Conference (with international participation) of Power Electronics SILEKTRON?83\i0 . 1983. \par \par Vasilev, Vasil, Branimir Natchev, and Stanimir Valtchev. "Power Converter of DC to Sinusoidal AC Voltage for Robotic Purposes." \i Scientific Session VMEI?83, Section Robotics\i0 . 1983. \par \par Valtchev, Stanimir \i Power supply for 2 kW ? 25 kV CO2 gas laser\i0 . Ministry of Science and Technology Bulgaria ? USSR (limited access), 1980.\par \par Atanasov, Alexander, Ivan Valtchev, Dobrinka Kolevska, and Stanimir Valtchev. "Experimental Research of the Boron Nitride Diffusion." \i Elektropromishlenost i Priborostroene (now: Elektrotechnica & Elektronica)\i0  (1978): 31-35.\par \par Valtchev, Stanimir. "Experimental Research of the Boron Nitride Diffusion." \i Elektropromishlenost i Priborostroene\i0  (1978).\par \par "Experimental Research of the Boron Nitride Diffusion." \i Elektropromishlenost i Priborostroene\i0  (1978).\par \par Valtchev, Stanimir \i Eng. Stanimir Valtchev, Top MSc Graduate of the year 1974, Award and Engraved Wrist-Watch\i0 . Rector of TU Sofia, Bulgaria, 1974.\par \par }