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Author

  • Masahito Shoyama
2020

Modeling and optimization of impedance balancing technique for common mode noise attenuation in DC-DC boost converters

Zhang, S., Zhang, B., Lin, Q., Takegami, E., Shoyama, M. & Dousoky, G. M., Mar 2020, In : Electronics (Switzerland). 9, 3, 480.

Research output: Contribution to journalArticle

Open Access

Modulation Method for Improving Reliability of Multilevel T-Type Inverter in PV Systems

Aly, M., Ahmed, E. M. & Shoyama, M., Jun 2020, In : IEEE Journal of Emerging and Selected Topics in Power Electronics. 8, 2, p. 1298-1309 12 p., 8636950.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Three-Phase Split-Source Inverter-Fed PV Systems: Analysis and Mitigation of Common-Mode Voltage

Hassan, M. S., Abdelhakim, A., Shoyama, M., Imaoka, J. & Dousoky, G. M., Sep 2020, In : IEEE Transactions on Power Electronics. 35, 9, p. 9826-9840 15 p., 8979368.

Research output: Contribution to journalArticle

2019

A simple conducted noise modeling method for DC-DC converters with accurate noise source model

Zhang, B., Zhang, S., Shoyama, M. & Takegami, E., Jan 25 2019, In : Research Reports on Information Science and Electrical Engineering of Kyushu University. 24, 1, p. 9-15 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Bi-directional multiport converter for utilizing green base stations as virtual power plant

Nakamura, M., Takeno, K., Hisamitsu, R. & Shoyama, M., Nov 2019, 8th International Conference on Renewable Energy Research and Applications, ICRERA 2019. Institute of Electrical and Electronics Engineers Inc., p. 137-141 5 p. 8996536. (8th International Conference on Renewable Energy Research and Applications, ICRERA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Capacitor Voltage Ripple Reduction Modulation Method for String Photovoltaic Inverters

Aly, M., Ahmed, E. M., Kouro, S. & Shoyama, M., Dec 2019, 2019 21st International Middle East Power Systems Conference, MEPCON 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 852-857 6 p. 9008065. (2019 21st International Middle East Power Systems Conference, MEPCON 2019 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Common mode noise cancellation by two opposite-phase-operating inverters for motor drive

Watase, Y., Nakamuta, S., Zhang, B. & Shoyama, M., May 1 2019, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 2179-2184 6 p. 8796491. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Common-mode noise evaluation study of two-level voltage source inverter using bus-clamping discontinuous PWM strategies

Hassan, M. S. & Shoyama, M., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612306. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Common-Mode Voltage Investigation and Reduction of Split-Source Inverter

Hassan, M. S. & Shoyama, M., Feb 4 2019, 6th IEEE International Conference on Smart Grid, icSmartGrids 2018. Institute of Electrical and Electronics Engineers Inc., p. 118-122 5 p. 8634437. (6th IEEE International Conference on Smart Grid, icSmartGrids 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Configuration and control method of bi-directional multiport converter for DC power supply system

Sakamoto, S. & Shoyama, M., Jan 14 2019, 2018 IEEE International Telecommunications Energy Conference, INTELEC 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8612428. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2018-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design and Hardware Implementation of New Adaptive Fuzzy Logic-Based MPPT Control Method for Photovoltaic Applications

Rezk, H., Aly, M., Al-Dhaifallah, M. & Shoyama, M., Jan 1 2019, In : IEEE Access. 7, p. 106427-106438 12 p., 8786102.

Research output: Contribution to journalArticle

Open Access
9 Citations (Scopus)

Develop Common-Mode Conducted Noise Modeling Methodology with Terminal Port Theory

Zhang, S., Zhang, B. & Shoyama, M., Jul 2019, 2019 IEEE 13th International Conference on Power Electronics and Drive Systems, PEDS 2019. Institute of Electrical and Electronics Engineers Inc., 8998806. (Proceedings of the International Conference on Power Electronics and Drive Systems; vol. 2019-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electric Load Leveling Method for Green Base Station

Nakamura, M., Takeno, K. & Shoyama, M., Jul 2019, 2019 IEEE 13th International Conference on Power Electronics and Drive Systems, PEDS 2019. Institute of Electrical and Electronics Engineers Inc., 8998867. (Proceedings of the International Conference on Power Electronics and Drive Systems; vol. 2019-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

EMI prediction and reduction of zero-crossing noise in totem-pole bridgeless PFC converters

Zhang, B., Lin, Q., Imaoka, J., Shoyama, M., Tomioka, S. & Takegami, E., Jan 1 2019, In : Journal of Power Electronics. 19, 1, p. 278-287 10 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Modeling, magnetic design, simulation methods, and experimental evaluation of various powder cores used in power converters considering their dc superimposition characteristics

Imaoka, J., Okamoto, K., Shoyama, M., Ishikura, Y., Noah, M. & Yamamoto, M., Sep 2019, In : IEEE Transactions on Power Electronics. 34, 9, p. 9033-9051 19 p., 8571263.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Modeling and Prediction of Common-Mode Conducted Noise in Boost Converter with Terminal Port Theory

Zhang, S., Zhang, B. & Shoyama, M., May 1 2019, ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia. Institute of Electrical and Electronics Engineers Inc., p. 2211-2216 6 p. 8797342. (ICPE 2019 - ECCE Asia - 10th International Conference on Power Electronics - ECCE Asia).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modified Adaptive Sliding Mode Control for Sensorless Direct-Drive Permanent Magnet Synchronous Generator Wind Turbines based on Fuzzy Logic Control

Diab, A. A. Z., Hassan, M. S. & Shoyama, M., Nov 2019, 2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019. Institute of Electrical and Electronics Engineers Inc., 9015138. (2019 IEEE 4th International Future Energy Electronics Conference, IFEEC 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optimal design of wind energy system interconnected with utility grid-case study of Egypt

EL-Ajmi, S. I., Mohamed, Y. S., Shoyama, M. & Zaki Diab, A. A., Jan 1 2019, In : International Journal of Engineering Research and Technology. 12, 9, p. 1561-1566 6 p.

Research output: Contribution to journalArticle

Pulse Width Modulation-Based Common-Mode Noise Source Characterization of Three-Phase Two-Level Split-Source Inverter

Hassan, M. S. & Shoyama, M., Sep 2019, 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019. Institute of Electrical and Electronics Engineers Inc., p. 2867-2872 6 p. 8911837. (2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Three Level T-Type Buck-Boost Voltage Source Inverter

Abdeen, E., Gaafar, M. A., Orabi, M. & Shoyama, M., Oct 2019, IEEE Conference on Power Electronics and Renewable Energy, CPERE 2019. Institute of Electrical and Electronics Engineers Inc., p. 175-180 6 p. 8980233. (IEEE Conference on Power Electronics and Renewable Energy, CPERE 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2018

Ageing Mitigation Control Method for Power Devices in Multilevel Inverters in Standalone PV Systems

Aly, M., Ahmed, E. M. & Shoyama, M., Dec 3 2018, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 5737-5741 5 p. 8557707. (2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A Leakage Flux Cancellation Technique for Series-Parallel Combined Resonant Circuits with Asymmetric Rotary Transformers Used for Ultrasonic Spindle Drive

Imaoka, J. & Shoyama, M., Oct 22 2018, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 1554-1561 8 p. 8507729. (2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

A Magnetic Design Method Considering DC-Biased Magnetization for Integrated Magnetic Components Used in Multiphase Boost Converters

Imaoka, J., Okamoto, K., Kimura, S., Noah, M., Martinez, W., Yamamoto, M. & Shoyama, M., Apr 2018, In : IEEE Transactions on Power Electronics. 33, 4, p. 3346-3362 17 p., 7932878.

Research output: Contribution to journalArticle

9 Citations (Scopus)

An enhanced PWM method for loss balancing of five level T-type inverter in PV systems

Aly, M., Ahmed, E. M., Orabi, M. & Shoyama, M., Apr 18 2018, APEC 2018 - 33rd Annual IEEE Applied Power Electronics Conference and Exposition. Institute of Electrical and Electronics Engineers Inc., p. 2530-2535 6 p. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC; vol. 2018-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

A New Single-Phase Five-Level Inverter Topology for Single and Multiple Switches Fault Tolerance

Aly, M., Ahmed, E. M. & Shoyama, M., Nov 2018, In : IEEE Transactions on Power Electronics. 33, 11, p. 9198-9208 11 p., 8253839.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Current-Mode Digital Control Method for High Frequency DC-DC Converter with Reduced Number of Sampling in One Switching Cycle

Mishima, A., Takiguchi, R., Imaoka, J., Shoyama, M., Yamaguchi, A. & Kimura, T., Dec 3 2018, 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018. Institute of Electrical and Electronics Engineers Inc., p. 1423-1427 5 p. 8557393. (2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Limit Operating Frequency of Peak Current-Mode Control DC-DC Converter Considering Turn-Off Delay Time

Ute, R., Fujiwara, K., Imaoka, J. & Shoyama, M., Oct 22 2018, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 3773-3779 7 p. 8507512. (2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Modeling, Magnetic Design, and Simulation Methods Considering DC Superimposition Characteristic of Powder Cores Used in Power Converters

Imaoka, J., Okamoto, K., Shoyama, M., Ishikura, Y., Noah, M. & Yamamoto, M., Oct 22 2018, 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. Institute of Electrical and Electronics Engineers Inc., p. 1095-1102 8 p. 8507874. (2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

New design approach for grid-current-based active damping of LCL filter resonance in grid-connected converters

Gaafar, M. A., Dousoky, G. M., Ahmed, E. M., Shoyama, M. & Orabi, M., Jul 1 2018, In : Journal of Power Electronics. 18, 4, p. 1165-1177 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

A high-Reliable magnetic design method for three-Phase coupled inductor used in interleaved multi-Phase boost converters

Imaoka, J., Okamoto, K., Shoyama, M., Noah, M., Kimura, S. & Yamamoto, M., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., p. 873-880 8 p. 8095877. (2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

An AC MPPT with Active/Reactive Power Control Feature for Single-Stage Three-Phase Grid-Connected Photovoltaic VSIs

Dousoky, G. M. & Shoyama, M., Feb 25 2017, In : Electric Power Components and Systems. 45, 4, p. 442-450 9 p.

Research output: Contribution to journalArticle

A new real-time perfect condition monitoring for high-power converters

Aly, M., Ahmed, E. M. & Shoyama, M., Jul 25 2017, 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 1473-1477 5 p. 7992262. (2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

An improved model predictive controller for highly reliable grid connected photovoltaic multilevel inverters

Aly, M., Ahmed, E. M. & Shoyama, M., Dec 14 2017, 2017 IEEE International Telecommunications Energy Conference: Driving Innovation in ICT Energy Infrastructure, INTELEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 450-455 6 p. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2017-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Conducted noise prediction for zero-crossing issue in totem-pole bridgeless PFC converter

Zhang, B., Lin, Q., Imaoka, J., Shoyama, M., Tomioka, S. & Takegami, E., Dec 14 2017, 2017 IEEE International Telecommunications Energy Conference: Driving Innovation in ICT Energy Infrastructure, INTELEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 396-401 6 p. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2017-October).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Derivation of transfer function of LLC current resonant converter using numerical calculation

Shoyama, M., Sagara, T., Yamashita, Y., Imaoka, J., Yonezawa, Y. & Nakashima, Y., Nov 3 2017, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., p. 3056-3062 7 p. 8096559. (2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Design of series-parallel combined resonant circuit with rotary transformer used for ultrasonic spindle drive

Imaoka, J., Nam, M., Shoyama, M. & Fujita, H., Jul 25 2017, 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 2244-2249 6 p. 7992401

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Developing new lifetime prolongation SVM algorithm for multilevel inverters with thermally aged power devices

Aly, M., Ahmed, E. M. & Shoyama, M., Dec 15 2017, In : IET Power Electronics. 10, 15, p. 2248-2256 9 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Magnetic design and experimental evaluation of Integrated Magnetic Components used in Interleaved Multi-phase DC/DC converter with Phase Drive Control

Imaoka, J., Okamoto, K., Shoyama, M., Ebisumoto, D., Kimura, S., Noah, M. & Yamamoto, M., Jul 25 2017, 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 2192-2197 6 p. 7992392. (2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

New parameter for current-sensorless MPPT in grid-connected photovoltaic VSIs

Dousoky, G. M. & Shoyama, M., Jan 1 2017, In : Solar Energy. 143, p. 113-119 7 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Study on zero-crossing conducted noise issue of totem-pole bridgeless PFC converter

Zhang, B., Imaoka, J., Shoyama, M., Tomioka, S. & Takegami, E., Jul 25 2017, 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017. Institute of Electrical and Electronics Engineers Inc., p. 2233-2237 5 p. 7992399. (2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia, IFEEC - ECCE Asia 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Systematic design of grid-current-based active damping for grid-connected LCL filters

Gaafar, M. A., Dousoky, G. M., Ahmed, E. M. & Shoyama, M., May 17 2017, 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., p. 2652-2657 6 p. 7931073. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Thermal and reliability assessment for wind energy systems with DSTATCOM functionality in resilient microgrids

Aly, M., Ahmed, E. M. & Shoyama, M., Jan 1 2017, In : IEEE Transactions on Sustainable Energy. 8, 3, p. 953-965 13 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Thermal stresses relief carrier-based PWM strategy for single-phase multilevel inverters

Aly, M., Ahmed, E. M. & Shoyama, M., Dec 2017, In : IEEE Transactions on Power Electronics. 32, 12, p. 9376-9388 13 p., 7820206.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2016

Analysis and design method of ZCS DC-DC converter in consideration of the parasitic capacitance of switch and its effect on loss reduction

Ota, T., Imaoka, J., Shoyama, M., Onishi, H., Nagaoka, S. & Morishita, S., Jan 1 2016, 2016 IEEE 2nd Annual Southern Power Electronics Conference, SPEC 2016. Institute of Electrical and Electronics Engineers Inc., 7846099. (2016 IEEE 2nd Annual Southern Power Electronics Conference, SPEC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Analysis and reduction method of conducted noise in GaN HEMTs based totem-pole bridgeless PFC converter

Zhang, B., Lin, Q., Shimada, Y., Imaoka, J., Shoyama, M. & Tomioka, S., Jul 13 2016, 2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016. Institute of Electrical and Electronics Engineers Inc., p. 274-278 5 p. 7512298. (2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

A novel secondary PWM-controlled interleaved LLC resonant converter for load current sharing

Sato, M., Takiguchi, R., Imaoka, J. & Shoyama, M., Jul 13 2016, 2016 IEEE 8th International Power Electronics and Motion Control Conference, IPEMC-ECCE Asia 2016. Institute of Electrical and Electronics Engineers Inc., p. 2276-2280 5 p. 7512652

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

An overheating-tolerant space vector modulation algorithm for multilevel inverters

Aly, M., Dousoky, G. M. & Shoyama, M., Dec 1 2016, In : IEEJ Transactions on Electrical and Electronic Engineering. 11, p. S75-S83

Research output: Contribution to journalArticle

7 Citations (Scopus)

A two state feedback active damping strategy for the LCL filter resonance in grid-connected converters

Gaafar, M. A., Ahmed, E. M. & Shoyama, M., Jul 1 2016, In : Journal of Power Electronics. 16, 4, p. 1587-1597 11 p.

Research output: Contribution to journalArticle

A unified SVM algorithm for lifetime prolongation of thermally-overheated power devices in multi-level inverters

Aly, M., Dousoky, G. M., Ahmed, E. M. & Shoyama, M., Jan 1 2016, ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings. Institute of Electrical and Electronics Engineers Inc., 7854801. (ECCE 2016 - IEEE Energy Conversion Congress and Exposition, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Conducted noise reduction of totem-pole bridgeless PFC converter using GaN HEMTs

Zhang, B., Shi, K., Lin, Q., Dousoky, G. M., Shoyama, M. & Tomioka, S., Sep 20 2016, 2015 IEEE International Telecommunications Energy Conference, INTELEC 2015. Institute of Electrical and Electronics Engineers Inc., 7572416. (INTELEC, International Telecommunications Energy Conference (Proceedings); vol. 2016-September).

Research output: Chapter in Book/Report/Conference proceedingConference contribution