成果報告書詳細
管理番号20150000000550
タイトル*平成26年度中間年報 SIP(戦略的イノベーション創造プログラム) 次世代パワーエレクトロニクス 次世代パワーモジュールの応用に関する基盤研究開発 次世代パワーモジュールを使用したパワーエレクトロニクス機器とその統合システムの包括的研究開発
公開日2015/8/4
報告書年度2014 - 2014
委託先名国立大学法人東京工業大学 公立大学法人首都大学東京 国立大学法人大阪大学 国立大学法人千葉大学 国立大学法人名古屋工業大学 国立大学法人横浜国立大学 国立大学法人筑波大学 国立大学法人北海道大学 国立大学法人山口大学 三菱電機株式会社 富士電機株式会社
プロジェクト番号P14029
部署名電子・材料・ナノテクノロジー部
和文要約
英文要約Title: Research and Development of Power Electronic Systems Using the Next-Generation Power Semiconductor Modules (FY2014-FY2016) FY2014 Annual Report

The aim of this project is to achieve research and development of power electronic circuits and systems using the next-generation power modules based on wide- energy-bandgap semiconductors such as silicon carbide (SiC), gallium nitride (GaN), and so on. This research project includes the following items and results.
At first, experimental evaluation of passive components such as capacitors and inductors in their performance measurement have been conducted to develop EMI filters applicable for switching-ripple reductions. A new method has been developed and introduced to achieve accurate measurements of iron losses in magnetic cores as well as equivalent series resistance (ESR) and inductance (ESL) values in capacitors. In addition, precise equivalent circuits of the EMI filters and the capacitors have been derived and its validity has been confirmed by simulation and experiment.
Secondly, practical circuit configurations including multilevel converters, dc-dc converters and ac-dc converters have been investigated to extract the excellent potential of SiC power devices from both aspects of simulation and experiment.
Applications of SiC power devices to motor drive systems have been discussed, along with high-frequency PWM inverters, Z-source inverters, and motor-integrated inverters. Experimental testing has been conducted on small-rated setups designed in FY2014, allowing the investigators to construct and test medium-rated inverter prototypes in the following FY2015 and FY2016.
As for utility and industrial applications of SiC power devices, hybrid dc circuit breakers and high-frequency inverters have been taken into account. Basic principles of the hybrid circuit breakers have been confirmed by experiments consisting of a mechanical ac circuit breaker and a Si-IGBT, followed by a prototype system design for a 380-V dc circuit breaker. A 400-kHz, 2-kW high-frequency inverter using SiC-MOSFETs has been designed, constructed, and tested.
Finally, HVDC transmission systems and 6.6-kV distribution systems using SiC power devices have been discussed, intended for their practical applications in the near future. Both are based on the latest power conversion topology of the so-called “modular multilevel cascade converters (MMCCs).” Technology and market trends in MMCC-based HVDC systems have been investigated to decide the specifications of the prototype system developed in this project. System configurations of a transformer-less MMCC-based STATCOM for 6.6-kV distribution systems have been discussed in combination with the latest SiC-MOSFETs.
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