JP5592496B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
- Publication number
- JP5592496B2 JP5592496B2 JP2012536281A JP2012536281A JP5592496B2 JP 5592496 B2 JP5592496 B2 JP 5592496B2 JP 2012536281 A JP2012536281 A JP 2012536281A JP 2012536281 A JP2012536281 A JP 2012536281A JP 5592496 B2 JP5592496 B2 JP 5592496B2
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- semiconductor element
- power semiconductor
- power
- insulating member
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Images
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Description
本発明の第2の態様によると、第1の態様の電力変換装置において、前記抵抗素子の抵抗値は、前記漏洩電流が流れる際に、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第1スイッチング周波数域と、前記第3絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第2スイッチング周波数域との間の周波数域において、抵抗性の特性を有するように設定されることが好ましい。
本発明の第3の態様による電力変換装置は、スイッチング動作により直流電流を交流電流に変換するパワー半導体素子の一方の主面と接合材を介して接合された第1導体板と、前記パワー半導体素子の他方の主面と接合材を介して接合された第2導体板と、前記パワー半導体素子が配置された側とは反対側の前記第1導体板の面と対向する第1絶縁部材と、前記パワー半導体素子が配置された側とは反対側の前記第2導体板の面と対向する第2絶縁部材と、前記パワー半導体素子と前記第1及び第2導体板と前記第1及び第2絶縁部材とを収納する金属製のケースと、冷却冷媒が流れる流路を形成する金属製の流路形成体と、前記流路形成体に接触及び固定された金属板と、を備え、前記ケースの一部は、当該ケースのフランジ部を形成しており、当該ケースのフランジ部の一方の面が第3絶縁部材を介して前記流路形成体に固定されることにより、前記流路形成体の前記流路内に保持され、前記ケースのフランジ部の他方の面は、所定の前記パワー半導体素子の周波数域において抵抗性を有する導電性部材を介して前記金属板に固定され、前記パワー半導体素子のスイッチング動作により生じる漏洩電流は、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量と、前記第3絶縁部材の寄生容量及び前記導電性部材の並列接続とを含んで構成される直列回路を経由して、前記流路形成体に伝達される。
本発明の第4の態様によると、第3の態様の電力変換装置において、前記導電性部材の抵抗値は、前記漏洩電流が流れる際に、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第1スイッチング周波数域と、前記第3絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第2スイッチング周波数域との間の周波数域において、抵抗性の特性を有するように設定されることが好ましい。
日本国特許出願2010年第220240号(2010年9月30日出願)
Claims (4)
- スイッチング動作により直流電流を交流電流に変換するパワー半導体素子と、
前記パワー半導体素子の一方の主面と接合材を介して接合された第1導体板と、
前記パワー半導体素子の他方の主面と接合材を介して接合された第2導体板と、
前記パワー半導体素子が配置された側とは反対側の前記第1導体板の面と対向する第1絶縁部材と、
前記パワー半導体素子が配置された側とは反対側の前記第2導体板の面と対向する第2絶縁部材と、
前記パワー半導体素子と前記第1及び第2導体板と前記第1及び第2絶縁部材とを収納する金属製のケースと、
冷却冷媒が流れる流路を形成する金属製の流路形成体と、
一端を前記ケースに電気的に接続されるとともに他端を前記流路形成体に電気的に接続された抵抗素子と、を備え、
前記ケースは、当該ケースの一部が第3絶縁部材を介して前記流路形成体に固定されることにより、前記流路形成体の前記流路内に保持され、
前記抵抗素子は、前記第3絶縁部材の寄生容量と電気的に並列に接続され、
前記パワー半導体素子のスイッチング動作により生じる漏洩電流は、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量と、前記第3絶縁部材の寄生容量及び前記抵抗素子の並列接続とを含んで構成される直列回路を経由して、前記流路形成体に伝達される電力変換装置。 - 請求項1に記載の電力変換装置であって、
前記抵抗素子の抵抗値は、前記漏洩電流が流れる際に、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第1スイッチング周波数域と、前記第3絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第2スイッチング周波数域との間の周波数域において、抵抗性の特性を有するように設定される電力変換装置。 - スイッチング動作により直流電流を交流電流に変換するパワー半導体素子と、
前記パワー半導体素子の一方の主面と接合材を介して接合された第1導体板と、
前記パワー半導体素子の他方の主面と接合材を介して接合された第2導体板と、
前記パワー半導体素子が配置された側とは反対側の前記第1導体板の面と対向する第1絶縁部材と、
前記パワー半導体素子が配置された側とは反対側の前記第2導体板の面と対向する第2絶縁部材と、
前記パワー半導体素子と前記第1及び第2導体板と前記第1及び第2絶縁部材とを収納する金属製のケースと、
冷却冷媒が流れる流路を形成する金属製の流路形成体と、
前記流路形成体に接触及び固定された金属板と、を備え、
前記ケースの一部は、当該ケースのフランジ部を形成しており、
前記ケースは、当該ケースのフランジ部の一方の面が第3絶縁部材を介して前記流路形成体に固定されることにより、前記流路形成体の前記流路内に保持され、
前記ケースのフランジ部の他方の面は、所定の前記パワー半導体素子の周波数域において抵抗性を有する導電性部材を介して前記金属板に固定され、
前記パワー半導体素子のスイッチング動作により生じる漏洩電流は、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量と、前記第3絶縁部材の寄生容量及び前記導電性部材の並列接続とを含んで構成される直列回路を経由して、前記流路形成体に伝達される電力変換装置。 - 請求項3に記載の電力変換装置であって、
前記導電性部材の抵抗値は、前記漏洩電流が流れる際に、前記第1絶縁部材の寄生容量及び/又は前記第2絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第1スイッチング周波数域と、前記第3絶縁部材の寄生容量による容量性の特性を示す前記パワー半導体素子の第2スイッチング周波数域との間の周波数域において、抵抗性の特性を有するように設定される電力変換装置。
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JP6117362B2 (ja) * | 2013-08-20 | 2017-04-19 | 日立オートモティブシステムズ株式会社 | 電力変換装置 |
US20150138734A1 (en) * | 2013-11-18 | 2015-05-21 | Magna Electronics Inc. | 360 degree direct cooled power module |
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WO2016132421A1 (ja) * | 2015-02-16 | 2016-08-25 | 株式会社日立製作所 | 電力変換装置用の制御装置、電力変換装置、およびそれらを用いた電動機駆動システム、圧縮機駆動システム、ガスタービン発電システム |
JP6391527B2 (ja) * | 2015-04-16 | 2018-09-19 | 三菱電機株式会社 | パワー半導体モジュール |
US9781867B2 (en) | 2016-02-19 | 2017-10-03 | Ford Global Technologies, Llc | Power module assembly for a vehicle power inverter |
JP6394667B2 (ja) * | 2016-02-29 | 2018-09-26 | 株式会社デンソー | 電力変換装置 |
DE112017003073T5 (de) * | 2016-06-21 | 2019-03-07 | Mitsubishi Electric Corporation | Stromwandlungsvorrichtung |
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JP2020068609A (ja) * | 2018-10-25 | 2020-04-30 | トヨタ自動車株式会社 | インホイールモータ車両 |
DE102019100877A1 (de) * | 2019-01-15 | 2020-07-16 | Eugen Forschner Gmbh | Vorrichtung zur Energieverteilung und/oder zur Energieumwandlung |
DE102020109562B4 (de) * | 2020-04-06 | 2024-04-11 | Eugen Forschner Gmbh | Vorrichtung zum Verbinden von Hochvoltleitern |
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JP7014872B1 (ja) * | 2020-09-04 | 2022-02-01 | 日立Astemo株式会社 | 電力変換装置 |
JP7318615B2 (ja) * | 2020-09-11 | 2023-08-01 | トヨタ自動車株式会社 | 電力変換装置 |
JP7330421B1 (ja) * | 2022-03-29 | 2023-08-21 | 三菱電機株式会社 | 半導体モジュールおよび電力変換装置 |
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