JP4389531B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP4389531B2 JP4389531B2 JP2003325489A JP2003325489A JP4389531B2 JP 4389531 B2 JP4389531 B2 JP 4389531B2 JP 2003325489 A JP2003325489 A JP 2003325489A JP 2003325489 A JP2003325489 A JP 2003325489A JP 4389531 B2 JP4389531 B2 JP 4389531B2
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Claims (1)
- 自己消弧形半導体素子とダイオードとの逆並列回路をブリッジ接続し、交流電源からの交流電力を直流電力に変換して負荷に供給する電力変換装置において、
前記電力変換装置の出力の直流電圧を検出し、この直流電圧が所定の値となるように電圧の調節演算をし、この電圧の調節演算により得られた電流指令値と前記交流電源の電流検出値とを一致させるよう電流の調節演算をし、この電流の調節演算に基づいて得られた各相の電圧指令値とキャリア信号との比較により前記電力変換装置のパルス幅制御を行なうパルス幅変調制御手段と、
駆動運転時には前記ダイオードを介して前記負荷に電力を供給し、制動運転時には前記交流電源の位相に同期させてスイッチングする前記自己消弧形半導体素子を介して前記負荷側から前記交流電源に電力を回生する電力回生制御手段と、
設定変更により前記パルス幅変調制御手段と電力回生制御手段とのいずれか一方を選択して制御方式を切り替える切替手段とを備えることを特徴とする電力変換装置。
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JP2003325489A JP4389531B2 (ja) | 2003-09-18 | 2003-09-18 | 電力変換装置 |
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JP2003325489A JP4389531B2 (ja) | 2003-09-18 | 2003-09-18 | 電力変換装置 |
Publications (2)
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JP2005094937A JP2005094937A (ja) | 2005-04-07 |
JP4389531B2 true JP4389531B2 (ja) | 2009-12-24 |
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JP2003325489A Expired - Fee Related JP4389531B2 (ja) | 2003-09-18 | 2003-09-18 | 電力変換装置 |
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JP (1) | JP4389531B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107567680B (zh) | 2015-05-08 | 2020-11-13 | 江森自控科技公司 | 具有有源转换器的变速驱动器 |
JP6321593B2 (ja) * | 2015-08-21 | 2018-05-09 | ファナック株式会社 | 回生電流の時間的変化を抑制する機能を備えたモータ駆動装置 |
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- 2003-09-18 JP JP2003325489A patent/JP4389531B2/ja not_active Expired - Fee Related
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JP2005094937A (ja) | 2005-04-07 |
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