JP2005094937A - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- JP2005094937A JP2005094937A JP2003325489A JP2003325489A JP2005094937A JP 2005094937 A JP2005094937 A JP 2005094937A JP 2003325489 A JP2003325489 A JP 2003325489A JP 2003325489 A JP2003325489 A JP 2003325489A JP 2005094937 A JP2005094937 A JP 2005094937A
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Abstract
【解決手段】 自己消弧形半導体素子T1〜T6とダイオードD1〜D6との逆並列回路をブリッジ接続し、交流電源1からの交流電力を直流電力に変換して負荷8に供給する電力変換装置30において、電源電圧同期角度演算器11、電圧調節器15、電流調節器19,20、PWM制御回路23等からなり、各相の電圧指令値とキャリア信号との比較によりパルス幅制御を行なうパルス幅変調制御手段31aと、回生動作判別演算回路26、点弧信号発生器27、ゲート駆動回路28等からなり、駆動運転時にはダイオードD1〜D6を介して負荷8に電力を供給し、制動運転時には交流電源1の位相に同期させてスイッチングする自己消弧形半導体素子T1〜T6を介して電力を交流電源1に回生する電力回生制御手段31bと、パルス幅変調制御手段31aと電力回生制御手段31bとを切り替える切替手段32とを備える。
【選択図】 図1
Description
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、
前記パルス幅変調制御手段と電力回生制御手段と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 true JP2005094937A (ja) | 2005-04-07 |
JP4389531B2 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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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017042016A (ja) * | 2015-08-21 | 2017-02-23 | 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 |
JP2018515058A (ja) * | 2015-05-08 | 2018-06-07 | ジョンソン コントロールズ テクノロジー カンパニーJohnson Controls Technology Company | アクティブコンバータを有する可変速駆動装置 |
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2003
- 2003-09-18 JP JP2003325489A patent/JP4389531B2/ja not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018515058A (ja) * | 2015-05-08 | 2018-06-07 | ジョンソン コントロールズ テクノロジー カンパニーJohnson Controls Technology Company | アクティブコンバータを有する可変速駆動装置 |
US10187000B2 (en) | 2015-05-08 | 2019-01-22 | Johnson Controls Technology Company | Variable speed drive with active converter |
US10693406B2 (en) | 2015-05-08 | 2020-06-23 | Johnson Controls Technology Company | Variable speed drive with active converter |
JP2017042016A (ja) * | 2015-08-21 | 2017-02-23 | 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 |
CN106470000A (zh) * | 2015-08-21 | 2017-03-01 | 发那科株式会社 | 电动机驱动装置 |
US9887645B2 (en) | 2015-08-21 | 2018-02-06 | Fanuc Corporation | Motor drive apparatus having function of suppressing temporal variation of regenerative current |
CN106470000B (zh) * | 2015-08-21 | 2019-04-16 | 发那科株式会社 | 电动机驱动装置 |
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JP4389531B2 (ja) | 2009-12-24 |
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