JP4548004B2 - 電動機駆動用pwmインバータ - Google Patents
電動機駆動用pwmインバータ Download PDFInfo
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- JP4548004B2 JP4548004B2 JP2004173616A JP2004173616A JP4548004B2 JP 4548004 B2 JP4548004 B2 JP 4548004B2 JP 2004173616 A JP2004173616 A JP 2004173616A JP 2004173616 A JP2004173616 A JP 2004173616A JP 4548004 B2 JP4548004 B2 JP 4548004B2
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- voltage
- motor
- pwm inverter
- capacitor
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前記電動機の出力軸に発生する振動を抑制するために、前記直流電圧の少なくとも何れか一端と接地(アース)との間にコンデンサを接続し、コンデンサの総容量をCnとし、前記PWMインバータと電動機との間の接続線と前記接地との間の容量をCcとし、前記電動機の巻線と前記接地との容量をCmとしたときに、Cn>Cc+Cmの関係にしたこのことを特徴とする。
Claims (1)
- 単相の入力交流電圧をダイオードからなる単相全波整流回路と平滑コンデンサとにより直流電圧に変換し、この直流電圧を自己消弧形素子とダイオードの逆並列回路を三相ブリッジ接続してなる逆変換回路によりPWM制御された所望の周波数,電圧の交流電圧に変換し、この変換された交流電圧により交流電動機を可変速駆動する電動機駆動用PWMインバータにおいて、
前記電動機の出力軸に発生する振動を抑制するために、前記直流電圧の少なくとも何れか一端と接地(アース)との間にコンデンサを接続し、このコンデンサの総容量をCnとし、前記PWMインバータと電動機との間の接続線と前記接地との間の容量をCcとし、前記電動機の巻線と前記接地との容量をCmとしたときに、Cn>Cc+Cmの関係にしたことを特徴とする電動機駆動用PWMインバータ。
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JP2004173616A JP4548004B2 (ja) | 2004-06-11 | 2004-06-11 | 電動機駆動用pwmインバータ |
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JP2004173616A JP4548004B2 (ja) | 2004-06-11 | 2004-06-11 | 電動機駆動用pwmインバータ |
Publications (2)
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JP2005354815A JP2005354815A (ja) | 2005-12-22 |
JP4548004B2 true JP4548004B2 (ja) | 2010-09-22 |
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JP2004173616A Active JP4548004B2 (ja) | 2004-06-11 | 2004-06-11 | 電動機駆動用pwmインバータ |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10581337B2 (en) | 2015-07-21 | 2020-03-03 | Mitsubishi Electric Corporation | Power converter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61191269A (ja) * | 1985-01-29 | 1986-08-25 | Mitsubishi Electric Corp | 電圧形インバ−タ装置 |
JPH10210649A (ja) * | 1997-01-17 | 1998-08-07 | Toyo Electric Mfg Co Ltd | 電圧形インバータ装置 |
JP2001008495A (ja) * | 1999-04-22 | 2001-01-12 | Internatl Rectifier Corp | モータ駆動応用装置中でemiエミッションを低減する方法 |
JP2003235269A (ja) * | 2002-02-08 | 2003-08-22 | Fuji Electric Co Ltd | 電力変換装置のノイズ低減装置 |
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2004
- 2004-06-11 JP JP2004173616A patent/JP4548004B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61191269A (ja) * | 1985-01-29 | 1986-08-25 | Mitsubishi Electric Corp | 電圧形インバ−タ装置 |
JPH10210649A (ja) * | 1997-01-17 | 1998-08-07 | Toyo Electric Mfg Co Ltd | 電圧形インバータ装置 |
JP2001008495A (ja) * | 1999-04-22 | 2001-01-12 | Internatl Rectifier Corp | モータ駆動応用装置中でemiエミッションを低減する方法 |
JP2003235269A (ja) * | 2002-02-08 | 2003-08-22 | Fuji Electric Co Ltd | 電力変換装置のノイズ低減装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10581337B2 (en) | 2015-07-21 | 2020-03-03 | Mitsubishi Electric Corporation | Power converter |
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JP2005354815A (ja) | 2005-12-22 |
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