JPS6474070A - Leak current reducing circuit - Google Patents
Leak current reducing circuitInfo
- Publication number
- JPS6474070A JPS6474070A JP62226572A JP22657287A JPS6474070A JP S6474070 A JPS6474070 A JP S6474070A JP 62226572 A JP62226572 A JP 62226572A JP 22657287 A JP22657287 A JP 22657287A JP S6474070 A JPS6474070 A JP S6474070A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- zero phase
- motor
- phase reactor
- output end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE:To prevent electric shock, by arranging a leak current reducing circuit through a first circuit comprising a zero phase reactor and a second circuit comprising a capacitor between output end of PWM inverter and input end of motor. CONSTITUTION:PWM inverter 1 switches output elements 2-7 and feeds voltage between lines of a motor 9. A zero phase reactor 14 is connected between inverter output end Au and input end Bu for U phase of the motor 9, and similar connections are made for V and W phases. A capacitor 15 and a coil 16 are connected in series to form a second circuit which is connected to the output end Bu of the zero phase reactor 14. The zero phase reactor 14 in first circuit functions to suppress fluctuation of potential between neutral point of the motor 9 and the ground. The coil 16 and the like in second circuit feeds transient zero phase current positively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62226572A JPS6474070A (en) | 1987-09-11 | 1987-09-11 | Leak current reducing circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62226572A JPS6474070A (en) | 1987-09-11 | 1987-09-11 | Leak current reducing circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6474070A true JPS6474070A (en) | 1989-03-20 |
Family
ID=16847267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62226572A Pending JPS6474070A (en) | 1987-09-11 | 1987-09-11 | Leak current reducing circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6474070A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0682402A1 (en) * | 1994-05-11 | 1995-11-15 | Schaffner Elektronik Ag | Output magnitudes rise limiting device for self-commutated constant voltage intermediate circuit converter |
EP0682401A1 (en) * | 1994-05-11 | 1995-11-15 | Schaffner Elektronik Ag | Limiting device for the output voltage slope of a self-commutated converter |
EP0758161A3 (en) * | 1995-08-07 | 1997-05-07 | Eaton Corp | Conducted emission radiation suppression in inverter drives |
JP2004504798A (en) * | 2000-07-13 | 2004-02-12 | エプコス アクチエンゲゼルシャフト | Power filter |
KR100459472B1 (en) * | 1998-11-06 | 2005-04-08 | 엘지산전 주식회사 | Inverter Drive Motor |
KR100533201B1 (en) * | 1997-06-03 | 2006-04-12 | 후지 덴키 가부시끼가이샤 | Power conversion apparatus |
JP2007089381A (en) * | 2005-04-20 | 2007-04-05 | Fuji Electric Systems Co Ltd | Ac-ac converter |
JP2008006560A (en) * | 2006-06-30 | 2008-01-17 | Nitto Seiko Co Ltd | Screw part fastener |
JP2009148078A (en) * | 2007-12-14 | 2009-07-02 | Toshiba Corp | Noise filter |
-
1987
- 1987-09-11 JP JP62226572A patent/JPS6474070A/en active Pending
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0682402A1 (en) * | 1994-05-11 | 1995-11-15 | Schaffner Elektronik Ag | Output magnitudes rise limiting device for self-commutated constant voltage intermediate circuit converter |
EP0682401A1 (en) * | 1994-05-11 | 1995-11-15 | Schaffner Elektronik Ag | Limiting device for the output voltage slope of a self-commutated converter |
EP0758161A3 (en) * | 1995-08-07 | 1997-05-07 | Eaton Corp | Conducted emission radiation suppression in inverter drives |
KR100533201B1 (en) * | 1997-06-03 | 2006-04-12 | 후지 덴키 가부시끼가이샤 | Power conversion apparatus |
KR100459472B1 (en) * | 1998-11-06 | 2005-04-08 | 엘지산전 주식회사 | Inverter Drive Motor |
JP2004504798A (en) * | 2000-07-13 | 2004-02-12 | エプコス アクチエンゲゼルシャフト | Power filter |
JP2007089381A (en) * | 2005-04-20 | 2007-04-05 | Fuji Electric Systems Co Ltd | Ac-ac converter |
JP2008006560A (en) * | 2006-06-30 | 2008-01-17 | Nitto Seiko Co Ltd | Screw part fastener |
JP2009148078A (en) * | 2007-12-14 | 2009-07-02 | Toshiba Corp | Noise filter |
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