JPS6314566B2 - - Google Patents
Info
- Publication number
- JPS6314566B2 JPS6314566B2 JP57112446A JP11244682A JPS6314566B2 JP S6314566 B2 JPS6314566 B2 JP S6314566B2 JP 57112446 A JP57112446 A JP 57112446A JP 11244682 A JP11244682 A JP 11244682A JP S6314566 B2 JPS6314566 B2 JP S6314566B2
- Authority
- JP
- Japan
- Prior art keywords
- phase
- signal
- voltage
- zero
- motor
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
Landscapes
- Control Of Ac Motors In General (AREA)
- Protection Of Generators And Motors (AREA)
- Inverter Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/280,161 US4381531A (en) | 1981-07-02 | 1981-07-02 | Alternating current motor protection system |
| US280161 | 1981-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS589528A JPS589528A (ja) | 1983-01-19 |
| JPS6314566B2 true JPS6314566B2 (en:Method) | 1988-03-31 |
Family
ID=23071942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57112446A Granted JPS589528A (ja) | 1981-07-02 | 1982-06-29 | 交流モ−タ保護装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4381531A (en:Method) |
| JP (1) | JPS589528A (en:Method) |
| AU (1) | AU548744B2 (en:Method) |
| BR (1) | BR8203733A (en:Method) |
| FR (1) | FR2509098B1 (en:Method) |
| GB (1) | GB2103441B (en:Method) |
| MX (1) | MX152044A (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1193316A (en) * | 1982-05-07 | 1985-09-10 | David R. Boothman | Motor protection apparatus |
| US4796142A (en) * | 1986-10-16 | 1989-01-03 | Square D Company | Overload protection apparatus for emulating the response of a thermal overload |
| US4833460A (en) * | 1987-02-02 | 1989-05-23 | Sabo Thomas E | Phasing indicator |
| US5222009A (en) * | 1990-07-30 | 1993-06-22 | Eaton Corporation | Solid state overload relay |
| RU2229765C2 (ru) * | 2001-11-29 | 2004-05-27 | Турусов Михаил Степанович | Устройство управления и защиты асинхронного двигателя при неполнофазном режиме |
| US8410761B2 (en) * | 2010-08-02 | 2013-04-02 | Hamilton Sundstrand Corporation | Low-loss zero current switching shunt regulator for AC alternator |
| CN103151760B (zh) * | 2013-03-14 | 2015-05-27 | 安徽江淮汽车股份有限公司 | 一种电动汽车电机过电流保护方法及保护电路 |
| CN103500986A (zh) * | 2013-10-29 | 2014-01-08 | 南京化工职业技术学院 | 一种基于c8051f410芯片的低压异步电机保护器 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3814986A (en) * | 1970-07-13 | 1974-06-04 | Arrow Hart Inc | Motor control circuit |
| GB1459176A (en) * | 1972-11-01 | 1976-12-22 | Square D Co | Overcurrent protective apparatus for a power circuit |
| US3919600A (en) * | 1973-03-19 | 1975-11-11 | Detprotector Inc | Overload current protector for A. C. motors |
| US4103317A (en) * | 1976-06-07 | 1978-07-25 | Val Tech Inc. | Motor protector providing phase failure and overload cutoff for three-phase variable voltage variable frequency motor |
| GB2008345B (en) * | 1977-11-14 | 1982-08-18 | Multilin Inc | Method of and apparatus for monitoring polyphase currents |
| US4219858A (en) * | 1978-12-20 | 1980-08-26 | General Electric Company | Overcurrent relay apparatus |
| US4234901A (en) * | 1979-03-08 | 1980-11-18 | Westinghouse Electric Corp. | Protective relay apparatus |
| IT1193453B (it) * | 1979-09-03 | 1988-06-22 | Puntimatic Snc D Musiani Franc | Dispositivo rivelatore di sovracorrente e di mancanza di fase |
| US4335413A (en) * | 1980-04-15 | 1982-06-15 | Westinghouse Electric Corp. | Circuit interrupter with remote indicator and power supply |
-
1981
- 1981-07-02 US US06/280,161 patent/US4381531A/en not_active Expired - Fee Related
-
1982
- 1982-06-07 GB GB08216488A patent/GB2103441B/en not_active Expired
- 1982-06-25 BR BR8203733A patent/BR8203733A/pt not_active IP Right Cessation
- 1982-06-29 JP JP57112446A patent/JPS589528A/ja active Granted
- 1982-06-30 FR FR8211473A patent/FR2509098B1/fr not_active Expired
- 1982-06-30 MX MX193385A patent/MX152044A/es unknown
- 1982-07-01 AU AU85515/82A patent/AU548744B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB2103441A (en) | 1983-02-16 |
| AU548744B2 (en) | 1986-01-02 |
| GB2103441B (en) | 1985-05-09 |
| US4381531A (en) | 1983-04-26 |
| MX152044A (es) | 1985-05-24 |
| FR2509098B1 (fr) | 1986-01-03 |
| BR8203733A (pt) | 1983-06-21 |
| AU8551582A (en) | 1983-01-13 |
| FR2509098A1 (fr) | 1983-01-07 |
| JPS589528A (ja) | 1983-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2735598B2 (ja) | 固体トリップ装置 | |
| US5341080A (en) | Apparatus and three phase induction motor starting and stopping control method | |
| JPH05188096A (ja) | 電動機用半導体制御器の電流検出装置 | |
| US5940257A (en) | Method and apparatus for alternating current monitoring with phase and magnitude measurement | |
| WO1995005023A1 (en) | Method and apparatus for rms current approximation | |
| JPS6314566B2 (en:Method) | ||
| CN110829364B (zh) | 一种漏电保护电路、漏电保护装置及用电设备 | |
| EP0531334B1 (en) | Electrical protection devices | |
| JP2774693B2 (ja) | 漏電遮断器 | |
| JP3335838B2 (ja) | 回路遮断器 | |
| JPH0630579A (ja) | 電流検出回路 | |
| JPS61139220A (ja) | 三相交流の欠相検出回路 | |
| JP3424374B2 (ja) | 避雷器漏れ電流センサ | |
| KR950008418Y1 (ko) | 전자식 배전반의 전원이상 검출회로 | |
| JPH0287722A (ja) | プログラマブル自動装置用入力回路 | |
| JPH04172984A (ja) | 直流モータの回転速度検出回路 | |
| JP3259319B2 (ja) | インバータの異常検出装置 | |
| JP2575474B2 (ja) | 回路しゃ断器 | |
| CN119834166A (zh) | 差动电气保护装置 | |
| JPS6133523Y2 (en:Method) | ||
| JPS6229962B2 (en:Method) | ||
| CA1140245A (en) | Method of and a protection relay for protecting electrical equipment | |
| KR200222479Y1 (ko) | 모터 제어장치용 과전류 감시장치 | |
| SU663014A1 (ru) | Способ защиты трехфазных потребителей от неполнофазных режимов работы и устройство дл его осуществлени | |
| KR100236259B1 (ko) | 전력변환장치의 퓨우즈고장 검출장치 |