CN1049074C - 断路器 - Google Patents
断路器 Download PDFInfo
- Publication number
- CN1049074C CN1049074C CN97115343A CN97115343A CN1049074C CN 1049074 C CN1049074 C CN 1049074C CN 97115343 A CN97115343 A CN 97115343A CN 97115343 A CN97115343 A CN 97115343A CN 1049074 C CN1049074 C CN 1049074C
- Authority
- CN
- China
- Prior art keywords
- time
- order
- lag action
- action characteristic
- circuit breaker
- 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 - Fee Related
Links
Images
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
- H02H3/093—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 with timing means
- H02H3/0935—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 with timing means the timing being determined by numerical means
-
- 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
- H02H3/006—Calibration or setting of parameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
- H02H7/0855—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load avoiding response to transient overloads, e.g. during starting
Landscapes
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP196212/96 | 1996-07-25 | ||
JP19621296A JPH1042452A (ja) | 1996-07-25 | 1996-07-25 | 回路遮断器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1172374A CN1172374A (zh) | 1998-02-04 |
CN1049074C true CN1049074C (zh) | 2000-02-02 |
Family
ID=16354076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97115343A Expired - Fee Related CN1049074C (zh) | 1996-07-25 | 1997-07-25 | 断路器 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH1042452A (ja) |
CN (1) | CN1049074C (ja) |
FR (1) | FR2751784B1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4096668B2 (ja) * | 2002-09-06 | 2008-06-04 | 三菱電機株式会社 | 回路遮断器 |
AU2003222829A1 (en) * | 2003-04-17 | 2004-11-04 | Enel Distribuzione S.P.A. | Electric circuit breaker |
DE102006025607A1 (de) * | 2006-05-24 | 2007-11-29 | Friedrich Lütze Gmbh & Co. Kg | Vorrichtung zum selbsttätigen Abschalten oder Schalten eines elektrischen Verbrauchers |
JP5289070B2 (ja) * | 2009-01-19 | 2013-09-11 | 中国電力株式会社 | 過電流継電装置 |
KR101513210B1 (ko) | 2013-11-11 | 2015-04-17 | 엘에스산전 주식회사 | 과전류 계전기 |
GB2570331B (en) * | 2018-01-22 | 2020-08-12 | Camlin Tech Limited | Electrical power supply system for buildings and electrical load protection device for use in same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4347541A (en) * | 1981-01-14 | 1982-08-31 | Gte Laboratories Incorporated | Circuit breaker |
US4685024A (en) * | 1985-11-19 | 1987-08-04 | General Electric Company | Overcurrent circuit interrupter using RMS sampling |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57500313A (ja) * | 1980-02-23 | 1982-02-18 | ||
US4827369A (en) * | 1987-02-20 | 1989-05-02 | Westinghouse Electric Corp. | Circuit interrupter apparatus with a selectable display means |
-
1996
- 1996-07-25 JP JP19621296A patent/JPH1042452A/ja active Pending
-
1997
- 1997-07-23 FR FR9709366A patent/FR2751784B1/fr not_active Expired - Fee Related
- 1997-07-25 CN CN97115343A patent/CN1049074C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4347541A (en) * | 1981-01-14 | 1982-08-31 | Gte Laboratories Incorporated | Circuit breaker |
US4685024A (en) * | 1985-11-19 | 1987-08-04 | General Electric Company | Overcurrent circuit interrupter using RMS sampling |
Also Published As
Publication number | Publication date |
---|---|
CN1172374A (zh) | 1998-02-04 |
FR2751784A1 (fr) | 1998-01-30 |
JPH1042452A (ja) | 1998-02-13 |
FR2751784B1 (fr) | 2001-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5120983A (en) | Device for starting automatically an auxiliary unit when switching on a main unit | |
EP2562937B1 (en) | Multi-functional solid state power controller | |
CN1049074C (zh) | 断路器 | |
JPH0591654A (ja) | 電動機用保護装置 | |
WO2024198640A1 (zh) | 电子设备及智能功率模块的故障检测方法 | |
US10224838B2 (en) | Method and device for electrodynamic braking of a universal motor | |
EP2223427B1 (de) | Verfahren und vorrichtung zum betreiben eines elektrischen antriebs mit hilfe einer phasenanschnittssteuerung | |
SE529993C2 (sv) | Metod och anordning för att minska påverkan från en likströmskomponent i en belastningsström vid en asynkron trefasmotor | |
US5748423A (en) | System for limiting short circuit current in 3-phase electric power networks | |
JP7101334B2 (ja) | スナバ回路 | |
CN112448370A (zh) | 原边控制电路及控制方法以及隔离式电源变换电路 | |
US4858053A (en) | Operational amplifier having an improved feedback system including an integrator having a hurry-up circuit, and an electric motor control using the same for inverse trip selection | |
CN115714352A (zh) | 一种双侧自供电的双向直流固态断路器 | |
CN209881390U (zh) | 一种开关电源电路及其输入过压欠压保护电路 | |
RU2498472C1 (ru) | Устройство тепловой защиты электродвигателя | |
EP1227561B1 (de) | Drehendes Elektrohandwerkzeug und Startsicherheitsroutine | |
JP2004297957A (ja) | 変速付電動工具の過負荷保護回路 | |
CN208062777U (zh) | 一种工频控制的电机保护电路、装置及系统 | |
JP2002315352A (ja) | 回生抵抗保護機構 | |
KR950005520B1 (ko) | 권선형 모터 무저항 제어 및 모니터링 시스템 | |
CN218415803U (zh) | 一种分立器件电流保护电路 | |
JP3368930B2 (ja) | サーボモータ回生処理回路 | |
CN210587512U (zh) | 一种攻丝机 | |
CN109412110B (zh) | 一种sspc额定电流可向下连续编程的方法 | |
CN207150468U (zh) | 一种高性能电机软起动器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |