GB2236919B - Overload and short-circuit protection circuit - Google Patents
Overload and short-circuit protection circuitInfo
- Publication number
- GB2236919B GB2236919B GB8921229A GB8921229A GB2236919B GB 2236919 B GB2236919 B GB 2236919B GB 8921229 A GB8921229 A GB 8921229A GB 8921229 A GB8921229 A GB 8921229A GB 2236919 B GB2236919 B GB 2236919B
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- overload
- short
- protection circuit
- circuit protection
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- 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
- H02H3/087—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 dc applications
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8912959A FR2652687B1 (en) | 1989-10-04 | 1989-10-04 | METHOD AND DEVICE FOR PROTECTING AGAINST OVERLOAD AND SHORT CIRCUIT OF OUTPUT CONTROL ELEMENTS. |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8921229D0 GB8921229D0 (en) | 1989-11-08 |
GB2236919A GB2236919A (en) | 1991-04-17 |
GB2236919B true GB2236919B (en) | 1994-03-30 |
Family
ID=9386074
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8921229A Expired - Fee Related GB2236919B (en) | 1989-10-04 | 1989-09-20 | Overload and short-circuit protection circuit |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2652687B1 (en) |
GB (1) | GB2236919B (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0556551A (en) * | 1991-08-27 | 1993-03-05 | Pioneer Electron Corp | Grounding protection circuit |
GB2303005A (en) * | 1995-07-01 | 1997-02-05 | Ampy Automation Digilog | Controlling electrical supply to a consumer |
DE19531899B4 (en) * | 1995-08-30 | 2004-11-25 | Robert Bosch Gmbh | Electronic setup and operating procedures for this |
US6529358B1 (en) | 1998-03-10 | 2003-03-04 | Siemens Vdo Automotive Ag | Driver protection circuit for preventing damage due to line contact with ground or supply voltage |
US10074497B2 (en) | 2014-11-06 | 2018-09-11 | Rockwell Automation Technologies, Inc. | Operator coil parameter based electromagnetic switching |
US9806641B2 (en) | 2014-11-06 | 2017-10-31 | Rockwell Automation Technologies, Inc. | Detection of electric motor short circuits |
US10361051B2 (en) | 2014-11-06 | 2019-07-23 | Rockwell Automation Technologies, Inc. | Single pole, single current path switching system and method |
US9806642B2 (en) | 2014-11-06 | 2017-10-31 | Rockwell Automation Technologies, Inc. | Modular multiple single-pole electromagnetic switching system and method |
US9748873B2 (en) | 2014-11-06 | 2017-08-29 | Rockwell Automation Technologies, Inc. | 5-pole based wye-delta motor starting system and method |
US10393809B2 (en) | 2014-11-06 | 2019-08-27 | Rockwell Automation Technologies, Inc. | Intelligent timed electromagnetic switching |
US9722513B2 (en) | 2014-11-06 | 2017-08-01 | Rockwell Automation Technologies, Inc. | Torque-based stepwise motor starting |
US10141143B2 (en) | 2014-11-06 | 2018-11-27 | Rockwell Automation Technologies, Inc. | Wear-balanced electromagnetic motor control switching |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1123076A (en) * | 1964-12-31 | 1968-08-14 | Automatic Telephone & Elect | Improvements in or relating to power supply regulation |
GB1402386A (en) * | 1972-10-04 | 1975-08-06 | Bodenseewerk Geraetetech | Protective circuits |
GB1467055A (en) * | 1973-02-23 | 1977-03-16 | Indesit | Circuit arrangements for protecting and electric power supply line |
GB1512073A (en) * | 1974-05-08 | 1978-05-24 | Boehringer A | Protective systems for switches |
US4202023A (en) * | 1977-12-07 | 1980-05-06 | Entron, Inc. | Overload protector |
US4423457A (en) * | 1981-02-05 | 1983-12-27 | Siemens Aktiengesellschaft | Overload protection circuit for a semiconductor switch |
GB2152305A (en) * | 1983-12-22 | 1985-07-31 | Bosch Gmbh Robert | Circuit arrangement for controlling and monitoring electrical loads |
US4544981A (en) * | 1984-10-01 | 1985-10-01 | Harris Corporation | Short circuit protector/controller circuit |
EP0244623A2 (en) * | 1986-05-05 | 1987-11-11 | Motorola, Inc. | Automatic restart circuit for a switching power supply |
US4788474A (en) * | 1985-12-04 | 1988-11-29 | Kabushiki Tokai Rika Denki Seisakusho | Dimmer apparatus |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3543091A (en) * | 1968-12-23 | 1970-11-24 | Ltv Aerospace Corp | Solid state circuit breaker |
US3599042A (en) * | 1969-10-31 | 1971-08-10 | Honeywell Inc | Overload protection device for emitter-follower line driver |
US4203141A (en) * | 1978-03-30 | 1980-05-13 | Wescom, Inc. | Low power dissipation series regulator for PCM repeater lines |
US4394703A (en) * | 1981-12-24 | 1983-07-19 | Gte Automatic Electric Labs Inc. | Load protecting arrangement |
DE3409058A1 (en) * | 1984-03-13 | 1985-09-26 | Telefunken electronic GmbH, 7100 Heilbronn | SHORT CIRCUIT AND OVERLOAD PROTECTION CIRCUIT FOR POWER AMPLIFIER TRANSISTORS |
DE3432567C1 (en) * | 1984-09-05 | 1985-12-05 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Circuit arrangement for short-circuit monitoring |
-
1989
- 1989-09-20 GB GB8921229A patent/GB2236919B/en not_active Expired - Fee Related
- 1989-10-04 FR FR8912959A patent/FR2652687B1/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1123076A (en) * | 1964-12-31 | 1968-08-14 | Automatic Telephone & Elect | Improvements in or relating to power supply regulation |
GB1402386A (en) * | 1972-10-04 | 1975-08-06 | Bodenseewerk Geraetetech | Protective circuits |
GB1467055A (en) * | 1973-02-23 | 1977-03-16 | Indesit | Circuit arrangements for protecting and electric power supply line |
GB1512073A (en) * | 1974-05-08 | 1978-05-24 | Boehringer A | Protective systems for switches |
US4202023A (en) * | 1977-12-07 | 1980-05-06 | Entron, Inc. | Overload protector |
US4423457A (en) * | 1981-02-05 | 1983-12-27 | Siemens Aktiengesellschaft | Overload protection circuit for a semiconductor switch |
GB2152305A (en) * | 1983-12-22 | 1985-07-31 | Bosch Gmbh Robert | Circuit arrangement for controlling and monitoring electrical loads |
US4544981A (en) * | 1984-10-01 | 1985-10-01 | Harris Corporation | Short circuit protector/controller circuit |
US4788474A (en) * | 1985-12-04 | 1988-11-29 | Kabushiki Tokai Rika Denki Seisakusho | Dimmer apparatus |
EP0244623A2 (en) * | 1986-05-05 | 1987-11-11 | Motorola, Inc. | Automatic restart circuit for a switching power supply |
Also Published As
Publication number | Publication date |
---|---|
FR2652687B1 (en) | 1995-07-07 |
GB2236919A (en) | 1991-04-17 |
FR2652687A1 (en) | 1991-04-05 |
GB8921229D0 (en) | 1989-11-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19990920 |