DE59206179D1 - Residual current circuit breaker - Google Patents
Residual current circuit breakerInfo
- Publication number
- DE59206179D1 DE59206179D1 DE59206179T DE59206179T DE59206179D1 DE 59206179 D1 DE59206179 D1 DE 59206179D1 DE 59206179 T DE59206179 T DE 59206179T DE 59206179 T DE59206179 T DE 59206179T DE 59206179 D1 DE59206179 D1 DE 59206179D1
- Authority
- DE
- Germany
- Prior art keywords
- supply
- signal
- residual current
- circuit breaker
- current circuit
- 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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/127—Automatic release mechanisms with or without manual release using piezoelectric, electrostrictive or magnetostrictive trip units
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezo-electric relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
- H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
- H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
Abstract
A residual current device having at least one supply conductor and one return conductor which form the primary windings for a summing current transformer, its secondary winding emitting a signal if a fault current occurs in the supply and return conductors, which signal drives a trip device which unlatches the latching point of a latching mechanism, as a result of which contact points which are located in the supply and return conductors are opened, the trip device having an element consisting of electrostrictive material whose one end is held in a fixed position in the switch and whose other end, which deflects in the case of a signal, acts on the latching point. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4142969A DE4142969A1 (en) | 1991-12-24 | 1991-12-24 | Fault current protection switch |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59206179D1 true DE59206179D1 (en) | 1996-06-05 |
Family
ID=6448134
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4142969A Withdrawn DE4142969A1 (en) | 1991-12-24 | 1991-12-24 | Fault current protection switch |
DE59206179T Expired - Fee Related DE59206179D1 (en) | 1991-12-24 | 1992-12-14 | Residual current circuit breaker |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4142969A Withdrawn DE4142969A1 (en) | 1991-12-24 | 1991-12-24 | Fault current protection switch |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0548732B1 (en) |
AT (1) | ATE137604T1 (en) |
DE (2) | DE4142969A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4443520A1 (en) * | 1994-12-07 | 1996-06-13 | Abb Patent Gmbh | Fault-current circuit breaker |
US5936536A (en) * | 1997-04-08 | 1999-08-10 | Medicor Corporation | Electrical insulation testing device and method for electrosurgical instruments |
DE19739822A1 (en) * | 1997-09-11 | 1999-03-18 | Abb Patent Gmbh | Residual current circuit breaker |
IT1303664B1 (en) * | 1998-12-24 | 2001-02-21 | Abb Ricerca Spa | ELECTRONIC PILOTING CIRCUIT FOR BISTABLE ACTUATOR ACTIVATED BY PIEZOELECTRIC, PARTICULARLY FOR DEVICES |
WO2002050856A1 (en) * | 2000-12-19 | 2002-06-27 | Siemens Aktiengesellschaft | Trip for circuit breaker |
DE10112563A1 (en) * | 2001-03-15 | 2002-09-19 | Kopp Heinrich Ag | Device for actuating a trigger mechanism |
DE10340003B4 (en) * | 2003-08-29 | 2006-02-16 | Siemens Ag | Short-circuit and overload release for a switching device |
DE102006018669A1 (en) * | 2006-04-21 | 2007-07-05 | Siemens Ag | Electromechanical switching device for connecting two electrical contact points, has mobile contact element, which is adjustable by piezo-element between two switching positions |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2835761A (en) * | 1953-05-25 | 1958-05-20 | Electric Machinery Mfg Co | Electrostrictive ceramic actuator |
DE1463583A1 (en) * | 1964-03-17 | 1969-03-27 | Siemens Ag | Arrangement for controlling or defining the response and release times of piezoelectric relays |
US4042967A (en) * | 1975-10-28 | 1977-08-16 | Yujiro Yamamoto | Ground fault sensor |
SU1513561A1 (en) * | 1986-05-23 | 1989-10-07 | Всесоюзный научно-исследовательский институт электрификации сельского хозяйства | Arrangement for protection from damage in three-phase electric installation |
AT387675B (en) * | 1987-04-02 | 1989-02-27 | Cti Ges Zur Pruefung Elektrote | Fault current protection switch with short delay |
SU1686575A1 (en) * | 1989-07-14 | 1991-10-23 | Душанбинское Проектно-Конструкторское Технологическое Бюро "Системавтоматика" | Device for protective switching-off of a c network in case of current leak to ground |
EP0412401A3 (en) * | 1989-08-10 | 1992-01-22 | Siemens Aktiengesellschaft | High-speed circuit breaker |
JPH06248220A (en) * | 1993-02-23 | 1994-09-06 | San Chitsupu:Kk | Nontoxic solid drawing material composition |
-
1991
- 1991-12-24 DE DE4142969A patent/DE4142969A1/en not_active Withdrawn
-
1992
- 1992-12-14 AT AT92121254T patent/ATE137604T1/en not_active IP Right Cessation
- 1992-12-14 EP EP92121254A patent/EP0548732B1/en not_active Expired - Lifetime
- 1992-12-14 DE DE59206179T patent/DE59206179D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0548732A3 (en) | 1994-01-26 |
ATE137604T1 (en) | 1996-05-15 |
EP0548732A2 (en) | 1993-06-30 |
EP0548732B1 (en) | 1996-05-01 |
DE4142969A1 (en) | 1993-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |