EP0548732A3 - - Google Patents
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- Publication number
- EP0548732A3 EP0548732A3 EP19920121254 EP92121254A EP0548732A3 EP 0548732 A3 EP0548732 A3 EP 0548732A3 EP 19920121254 EP19920121254 EP 19920121254 EP 92121254 A EP92121254 A EP 92121254A EP 0548732 A3 EP0548732 A3 EP 0548732A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- supply
- signal
- return
- conductor
- trip device
- 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.)
- Granted
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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4142969A DE4142969A1 (de) | 1991-12-24 | 1991-12-24 | Fehlerstromschutzschalter |
DE4142969 | 1991-12-24 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0548732A2 EP0548732A2 (fr) | 1993-06-30 |
EP0548732A3 true EP0548732A3 (fr) | 1994-01-26 |
EP0548732B1 EP0548732B1 (fr) | 1996-05-01 |
Family
ID=6448134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92121254A Expired - Lifetime EP0548732B1 (fr) | 1991-12-24 | 1992-12-14 | Disjoncteur à courant de défaut |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0548732B1 (fr) |
AT (1) | ATE137604T1 (fr) |
DE (2) | DE4142969A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4443520A1 (de) * | 1994-12-07 | 1996-06-13 | Abb Patent Gmbh | Fehlerstromschutzschalter |
US5936536A (en) * | 1997-04-08 | 1999-08-10 | Medicor Corporation | Electrical insulation testing device and method for electrosurgical instruments |
DE19739822A1 (de) * | 1997-09-11 | 1999-03-18 | Abb Patent Gmbh | Fehlerstromschutzschalter |
IT1303664B1 (it) * | 1998-12-24 | 2001-02-21 | Abb Ricerca Spa | Circuito elettronico di pilotaggio per attuatore bistabileattivato da piezoelettrici,particolarmente per dispositivi |
WO2002050856A1 (fr) * | 2000-12-19 | 2002-06-27 | Siemens Aktiengesellschaft | Declencheur pour disjoncteur |
DE10112563A1 (de) * | 2001-03-15 | 2002-09-19 | Kopp Heinrich Ag | Vorrichtung zur Betätigung einer Auslösemechanik |
DE10340003B4 (de) * | 2003-08-29 | 2006-02-16 | Siemens Ag | Kurzschluss- und Überlastauslöser für ein Schaltgerät |
DE102006018669A1 (de) * | 2006-04-21 | 2007-07-05 | Siemens Ag | Elektromechanische Schaltvorrichtung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042967A (en) * | 1975-10-28 | 1977-08-16 | Yujiro Yamamoto | Ground fault sensor |
EP0285594A1 (fr) * | 1987-04-02 | 1988-10-05 | Felten & Guilleaume Austria Ag | Interrupteur de protection à courant de défaut avec délais de temps bref |
EP0412401A2 (fr) * | 1989-08-10 | 1991-02-13 | Siemens Aktiengesellschaft | Disjoncteur rapide |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2835761A (en) * | 1953-05-25 | 1958-05-20 | Electric Machinery Mfg Co | Electrostrictive ceramic actuator |
DE1463583A1 (de) * | 1964-03-17 | 1969-03-27 | Siemens Ag | Anordnung zur Steuerung oder Festlegung der Ansprech-und Abfallzeiten piezoelektrischer Relais |
SU1513561A1 (ru) * | 1986-05-23 | 1989-10-07 | Всесоюзный научно-исследовательский институт электрификации сельского хозяйства | Устройство дл защиты от повреждени в трехфазных электроустановках |
SU1686575A1 (ru) * | 1989-07-14 | 1991-10-23 | Душанбинское Проектно-Конструкторское Технологическое Бюро "Системавтоматика" | Устройство дл защитного отключени сети переменного тока при утечке тока на землю |
JPH06248220A (ja) * | 1993-02-23 | 1994-09-06 | San Chitsupu:Kk | 無毒性固形画材組成物 |
-
1991
- 1991-12-24 DE DE4142969A patent/DE4142969A1/de not_active Withdrawn
-
1992
- 1992-12-14 DE DE59206179T patent/DE59206179D1/de not_active Expired - Fee Related
- 1992-12-14 AT AT92121254T patent/ATE137604T1/de not_active IP Right Cessation
- 1992-12-14 EP EP92121254A patent/EP0548732B1/fr not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4042967A (en) * | 1975-10-28 | 1977-08-16 | Yujiro Yamamoto | Ground fault sensor |
EP0285594A1 (fr) * | 1987-04-02 | 1988-10-05 | Felten & Guilleaume Austria Ag | Interrupteur de protection à courant de défaut avec délais de temps bref |
EP0412401A2 (fr) * | 1989-08-10 | 1991-02-13 | Siemens Aktiengesellschaft | Disjoncteur rapide |
Also Published As
Publication number | Publication date |
---|---|
DE59206179D1 (de) | 1996-06-05 |
EP0548732B1 (fr) | 1996-05-01 |
DE4142969A1 (de) | 1993-07-01 |
ATE137604T1 (de) | 1996-05-15 |
EP0548732A2 (fr) | 1993-06-30 |
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EP0548732A3 (fr) | ||
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EP0548731A3 (fr) | ||
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Legal Events
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