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
Application number
EP19920121254
Other languages
English (en)
Other versions
EP0548732B1 (de
EP0548732A2 (de
Inventor
Erhard Runtsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0548732A2 publication Critical patent/EP0548732A2/de
Publication of EP0548732A3 publication Critical patent/EP0548732A3/xx
Application granted granted Critical
Publication of EP0548732B1 publication Critical patent/EP0548732B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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; Piezoelectric 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 imbalance 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 imbalance of two or more currents or voltages, e.g. for differential protection with differential transformer

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Breakers (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Keying Circuit Devices (AREA)
EP92121254A 1991-12-24 1992-12-14 Fehlerstromschutzschalter Expired - Lifetime EP0548732B1 (de)

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 (de) 1993-06-30
EP0548732A3 true EP0548732A3 (enrdf_load_stackoverflow) 1994-01-26
EP0548732B1 EP0548732B1 (de) 1996-05-01

Family

ID=6448134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92121254A Expired - Lifetime EP0548732B1 (de) 1991-12-24 1992-12-14 Fehlerstromschutzschalter

Country Status (3)

Country Link
EP (1) EP0548732B1 (enrdf_load_stackoverflow)
AT (1) ATE137604T1 (enrdf_load_stackoverflow)
DE (2) DE4142969A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
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 (de) * 2000-12-19 2002-06-27 Siemens Aktiengesellschaft Auslöser für schutzschalter
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042967A (en) * 1975-10-28 1977-08-16 Yujiro Yamamoto Ground fault sensor
EP0285594A1 (de) * 1987-04-02 1988-10-05 Felten & Guilleaume Austria Ag Fehlerstromschutzschalter mit Kurzzeitverzögerung
EP0412401A2 (de) * 1989-08-10 1991-02-13 Siemens Aktiengesellschaft Schnellschalter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4042967A (en) * 1975-10-28 1977-08-16 Yujiro Yamamoto Ground fault sensor
EP0285594A1 (de) * 1987-04-02 1988-10-05 Felten & Guilleaume Austria Ag Fehlerstromschutzschalter mit Kurzzeitverzögerung
EP0412401A2 (de) * 1989-08-10 1991-02-13 Siemens Aktiengesellschaft Schnellschalter

Also Published As

Publication number Publication date
DE59206179D1 (de) 1996-06-05
ATE137604T1 (de) 1996-05-15
EP0548732B1 (de) 1996-05-01
DE4142969A1 (de) 1993-07-01
EP0548732A2 (de) 1993-06-30

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