ATE144075T1 - CIRCUIT ARRANGEMENT FOR POWER SUPPLY - Google Patents

CIRCUIT ARRANGEMENT FOR POWER SUPPLY

Info

Publication number
ATE144075T1
ATE144075T1 AT91104457T AT91104457T ATE144075T1 AT E144075 T1 ATE144075 T1 AT E144075T1 AT 91104457 T AT91104457 T AT 91104457T AT 91104457 T AT91104457 T AT 91104457T AT E144075 T1 ATE144075 T1 AT E144075T1
Authority
AT
Austria
Prior art keywords
contact
contact point
output side
branch
circuit arrangement
Prior art date
Application number
AT91104457T
Other languages
German (de)
Inventor
Fritz Dipl-Phys Pohl
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of ATE144075T1 publication Critical patent/ATE144075T1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/46—Means for extinguishing or preventing arc between current-carrying parts using arcing horns
    • H01H9/465—Shunt circuit closed by transferring the arc onto an auxiliary electrode
    • 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
    • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H79/00—Protective switches in which excess current causes the closing of contacts, e.g. for short-circuiting the apparatus to be protected

Abstract

A circuit arrangement (1) for current limiting, which has a main current path (2) with at least one contact point (3) having an arc extinguishing region (4) from which a branch (7) is led away to an external connection (8). The branch (7) is connected, via a contact means (6), in the region which is filled with electrically conductive arc plasma when the contact gap is opened. The gaps between in each case one contact of the contact point (3) and the contact means (6) determined the voltage on the input side and on the output side during switching off. The contact point (3), or the contact points, of the main current path (2) is/are bridged by a parallel branch (15) having a further contact point (16), delayed trip devices (18) and a current-limiting resistor (17), a contact of the further contact point (16) being controlled by the delayed trip device (18). The output side is decoupled from the input side, on the output side, current and voltage intrusions for load branches during switching off being prevented. <IMAGE>
AT91104457T 1991-03-21 1991-03-21 CIRCUIT ARRANGEMENT FOR POWER SUPPLY ATE144075T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91104457A EP0504463B1 (en) 1991-03-21 1991-03-21 Circuit arrangement for power supply

Publications (1)

Publication Number Publication Date
ATE144075T1 true ATE144075T1 (en) 1996-10-15

Family

ID=8206556

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91104457T ATE144075T1 (en) 1991-03-21 1991-03-21 CIRCUIT ARRANGEMENT FOR POWER SUPPLY

Country Status (3)

Country Link
EP (1) EP0504463B1 (en)
AT (1) ATE144075T1 (en)
DE (1) DE59108266D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243314C2 (en) * 1992-12-21 1998-08-20 Asea Brown Boveri Current limiting switch
DE4309794A1 (en) * 1993-03-25 1994-09-29 Siemens Ag Arrangement for the activation of branches of a low-voltage network in the event of a short circuit
DE102004019532A1 (en) * 2004-04-22 2005-11-10 Medvetskiy, Oleksandr Safety switch for wiring, cuts off short-circuited electric circuit in consumer from source of electricity in emergency situations
FR2912253B1 (en) * 2007-02-01 2009-03-06 Schneider Electric Ind Sas MOBILE CONTACT SURVEILLANCE PROTECTION DEVICE COMPRISING SELECTIVE DISCONNECTION MEANS AGAINST SHORT CIRCUITS

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924752A (en) * 1957-07-12 1960-02-09 Ite Circuit Breaker Ltd Combined circuit breaker and short circuiter
US4184186A (en) * 1977-09-06 1980-01-15 General Electric Company Current limiting device for an electric power system
DE3316230C2 (en) * 1982-05-15 1985-04-25 Hager Electro GmbH + Co, 6601 Ensheim Circuit breaker against overcurrent and short circuit
FR2582857B1 (en) * 1985-05-29 1989-04-28 Merlin Gerin SINGLE POLE AND NEUTRAL CIRCUIT BREAKER WITH SHUNT EFFECT

Also Published As

Publication number Publication date
DE59108266D1 (en) 1996-11-14
EP0504463A1 (en) 1992-09-23
EP0504463B1 (en) 1996-10-09

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee