GB1364721A - Apparatus for protecting a power supply line - Google Patents

Apparatus for protecting a power supply line

Info

Publication number
GB1364721A
GB1364721A GB5536571A GB5536571A GB1364721A GB 1364721 A GB1364721 A GB 1364721A GB 5536571 A GB5536571 A GB 5536571A GB 5536571 A GB5536571 A GB 5536571A GB 1364721 A GB1364721 A GB 1364721A
Authority
GB
United Kingdom
Prior art keywords
fuse
relay
circuit
open
signal
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
Application number
GB5536571A
Other languages
English (en)
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger SA
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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Publication of GB1364721A publication Critical patent/GB1364721A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02H3/02—Details
    • H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
    • H02H3/046—Signalling the blowing of a fuse

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
GB5536571A 1970-12-02 1971-11-29 Apparatus for protecting a power supply line Expired GB1364721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7043346A FR2116261B1 (enrdf_load_stackoverflow) 1970-12-02 1970-12-02

Publications (1)

Publication Number Publication Date
GB1364721A true GB1364721A (en) 1974-08-29

Family

ID=9065087

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5536571A Expired GB1364721A (en) 1970-12-02 1971-11-29 Apparatus for protecting a power supply line

Country Status (8)

Country Link
AU (1) AU468230B2 (enrdf_load_stackoverflow)
BE (1) BE775403A (enrdf_load_stackoverflow)
CH (1) CH559982A5 (enrdf_load_stackoverflow)
DE (1) DE2159788A1 (enrdf_load_stackoverflow)
FR (1) FR2116261B1 (enrdf_load_stackoverflow)
GB (1) GB1364721A (enrdf_load_stackoverflow)
IT (1) IT942907B (enrdf_load_stackoverflow)
SE (1) SE371535B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516616C1 (de) * 1995-04-25 1997-01-16 Siemens Ag Anordnung mit einem an ein elektrisches Energieversorgungsnetz über einen Leistungsschalter angeschlossenen Leitungsabgang mit mindestens einem Verbraucher und mit einer Unterspannungs-Schutzanordnung
GB2339350A (en) * 1998-06-18 2000-01-19 Gec Alsthom Ltd Countering undesired operation of parallel feeder directional overcurrent relays

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19516616C1 (de) * 1995-04-25 1997-01-16 Siemens Ag Anordnung mit einem an ein elektrisches Energieversorgungsnetz über einen Leistungsschalter angeschlossenen Leitungsabgang mit mindestens einem Verbraucher und mit einer Unterspannungs-Schutzanordnung
GB2339350A (en) * 1998-06-18 2000-01-19 Gec Alsthom Ltd Countering undesired operation of parallel feeder directional overcurrent relays
US6307723B1 (en) 1998-06-18 2001-10-23 Alstom Uk Ltd. Parallel-feeder directional overcurrent protection

Also Published As

Publication number Publication date
DE2159788A1 (de) 1972-06-08
CH559982A5 (enrdf_load_stackoverflow) 1975-03-14
FR2116261B1 (enrdf_load_stackoverflow) 1973-11-23
AU3633771A (en) 1973-06-21
BE775403A (fr) 1972-05-16
IT942907B (it) 1973-04-02
SE371535B (enrdf_load_stackoverflow) 1974-11-18
FR2116261A1 (enrdf_load_stackoverflow) 1972-07-13
AU468230B2 (en) 1976-01-08

Similar Documents

Publication Publication Date Title
DE2966268D1 (en) A switching circuit
GB1169706A (en) An Electrical Fault Detector
JPS466177A (enrdf_load_stackoverflow)
GB1364721A (en) Apparatus for protecting a power supply line
SE7909204L (sv) Skyddsreleapparat
BE853539A (fr) Commutateur d'installation electrique, en particulier disjoncteur de ligne avec dispositif de protection contre un courant de defaut
JPS5365951A (en) Multi-terminal protective relay system
FR1337927A (fr) Circuit d'avertissement, en particulier pour la détection d'incendies
GB1509589A (en) Switching circuit for a detonator or other load
GB1270129A (en) Earth fault detection circuitry
JPS5343826A (en) Inverter protecting device
JPS534498A (en) Instantaneous continuity testing circuit of fire sensor circuits in fire alarming systems
JPS55102910A (en) Protector for amplifier
JPS51134850A (en) D.c. earth protective relay
GB853304A (en) Improvements in and relating to pilot circuit protection
GB1311719A (en) Fault-detection circuit for use in the protection of an electrical system
JPS5456150A (en) Common bus protection
JPS5538046A (en) Transformer for condenser type meter
JPS548845A (en) Phase-lack protection device
JPS5771276A (en) Protection apparatus for inverter
JPS53103243A (en) Molten metl leakage detecting system for metal melting furnace
JPS52140843A (en) System for supervising current differential bus bar protection relay suppressing circuit
FR2300377A1 (fr) Installation de securite des moyens d'alarme et de lutte contre l'incendie
JPS5296336A (en) Protection device for circuit breaker
GB1267403A (en) A device for the instantaneous and selective detection of melted fuses in a group of rotating fuses

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees