BE776821A - SELECTIVE CIRCUIT BREAKER TRIP DEVICE OF AN ELECTRICAL NETWORK - Google Patents

SELECTIVE CIRCUIT BREAKER TRIP DEVICE OF AN ELECTRICAL NETWORK

Info

Publication number
BE776821A
BE776821A BE776821A BE776821A BE776821A BE 776821 A BE776821 A BE 776821A BE 776821 A BE776821 A BE 776821A BE 776821 A BE776821 A BE 776821A BE 776821 A BE776821 A BE 776821A
Authority
BE
Belgium
Prior art keywords
circuit breaker
electrical network
trip device
breaker trip
selective circuit
Prior art date
Application number
BE776821A
Other languages
French (fr)
Inventor
Cl Terracol
Original Assignee
Merlin Gerin
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
Priority claimed from FR7045701A external-priority patent/FR2117789B1/fr
Priority claimed from FR7133831A external-priority patent/FR2153150B1/fr
Application filed by Merlin Gerin filed Critical Merlin Gerin
Publication of BE776821A publication Critical patent/BE776821A/en

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
    • H02H3/26—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/305—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 responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving current comparison
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
    • H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)
BE776821A 1970-12-17 1971-12-16 SELECTIVE CIRCUIT BREAKER TRIP DEVICE OF AN ELECTRICAL NETWORK BE776821A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7045701A FR2117789B1 (en) 1970-12-17 1970-12-17
FR7133831A FR2153150B1 (en) 1971-09-20 1971-09-20

Publications (1)

Publication Number Publication Date
BE776821A true BE776821A (en) 1972-04-17

Family

ID=26216115

Family Applications (1)

Application Number Title Priority Date Filing Date
BE776821A BE776821A (en) 1970-12-17 1971-12-16 SELECTIVE CIRCUIT BREAKER TRIP DEVICE OF AN ELECTRICAL NETWORK

Country Status (5)

Country Link
BE (1) BE776821A (en)
CH (1) CH554096A (en)
DE (1) DE2162414A1 (en)
GB (1) GB1355827A (en)
IT (1) IT943248B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446678B (en) * 1981-11-02 1986-09-29 Asea Ab METHOD TO DETECT EARTH ERRORS IN NET FOR DISTRIBUTION OF ELECTRIC POWER AND DEVICE FOR IMPLEMENTATION OF THE METHOD
US4540939A (en) * 1982-04-16 1985-09-10 Lucas Industries Public Limited Company Apparatus for monitoring current levels in an a.c. transmission line
DE9112575U1 (en) * 1991-10-09 1992-10-15 Schaltbau GmbH, 8000 München Device, in particular overcurrent release, for potential-free current measurement
US6940702B2 (en) 2002-07-12 2005-09-06 Mcgraw-Edison Company Electrical protection system
US6810069B2 (en) 2002-07-12 2004-10-26 Mcgraw-Edison Company Electrical arc furnace protection system
US7180717B2 (en) 2002-07-12 2007-02-20 Cooper Technologies Company Electrical network protection system
CA2492429A1 (en) * 2002-07-12 2004-01-22 Mcgraw-Edison Company Electrical network protection system
US7638999B2 (en) 2006-04-07 2009-12-29 Cooper Technologies Company Protective relay device, system and methods for Rogowski coil sensors
DE102006037227B3 (en) * 2006-08-09 2008-02-14 Siemens Ag Safety switch for selective current disconnection, on a current overload, has a current overload path which is dead on normal working and triggers the selective switch on a short circuit
US7564233B2 (en) 2006-11-06 2009-07-21 Cooper Technologies Company Shielded Rogowski coil assembly and methods
GB2449677A (en) * 2007-06-01 2008-12-03 Kevin Jones A system for identifying a risk of fire in a power network
DE102007052963A1 (en) * 2007-10-30 2009-05-14 Siemens Ag Method for short-circuit detection in an electrical power network
US7738221B2 (en) 2007-12-07 2010-06-15 Cooper Technologies Company Transformer inrush current detector
US8885306B2 (en) * 2012-04-17 2014-11-11 Hamilton Sundstrand Corporation Power management and distribution system having a fault detection and isolation assembly and method
US9362736B2 (en) * 2012-04-26 2016-06-07 Hamilton Sundstrand Corporation Method for improving power distribution protection
CN113611497A (en) * 2021-07-23 2021-11-05 深圳供电局有限公司 220kV transformer low-voltage side double-branch outgoing line structure and method

Also Published As

Publication number Publication date
DE2162414A1 (en) 1972-06-22
GB1355827A (en) 1974-06-05
CH554096A (en) 1974-09-13
IT943248B (en) 1973-04-02

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