IT943248B - Dispositivo di disinnesto seletti vo di un disgiuntore di una rete elettrica - Google Patents

Dispositivo di disinnesto seletti vo di un disgiuntore di una rete elettrica

Info

Publication number
IT943248B
IT943248B IT7107471A IT7107471A IT943248B IT 943248 B IT943248 B IT 943248B IT 7107471 A IT7107471 A IT 7107471A IT 7107471 A IT7107471 A IT 7107471A IT 943248 B IT943248 B IT 943248B
Authority
IT
Italy
Prior art keywords
seletti
disconnect device
electrical mains
mains disconnector
disconnector
Prior art date
Application number
IT7107471A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT943248B publication Critical patent/IT943248B/it

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)
IT7107471A 1970-12-17 1971-12-14 Dispositivo di disinnesto seletti vo di un disgiuntore di una rete elettrica IT943248B (it)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
IT943248B true IT943248B (it) 1973-04-02

Family

ID=26216115

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7107471A IT943248B (it) 1970-12-17 1971-12-14 Dispositivo di disinnesto seletti vo di un disgiuntore di una rete elettrica

Country Status (5)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446678B (sv) * 1981-11-02 1986-09-29 Asea Ab Metod att detektera jordfel i net for distribution av elektrisk kraft och anordning for genomforande av metoden
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 (de) * 1991-10-09 1992-10-15 Schaltbau GmbH, 8000 München Vorrichtung, insbesondere Überstromauslöser, zur potentialfreien Strommessung
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
ES2612910T3 (es) * 2002-07-12 2017-05-19 Cooper Technologies Company Sistema de protección de red eléctrica
US7638999B2 (en) 2006-04-07 2009-12-29 Cooper Technologies Company Protective relay device, system and methods for Rogowski coil sensors
DE102006037227B3 (de) * 2006-08-09 2008-02-14 Siemens Ag Schutzschalter und Schutzschalteranordnung
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 (de) * 2007-10-30 2009-05-14 Siemens Ag Verfahren zur Kurzschlusserkennung in einem elektrischen Stromnetz
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 (zh) * 2021-07-23 2021-11-05 深圳供电局有限公司 一种220kV变压器低压侧双支路出线结构及方法

Also Published As

Publication number Publication date
GB1355827A (en) 1974-06-05
CH554096A (fr) 1974-09-13
DE2162414A1 (de) 1972-06-22
BE776821A (fr) 1972-04-17

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