SI0823764T1 - Process for checking the operation, and determining the trip current, of residual current breakers responsive to DC or any current - Google Patents

Process for checking the operation, and determining the trip current, of residual current breakers responsive to DC or any current

Info

Publication number
SI0823764T1
SI0823764T1 SI9730108T SI9730108T SI0823764T1 SI 0823764 T1 SI0823764 T1 SI 0823764T1 SI 9730108 T SI9730108 T SI 9730108T SI 9730108 T SI9730108 T SI 9730108T SI 0823764 T1 SI0823764 T1 SI 0823764T1
Authority
SI
Slovenia
Prior art keywords
current
checking
determining
trip
breakers
Prior art date
Application number
SI9730108T
Inventor
Raimund Dr-Ing Schweiger
Original Assignee
Metrawatt Gmbh Gossen
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 Metrawatt Gmbh Gossen filed Critical Metrawatt Gmbh Gossen
Publication of SI0823764T1 publication Critical patent/SI0823764T1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/333—Testing of the switching capacity of high-voltage circuit-breakers ; Testing of breaking capacity or related variables, e.g. post arc current or transient recovery voltage
    • G01R31/3333—Apparatus, systems or circuits therefor
    • 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
    • H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial unbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • 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
    • H02H3/32—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/332—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 corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to dc component in the fault current

Abstract

The method involves using a current source (2) controlled according to a program. The source is connected to the neutral conductor (N) and the earth conductor (PE) of an electrical system contg. the circuit-breaker e.g. DC FI-type (10) being tested and a test current is injected. The test current is increased according to the test program and is automatically detected and measured at the instant at which the current sensitive component of the connected breaker responds. For all current breakers a response of the AC sensitive trigger circuit is prevented.
SI9730108T 1996-08-05 1997-07-10 Process for checking the operation, and determining the trip current, of residual current breakers responsive to DC or any current SI0823764T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19631611A DE19631611A1 (en) 1996-08-05 1996-08-05 Procedure for functional testing and determination of the tripping current of DC or AC sensitive sensitive residual current circuit breakers
EP97111685A EP0823764B1 (en) 1996-08-05 1997-07-10 Process for checking the operation, and determining the trip current, of residual current breakers responsive to DC or any current

Publications (1)

Publication Number Publication Date
SI0823764T1 true SI0823764T1 (en) 2001-04-30

Family

ID=7801855

Family Applications (1)

Application Number Title Priority Date Filing Date
SI9730108T SI0823764T1 (en) 1996-08-05 1997-07-10 Process for checking the operation, and determining the trip current, of residual current breakers responsive to DC or any current

Country Status (6)

Country Link
EP (1) EP0823764B1 (en)
AT (1) ATE198111T1 (en)
CZ (1) CZ236597A3 (en)
DE (2) DE19631611A1 (en)
ES (1) ES2154436T3 (en)
SI (1) SI0823764T1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005017771B4 (en) * 2005-04-13 2017-10-26 Siemens Aktiengesellschaft Method of manufacturing a low-voltage circuit breaker with self-monitoring functions
US8344724B2 (en) 2009-11-06 2013-01-01 Massachusetts Institute Of Technology Non-intrusive monitoring of power and other parameters
CN102004223B (en) * 2010-11-11 2013-03-20 南京南瑞继保电气有限公司 On-line checking method for breaking current of breaker
AT516240B1 (en) * 2014-09-09 2016-11-15 Omicron Electronics Gmbh Method and test system for testing a circuit breaker
CN113253179B (en) * 2021-04-14 2022-03-01 威胜电气有限公司 High-precision online calibration method for residual current of circuit breaker
CN113253178B (en) * 2021-04-14 2022-03-01 威胜电气有限公司 Online calibration method for residual current of circuit breaker

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835677C2 (en) * 1988-10-20 1997-07-17 Metrawatt Gmbh Gossen Measuring method and circuit arrangement for determining the tripping current of RCDs

Also Published As

Publication number Publication date
EP0823764A3 (en) 1999-02-10
EP0823764A2 (en) 1998-02-11
DE59702752D1 (en) 2001-01-18
DE19631611A1 (en) 1998-02-12
ATE198111T1 (en) 2000-12-15
CZ236597A3 (en) 1999-01-13
EP0823764B1 (en) 2000-12-13
ES2154436T3 (en) 2001-04-01

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