GB1478579A - Protective circuit arrangements - Google Patents

Protective circuit arrangements

Info

Publication number
GB1478579A
GB1478579A GB41512/75A GB4151275A GB1478579A GB 1478579 A GB1478579 A GB 1478579A GB 41512/75 A GB41512/75 A GB 41512/75A GB 4151275 A GB4151275 A GB 4151275A GB 1478579 A GB1478579 A GB 1478579A
Authority
GB
United Kingdom
Prior art keywords
protective circuit
circuit arrangements
discrepancy
oct
components
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
GB41512/75A
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of GB1478579A publication Critical patent/GB1478579A/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
    • H02H3/26—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
    • H02H3/36—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 of different systems, e.g. of parallel feeder systems
    • 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
    • H02H7/16—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 for capacitors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Protection Of Static Devices (AREA)
GB41512/75A 1974-10-29 1975-10-09 Protective circuit arrangements Expired GB1478579A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742451353 DE2451353C2 (de) 1974-10-29 1974-10-29 Schutzschaltungsanordnung für einen Hochspannungskondensatorblock

Publications (1)

Publication Number Publication Date
GB1478579A true GB1478579A (en) 1977-07-06

Family

ID=5929488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41512/75A Expired GB1478579A (en) 1974-10-29 1975-10-09 Protective circuit arrangements

Country Status (7)

Country Link
US (1) US3984734A (enExample)
CA (1) CA1039799A (enExample)
DE (1) DE2451353C2 (enExample)
FR (1) FR2290069A1 (enExample)
GB (1) GB1478579A (enExample)
SE (1) SE403221B (enExample)
ZA (1) ZA756552B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929757A1 (de) * 1979-07-23 1981-02-12 Siemens Ag Filtereingangsschutz
DE2930034A1 (de) * 1979-07-24 1981-02-12 Siemens Ag Ueberwachungseinrichtung fuer die kondensatorbatterie eines gleichstromfilterkreises
US4330777A (en) * 1980-11-05 1982-05-18 The United States Of America As Represented By The United States Department Of Energy Device for detecting imminent failure of high-dielectric stress capacitors
EP0083097B1 (en) * 1981-12-29 1986-04-09 Mitsubishi Denki Kabushiki Kaisha Protective relay for power system
JPS5996824A (ja) * 1982-11-19 1984-06-04 三菱電機株式会社 母線保護継電器
US4903160A (en) * 1985-02-25 1990-02-20 Westinghouse Electric Corp. Sudden, pressure relay supervisory apparatus
ATE98024T1 (de) * 1988-06-29 1993-12-15 Siemens Ag Einrichtung zum erfassen von inneren fehlern bei einer hochspannungskondensatorbatterie.
US5506457A (en) * 1995-04-07 1996-04-09 International Business Machines Corporation Electronic switch for decoupling capacitor
SE517539C2 (sv) * 2000-12-01 2002-06-18 Abb Ab Skyddsutrustning, förfarande och strömmätdon för en seriekondensatoranläggning
WO2008072226A2 (en) 2006-12-11 2008-06-19 Electrical Grid Monitoring Ltd. Fault prediction in electric transmission networks
US20080157783A1 (en) * 2007-01-01 2008-07-03 Maxwell Technologies, Inc. Apparatus and method for monitoring high voltage capacitors
CA2803049C (en) * 2010-06-17 2016-02-23 Mitsubishi Electric Corporation Device having capacitive loads and abnormality detecting method thereof
ES2776141T3 (es) 2012-05-22 2020-07-29 Alstom Transp Tech Circuito de fuente de alimentación para una fuente de energía a bordo o dispositivo de almacenamiento y particularmente para unidad de almacenamiento de supercondensador
CN105006803B (zh) * 2015-07-28 2017-08-25 中国南方电网有限责任公司超高压输电公司检修试验中心 基于高压侧电流有效值的交流滤波器差动保护方法
EP4215924A1 (en) 2022-01-25 2023-07-26 Wiferion GmbH Determining an alternating electrical current of a resonant circuitry arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319120A (en) * 1963-06-06 1967-05-09 Asea Ab Protection means for single-phase capacitor bank
SE329664B (enExample) * 1966-03-21 1970-10-19 Asea Ab
GB1169706A (en) * 1966-09-29 1969-11-05 English Electric Co Ltd An Electrical Fault Detector
US3735250A (en) * 1970-07-08 1973-05-22 Shibaura Electric Comp Fault detecting apparatus for a capacitor type potential divider having an amplifier
US3909672A (en) * 1974-02-07 1975-09-30 Westinghouse Electric Corp Capacitor bank protection relay

Also Published As

Publication number Publication date
US3984734A (en) 1976-10-05
CA1039799A (en) 1978-10-03
DE2451353C2 (de) 1976-08-19
SE7512046L (sv) 1976-04-30
SE403221B (sv) 1978-07-31
FR2290069B1 (enExample) 1979-06-29
DE2451353B1 (de) 1976-01-02
ZA756552B (en) 1976-09-29
FR2290069A1 (fr) 1976-05-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee