SE7811037L - Anordning for detektering av en likstromskomponent i en krafttransformator - Google Patents

Anordning for detektering av en likstromskomponent i en krafttransformator

Info

Publication number
SE7811037L
SE7811037L SE7811037A SE7811037A SE7811037L SE 7811037 L SE7811037 L SE 7811037L SE 7811037 A SE7811037 A SE 7811037A SE 7811037 A SE7811037 A SE 7811037A SE 7811037 L SE7811037 L SE 7811037L
Authority
SE
Sweden
Prior art keywords
detecting
power transformer
direction component
component
transformer
Prior art date
Application number
SE7811037A
Other languages
English (en)
Other versions
SE431141B (sv
Inventor
R M Smith
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SE7811037L publication Critical patent/SE7811037L/sv
Publication of SE431141B publication Critical patent/SE431141B/sv

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
SE7811037A 1977-10-25 1978-10-24 Anordning for detektering av en likstromskomponent i en krafttransformator SE431141B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/844,773 US4175276A (en) 1977-10-25 1977-10-25 Transformer inrush current detector

Publications (2)

Publication Number Publication Date
SE7811037L true SE7811037L (sv) 1979-04-26
SE431141B SE431141B (sv) 1984-01-16

Family

ID=25293595

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7811037A SE431141B (sv) 1977-10-25 1978-10-24 Anordning for detektering av en likstromskomponent i en krafttransformator

Country Status (4)

Country Link
US (1) US4175276A (sv)
GB (1) GB1600707A (sv)
SE (1) SE431141B (sv)
ZA (1) ZA785990B (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4523429A (en) * 1983-04-01 1985-06-18 Rca Corporation Cold start surge current limiting system for a hydrazine thruster augmentation heater
US5014153A (en) * 1989-02-01 1991-05-07 Basler Electric Company Transformer differential relay
US6094013A (en) * 1998-07-24 2000-07-25 Siemens Aktiengesellschaft Circuit arrangement for limiting the current at make for a transformer
DE19903131A1 (de) * 1999-01-27 2000-08-03 Abb Daimler Benz Transp Verfahren zum Zuschalten eines Transformators an ein Wechselspannungsnetz und Schaltungsanordnung zur Durchführung des Verfahrens
US6483680B1 (en) * 1999-10-13 2002-11-19 General Electric Co. Magnetizing inrush restraint method and relay for protection of power transformers
GB0014752D0 (en) * 2000-06-17 2000-08-09 Alstom Improvements in electric trains
CN112255501B (zh) * 2020-10-12 2023-09-26 成都交大许继电气有限责任公司 一种牵引网故障时准确提取故障电流的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2196411A (en) * 1937-01-23 1940-04-09 Westinghouse Electric & Mfg Co Differential protective relaying system
US3374398A (en) * 1966-01-07 1968-03-19 Sanders Associates Inc Magnetic circuit protective device
US3731150A (en) * 1972-01-05 1973-05-01 Gen Electric Filter-to-line transient isolator

Also Published As

Publication number Publication date
GB1600707A (en) 1981-10-21
ZA785990B (en) 1980-06-25
US4175276A (en) 1979-11-20
SE431141B (sv) 1984-01-16

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