EP0076999A3 - Arrangement for the avoidance of fault impulses of a summation current transformer - Google Patents

Arrangement for the avoidance of fault impulses of a summation current transformer

Info

Publication number
EP0076999A3
EP0076999A3 EP82109160A EP82109160A EP0076999A3 EP 0076999 A3 EP0076999 A3 EP 0076999A3 EP 82109160 A EP82109160 A EP 82109160A EP 82109160 A EP82109160 A EP 82109160A EP 0076999 A3 EP0076999 A3 EP 0076999A3
Authority
EP
European Patent Office
Prior art keywords
avoidance
arrangement
current transformer
summation current
impulses
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.)
Withdrawn
Application number
EP82109160A
Other languages
German (de)
Other versions
EP0076999A2 (en
Inventor
Otto Jun Muller
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP0076999A2 publication Critical patent/EP0076999A2/en
Publication of EP0076999A3 publication Critical patent/EP0076999A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H01H2083/146—Provisions for avoiding disadvantages of having asymetrical primaries, e.g. induction of a magnetic field even by zero difference current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/14—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection
    • H01H83/144—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer
    • H01H2083/148—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by unbalance of two or more currents or voltages, e.g. for differential protection with differential transformer with primary windings formed of rigid copper conductors
EP82109160A 1981-10-14 1982-10-04 Arrangement for the avoidance of fault impulses of a summation current transformer Withdrawn EP0076999A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3140866 1981-10-14
DE19813140866 DE3140866A1 (en) 1981-10-14 1981-10-14 ARRANGEMENT FOR PREVENTING MISTAKE PULSES OF A TOTAL CURRENT TRANSFORMER

Publications (2)

Publication Number Publication Date
EP0076999A2 EP0076999A2 (en) 1983-04-20
EP0076999A3 true EP0076999A3 (en) 1985-10-16

Family

ID=6144118

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109160A Withdrawn EP0076999A3 (en) 1981-10-14 1982-10-04 Arrangement for the avoidance of fault impulses of a summation current transformer

Country Status (2)

Country Link
EP (1) EP0076999A3 (en)
DE (1) DE3140866A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410076A1 (en) * 1994-03-23 1995-09-28 Valentron Ag Residual current circuit breaker
GB9414869D0 (en) * 1994-07-23 1994-09-14 Delta Circuits Protection Module for use with a circuit breaker
GB9414873D0 (en) * 1994-07-23 1994-09-14 Delta Circuits Protection Current imbalance sensor
DE19653552C2 (en) * 1996-12-20 2000-07-13 Siemens Ag Total current converter arrangement
FR2909800B1 (en) * 2006-12-12 2009-01-09 Schneider Electric Ind Sas TORE AND DIFFERENTIAL DETECTION DEVICE.
US10852326B2 (en) * 2017-08-09 2020-12-01 Schneider Electric USA, Inc. Differential current sensing bussing method
US10622800B2 (en) 2017-08-09 2020-04-14 Schneider Electric USA, Inc. Integrated arc fault and ground fault current sensing package

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719219A (en) * 1951-04-14 1954-12-01 Anderson Boyes & Co Ltd Improvements in or relating to polyphase current transformers for use in earth leakage protective systems
US3665356A (en) * 1969-04-23 1972-05-23 Rucker Co Differential transformer with balancing means

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB719219A (en) * 1951-04-14 1954-12-01 Anderson Boyes & Co Ltd Improvements in or relating to polyphase current transformers for use in earth leakage protective systems
US3665356A (en) * 1969-04-23 1972-05-23 Rucker Co Differential transformer with balancing means

Also Published As

Publication number Publication date
DE3140866A1 (en) 1983-04-21
EP0076999A2 (en) 1983-04-20

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): AT BE CH DE FR IT LI NL

PUAL Search report despatched

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PUAF Information related to the publication of a search report (a3 document) modified or deleted

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STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

AK Designated contracting states

Designated state(s): AT BE CH DE FR IT LI NL

D17D Deferred search report published (deleted)
18D Application deemed to be withdrawn

Effective date: 19850501

RIN1 Information on inventor provided before grant (corrected)

Inventor name: MUELLER, OTTO, JUN