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CH506905A - Distance protection device for three-phase network - Google Patents

Distance protection device for three-phase network

Info

Publication number
CH506905A
CH506905A CH175469A CH175469A CH506905A CH 506905 A CH506905 A CH 506905A CH 175469 A CH175469 A CH 175469A CH 175469 A CH175469 A CH 175469A CH 506905 A CH506905 A CH 506905A
Authority
CH
Switzerland
Prior art keywords
protection device
phase network
distance protection
distance
network
Prior art date
Application number
CH175469A
Other languages
French (fr)
Inventor
Fonteny Michel
Original Assignee
Compteurs Comp D
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 Compteurs Comp D filed Critical Compteurs Comp D
Publication of CH506905A publication Critical patent/CH506905A/en

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
    • H02H3/38—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 both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—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 both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
CH175469A 1968-02-20 1969-02-05 Distance protection device for three-phase network CH506905A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR140449 1968-02-20

Publications (1)

Publication Number Publication Date
CH506905A true CH506905A (en) 1971-04-30

Family

ID=8646200

Family Applications (1)

Application Number Title Priority Date Filing Date
CH175469A CH506905A (en) 1968-02-20 1969-02-05 Distance protection device for three-phase network

Country Status (4)

Country Link
CH (1) CH506905A (en)
DE (1) DE1907401A1 (en)
FR (1) FR1579516A (en)
GB (1) GB1262358A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102769279A (en) * 2012-07-23 2012-11-07 国电南瑞科技股份有限公司 High-impedance grounding phase selection method for longitudinal zero-sequence protection of line protection devices

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19831769C1 (en) * 1998-07-15 1999-10-07 Kopp Heinrich Ag Arrangement for monitoring a current network, esp. a three-phase current network with earth and neutral lines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102769279A (en) * 2012-07-23 2012-11-07 国电南瑞科技股份有限公司 High-impedance grounding phase selection method for longitudinal zero-sequence protection of line protection devices
CN102769279B (en) * 2012-07-23 2014-10-08 国电南瑞科技股份有限公司 High-resistance grounding phase selection method for longitudinal zero-sequence protection of line protection device

Also Published As

Publication number Publication date
GB1262358A (en) 1972-02-02
DE1907401A1 (en) 1969-10-02
DE1907401B2 (en) 1970-12-03
FR1579516A (en) 1969-08-29
DE1907401C3 (en) 1974-09-19

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Legal Events

Date Code Title Description
PL Patent ceased