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NO129433B - - Google Patents

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Info

Publication number
NO129433B
NO129433B NO164369A NO164369A NO129433B NO 129433 B NO129433 B NO 129433B NO 164369 A NO164369 A NO 164369A NO 164369 A NO164369 A NO 164369A NO 129433 B NO129433 B NO 129433B
Authority
NO
Norway
Prior art keywords
current
relay
auxiliary
direct current
pair
Prior art date
Application number
NO164369A
Other languages
English (en)
Norwegian (no)
Inventor
Matic I Puljar
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NO129433B publication Critical patent/NO129433B/no

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
    • H02H3/16—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 fault current to earth, frame or mass
    • H02H3/17—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 fault current to earth, frame or mass by means of an auxiliary voltage injected into the installation to be protected
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
NO164369A 1968-04-22 1969-04-21 NO129433B (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH590368A CH482332A (de) 1968-04-22 1968-04-22 Erdschlussschutzeinrichtung für ein Gleichstromnetz

Publications (1)

Publication Number Publication Date
NO129433B true NO129433B (ru) 1974-04-08

Family

ID=4301273

Family Applications (1)

Application Number Title Priority Date Filing Date
NO164369A NO129433B (ru) 1968-04-22 1969-04-21

Country Status (8)

Country Link
BE (1) BE731830A (ru)
CA (1) CA944434A (ru)
CH (1) CH482332A (ru)
DE (1) DE1918734A1 (ru)
FR (1) FR2006691A1 (ru)
GB (1) GB1270129A (ru)
NL (2) NL6906108A (ru)
NO (1) NO129433B (ru)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2168253C1 (ru) * 2000-03-02 2001-05-27 Южно-Российский государственный технический университет (Новочеркасский политехнический институт) Устройство защиты от замыкания на землю электроустановки постоянного тока
CN110286334A (zh) * 2019-06-25 2019-09-27 哈尔滨锐驰风力发电有限责任公司 一种直流电源模拟接地测试装置
CN114353607B (zh) * 2022-01-19 2023-06-20 北京伊拜科技有限责任公司 无线雷管起爆网路的检测控制方法

Also Published As

Publication number Publication date
NL7512127A (nl) 1976-03-31
FR2006691A1 (ru) 1970-01-02
CA944434A (en) 1974-03-26
NL6906108A (ru) 1969-10-24
CH482332A (de) 1969-11-30
DE1918734A1 (de) 1969-11-06
GB1270129A (en) 1972-04-12
BE731830A (ru) 1969-10-01

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