CH482332A - Earth fault protection device for a direct current network - Google Patents

Earth fault protection device for a direct current network

Info

Publication number
CH482332A
CH482332A CH590368A CH590368A CH482332A CH 482332 A CH482332 A CH 482332A CH 590368 A CH590368 A CH 590368A CH 590368 A CH590368 A CH 590368A CH 482332 A CH482332 A CH 482332A
Authority
CH
Switzerland
Prior art keywords
direct current
protection device
current network
earth fault
fault protection
Prior art date
Application number
CH590368A
Other languages
German (de)
Inventor
Ivo Dipl Ing Puljar-Matic
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
Priority to CH590368A priority Critical patent/CH482332A/en
Priority to DE19691918734 priority patent/DE1918734A1/en
Priority to GB2029169A priority patent/GB1270129A/en
Priority to NL6906108A priority patent/NL6906108A/xx
Priority to CA049,336A priority patent/CA944434A/en
Priority to BE731830D priority patent/BE731830A/xx
Priority to NO164369A priority patent/NO129433B/no
Priority to FR6912548A priority patent/FR2006691A1/fr
Publication of CH482332A publication Critical patent/CH482332A/en
Priority to NL7512127A priority patent/NL7512127A/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
    • H02H3/16—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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
CH590368A 1968-04-22 1968-04-22 Earth fault protection device for a direct current network CH482332A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CH590368A CH482332A (en) 1968-04-22 1968-04-22 Earth fault protection device for a direct current network
DE19691918734 DE1918734A1 (en) 1968-04-22 1969-04-12 Earth fault protection device for DC circuits
GB2029169A GB1270129A (en) 1968-04-22 1969-04-21 Earth fault detection circuitry
NL6906108A NL6906108A (en) 1968-04-22 1969-04-21
CA049,336A CA944434A (en) 1968-04-22 1969-04-21 Earth fault detection circuitry
BE731830D BE731830A (en) 1968-04-22 1969-04-21
NO164369A NO129433B (en) 1968-04-22 1969-04-21
FR6912548A FR2006691A1 (en) 1968-04-22 1969-04-22
NL7512127A NL7512127A (en) 1968-04-22 1975-10-16 DEVICE FOR PROTECTING A DC NETWORK AGAINST EARTH CIRCUITS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH590368A CH482332A (en) 1968-04-22 1968-04-22 Earth fault protection device for a direct current network

Publications (1)

Publication Number Publication Date
CH482332A true CH482332A (en) 1969-11-30

Family

ID=4301273

Family Applications (1)

Application Number Title Priority Date Filing Date
CH590368A CH482332A (en) 1968-04-22 1968-04-22 Earth fault protection device for a direct current network

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2168253C1 (en) * 2000-03-02 2001-05-27 Южно-Российский государственный технический университет (Новочеркасский политехнический институт) Ground-fault protective device of dc electrical installation
CN110286334A (en) * 2019-06-25 2019-09-27 哈尔滨锐驰风力发电有限责任公司 A kind of DC power supply simulation grounding test device
CN114353607B (en) * 2022-01-19 2023-06-20 北京伊拜科技有限责任公司 Detection control method for wireless detonator priming circuit

Also Published As

Publication number Publication date
GB1270129A (en) 1972-04-12
NO129433B (en) 1974-04-08
NL6906108A (en) 1969-10-24
DE1918734A1 (en) 1969-11-06
CA944434A (en) 1974-03-26
FR2006691A1 (en) 1970-01-02
BE731830A (en) 1969-10-01
NL7512127A (en) 1976-03-31

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Legal Events

Date Code Title Description
PL Patent ceased