NL158662B - ELECTRICAL PROTECTION DEVICE. - Google Patents

ELECTRICAL PROTECTION DEVICE.

Info

Publication number
NL158662B
NL158662B NL6702747A NL6702747A NL158662B NL 158662 B NL158662 B NL 158662B NL 6702747 A NL6702747 A NL 6702747A NL 6702747 A NL6702747 A NL 6702747A NL 158662 B NL158662 B NL 158662B
Authority
NL
Netherlands
Prior art keywords
protection device
electrical protection
electrical
protection
Prior art date
Application number
NL6702747A
Other languages
Dutch (nl)
Other versions
NL6702747A (en
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 NL6702747A publication Critical patent/NL6702747A/xx
Publication of NL158662B publication Critical patent/NL158662B/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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/265—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents responsive to phase angle between voltages or between currents
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00—Details of emergency protective circuit arrangements
    • H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/28—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus
    • H02H3/30—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel
    • H02H3/302—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving phase comparison

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
NL6702747A 1966-04-29 1967-02-23 ELECTRICAL PROTECTION DEVICE. NL158662B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH627166A CH438465A (en) 1966-04-29 1966-04-29 Short-circuit protection device

Publications (2)

Publication Number Publication Date
NL6702747A NL6702747A (en) 1967-10-30
NL158662B true NL158662B (en) 1978-11-15

Family

ID=4306951

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6702747A NL158662B (en) 1966-04-29 1967-02-23 ELECTRICAL PROTECTION DEVICE.

Country Status (5)

Country Link
BE (1) BE697723A (en)
CH (1) CH438465A (en)
DE (1) DE1538286B2 (en)
NL (1) NL158662B (en)
SE (1) SE329430B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2778033B1 (en) * 1998-04-28 2000-07-13 Legrand Sa CURRENT LEVEL DETECTION DEVICE FOR PROTECTING A CIRCUIT AGAINST AC CURRENT

Also Published As

Publication number Publication date
DE1538286A1 (en) 1970-02-19
BE697723A (en) 1967-10-02
SE329430B (en) 1970-10-12
NL6702747A (en) 1967-10-30
CH438465A (en) 1967-06-30
DE1538286B2 (en) 1971-03-18

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: BBC