DK68075A - - Google Patents

Info

Publication number
DK68075A
DK68075A DK68075A DK68075A DK68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A DK 68075 A DK68075 A DK 68075A
Authority
DK
Denmark
Application number
DK68075A
Inventor
R Schilling
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 DK68075A publication Critical patent/DK68075A/da

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • 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
    • H02H3/283—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 and taking into account saturation of current transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Protection Of Static Devices (AREA)
DK68075A 1974-02-27 1975-02-21 DK68075A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH274674A CH577762A5 (da) 1974-02-27 1974-02-27

Publications (1)

Publication Number Publication Date
DK68075A true DK68075A (da) 1975-10-27

Family

ID=4240670

Family Applications (1)

Application Number Title Priority Date Filing Date
DK68075A DK68075A (da) 1974-02-27 1975-02-21

Country Status (10)

Country Link
AT (1) AT346960B (da)
BE (1) BE825874A (da)
CH (1) CH577762A5 (da)
DE (1) DE2413399A1 (da)
DK (1) DK68075A (da)
ES (1) ES435029A1 (da)
FR (1) FR2262428A1 (da)
IT (1) IT1033141B (da)
NL (1) NL183001C (da)
SE (1) SE407316B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173774A (en) * 1977-12-08 1979-11-06 Westinghouse Electric Corp. Parallel AC electrical system with differential protection immune to high current through faults
AT384325B (de) * 1986-03-20 1987-10-27 Bbc Ag Oesterr Erdschlusssammelschienenschutz
JPH06225448A (ja) * 1992-12-04 1994-08-12 Fuji Electric Co Ltd 母線保護方法
FR2990305B1 (fr) 2012-05-07 2015-11-20 Ece Procede de protection d'un boitier de distribution d'energie electrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT271610B (de) * 1966-06-08 1969-06-10 Siemens Gmbh Differentialschutzeinrichtung für elektrische Anlagen mit zwei oder mehreren Abzweigen
DE2216377B2 (de) * 1972-03-30 1974-09-12 Siemens Ag Differentialschutz

Also Published As

Publication number Publication date
FR2262428A1 (en) 1975-09-19
SE7501981L (da) 1975-08-29
AT346960B (de) 1978-12-11
IT1033141B (it) 1979-07-10
NL183001C (nl) 1988-06-16
SE407316B (sv) 1979-03-19
FR2262428B1 (da) 1982-03-05
DE2413399A1 (de) 1975-09-04
AU7847975A (en) 1976-08-26
CH577762A5 (da) 1976-07-15
ES435029A1 (es) 1976-12-16
ATA139875A (de) 1977-04-15
BE825874A (fr) 1975-06-16
NL7502359A (nl) 1975-08-29
DE2413399C2 (da) 1989-04-20
NL183001B (nl) 1988-01-18

Similar Documents

Publication Publication Date Title
FR2284025B1 (da)
JPS50119147A (da)
FR2261442B1 (da)
FR2262428B1 (da)
FR2259106B1 (da)
FR2285957B1 (da)
JPS50105924U (da)
FR2259747B1 (da)
AU495920B2 (da)
JPS50102874U (da)
JPS50121783U (da)
CS166615B1 (da)
JPS50107841U (da)
AU482284A (da)
CH570449A5 (da)
CH574753A5 (da)
CH574334A5 (da)
CH572117A5 (da)
CH1006875A4 (da)
CH571715A5 (da)
BG27051A3 (da)
CH571689A5 (da)
BG20437A1 (da)
BG27087A3 (da)
CH578278A5 (da)

Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment