DK465381A - FLOOD PROTECTION DEVICES - Google Patents

FLOOD PROTECTION DEVICES

Info

Publication number
DK465381A
DK465381A DK465381A DK465381A DK465381A DK 465381 A DK465381 A DK 465381A DK 465381 A DK465381 A DK 465381A DK 465381 A DK465381 A DK 465381A DK 465381 A DK465381 A DK 465381A
Authority
DK
Denmark
Prior art keywords
protection devices
flood protection
flood
devices
protection
Prior art date
Application number
DK465381A
Other languages
Danish (da)
Inventor
I F Smart
T Burgess
Original Assignee
Ellison G
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 Ellison G filed Critical Ellison G
Publication of DK465381A publication Critical patent/DK465381A/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
    • H02H3/08—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 excess current
    • H02H3/093—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 excess current with timing means
    • H02H3/0935—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 excess current with timing means the timing being determined by numerical 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
    • H02H3/08—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 excess current
    • H02H3/10—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 excess current additionally responsive to some other abnormal electrical conditions
    • H02H3/105—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 excess current additionally responsive to some other abnormal electrical conditions responsive to excess current and fault current to earth
DK465381A 1980-02-23 1981-10-21 FLOOD PROTECTION DEVICES DK465381A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8006199 1980-02-23
PCT/GB1981/000026 WO1981002496A1 (en) 1980-02-23 1981-02-23 Overcurrent protection devices

Publications (1)

Publication Number Publication Date
DK465381A true DK465381A (en) 1981-10-21

Family

ID=10511631

Family Applications (1)

Application Number Title Priority Date Filing Date
DK465381A DK465381A (en) 1980-02-23 1981-10-21 FLOOD PROTECTION DEVICES

Country Status (4)

Country Link
EP (1) EP0047749A1 (en)
JP (1) JPS57500313A (en)
DK (1) DK465381A (en)
WO (1) WO1981002496A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ196611A (en) * 1980-04-15 1985-07-31 Westinghouse Electric Corp Microprocessor control of interrupter trip functions
DE3137496C2 (en) * 1981-09-21 1990-01-25 Siemens AG, 1000 Berlin und 8000 München Digital overcurrent release
JPS58172927A (en) * 1982-04-02 1983-10-11 株式会社日立製作所 Overload protecting device
DE3311240A1 (en) * 1982-04-05 1983-10-13 Siemens-Allis, Inc., 30338 Atlanta, Ga. Monitoring apparatus with a switching device
CA1193317A (en) * 1982-05-07 1985-09-10 Canadian General Electric Company Limited Thermal model for electrical apparatus
FR2578092B1 (en) * 1985-02-25 1987-03-06 Merlin Gerin CIRCUIT BREAKER WITH STATIC TRIGGER WITH SAMPLING AND LOCK AT THE LAST SIGNAL CRETE
FR2578113B1 (en) * 1985-02-25 1988-04-15 Merlin Gerin DIGITAL STATIC TRIGGER WITH OPTIONAL FUNCTIONS FOR AN ELECTRIC CIRCUIT BREAKER
FR2578112B1 (en) * 1985-02-25 1988-03-18 Merlin Gerin CIRCUIT BREAKER WITH STATIC TRIGGER WITH DIGITAL PROCESSING CHAIN SHUNTE BY AN ANALOGUE PROCESSING CHAIN
FR2578090B1 (en) * 1985-02-25 1989-12-01 Merlin Gerin CIRCUIT BREAKER WITH DIGITAL STATIC TRIGGER WITH REVERSE TIME TRIGGERING FUNCTION
EP0222688A3 (en) * 1985-11-08 1989-03-01 Siemens Aktiengesellschaft Device for remote-controlled modification of tripping values of a switchgear and procedure for converting a switchgear
US4967304A (en) * 1988-10-11 1990-10-30 General Electric Company Digital circuit interrupter with electric motor trip parameters
FR2691302B1 (en) * 1992-05-12 1997-04-04 Merlin Gerin ELECTRONIC TRIGGER COMPRISING A CORRECTION DEVICE.
JPH1042452A (en) * 1996-07-25 1998-02-13 Hitachi Ltd Circuit breaker
US6011416A (en) * 1997-02-19 2000-01-04 Harness System Technologies Research Ltd. Switch circuit having excess-current detection function
DE10244749B3 (en) * 2002-09-25 2004-04-08 Siemens Ag Circuit arrangement for limiting overvoltages in power semiconductor components and method for controlling a power semiconductor component
WO2012056287A2 (en) * 2010-10-28 2012-05-03 Abb Technology Ltd A protection relay for sensitive earth fault prtection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017766A (en) * 1975-08-04 1977-04-12 Westinghouse Electric Corporation Inverse time-overcurrent relay using successive linear approximations
ES468764A1 (en) * 1978-04-13 1979-10-01 Arteche Instr Sistemas A new delayed action electrical protection device, depending on an adjusted magnitude.
GB2020124B (en) * 1978-04-27 1982-08-25 Tokyo Shibaura Electric Co Overcurrent protection

Also Published As

Publication number Publication date
JPS57500313A (en) 1982-02-18
WO1981002496A1 (en) 1981-09-03
EP0047749A1 (en) 1982-03-24

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment