GB9520859D0 - Electric power switching arrangements - Google Patents

Electric power switching arrangements

Info

Publication number
GB9520859D0
GB9520859D0 GBGB9520859.1A GB9520859A GB9520859D0 GB 9520859 D0 GB9520859 D0 GB 9520859D0 GB 9520859 A GB9520859 A GB 9520859A GB 9520859 D0 GB9520859 D0 GB 9520859D0
Authority
GB
United Kingdom
Prior art keywords
electric power
power switching
switching arrangements
arrangements
electric
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB9520859.1A
Other versions
GB2294166A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CALEDON CONTROLS Ltd
Original Assignee
CALEDON CONTROLS Ltd
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 CALEDON CONTROLS Ltd filed Critical CALEDON CONTROLS Ltd
Publication of GB9520859D0 publication Critical patent/GB9520859D0/en
Publication of GB2294166A publication Critical patent/GB2294166A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
    • H02H9/002—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off limiting inrush current on switching on of inductive loads subjected to remanence, e.g. transformers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
GB9520859A 1994-10-12 1995-10-12 AC electric power switching arrangement; avoiding inrush currents in inductive loads Withdrawn GB2294166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9420860A GB9420860D0 (en) 1994-10-12 1994-10-12 Electric power switching arrangement

Publications (2)

Publication Number Publication Date
GB9520859D0 true GB9520859D0 (en) 1995-12-13
GB2294166A GB2294166A (en) 1996-04-17

Family

ID=10762943

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9420860A Pending GB9420860D0 (en) 1994-10-12 1994-10-12 Electric power switching arrangement
GB9520859A Withdrawn GB2294166A (en) 1994-10-12 1995-10-12 AC electric power switching arrangement; avoiding inrush currents in inductive loads

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9420860A Pending GB9420860D0 (en) 1994-10-12 1994-10-12 Electric power switching arrangement

Country Status (1)

Country Link
GB (2) GB9420860D0 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10004556C2 (en) * 2000-02-02 2003-11-27 Ald Vacuum Techn Ag Arrangement for detecting faults in an electrical heater
GB0014752D0 (en) 2000-06-17 2000-08-09 Alstom Improvements in electric trains
US7317264B2 (en) * 2003-11-25 2008-01-08 Eaton Corporation Method and apparatus to independently control contactors in a multiple contactor configuration
JP6468114B2 (en) * 2015-08-04 2019-02-13 住友電気工業株式会社 Power supply device and switch control method thereof
US10411694B2 (en) 2016-07-22 2019-09-10 Abb Schweiz Ag Solid state switch system
US10554201B2 (en) 2016-07-22 2020-02-04 Abb Schweiz Ag Solid state switch system
US11469757B2 (en) 2020-10-16 2022-10-11 Abb Schweiz Ag Solid-state power switch
US11641103B2 (en) 2020-11-06 2023-05-02 Abb Schweiz Ag Power semiconductor switch clamping circuit
US11955900B2 (en) 2021-06-30 2024-04-09 Abb Schweiz Ag Soft turn-off for motor controllers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068273A (en) * 1976-01-08 1978-01-10 International Telephone And Telegraph Corporation Hybrid power switch
US4356525A (en) * 1981-01-05 1982-10-26 General Electric Company Method and circuit for controlling a hybrid contactor
US4445183A (en) * 1981-12-23 1984-04-24 Rockwell International Corporation Electrical switch
DE3701588A1 (en) * 1987-01-21 1988-08-04 Diehl Gmbh & Co SWITCHING DEVICE FOR AN INDUCTIVE LOAD
FR2696062B1 (en) * 1992-09-23 1994-12-09 Sgs Thomson Microelectronics Controlled electrical power switch and method for switching an electrical power circuit.
GB2284100A (en) * 1993-11-12 1995-05-24 Caradon Mk Electric Ltd Electrical switch

Also Published As

Publication number Publication date
GB9420860D0 (en) 1994-11-30
GB2294166A (en) 1996-04-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)