GB1151457A - Safety Device for Inverters Supplying Asynchronous Motors - Google Patents

Safety Device for Inverters Supplying Asynchronous Motors

Info

Publication number
GB1151457A
GB1151457A GB4131867A GB4131867A GB1151457A GB 1151457 A GB1151457 A GB 1151457A GB 4131867 A GB4131867 A GB 4131867A GB 4131867 A GB4131867 A GB 4131867A GB 1151457 A GB1151457 A GB 1151457A
Authority
GB
United Kingdom
Prior art keywords
rectifiers
safety device
inverter
sept
asynchronous motors
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.)
Expired
Application number
GB4131867A
Inventor
H Stemmler
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.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
Brown Boveri und Cie AG Switzerland
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 AG Switzerland, Brown Boveri und Cie AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1151457A publication Critical patent/GB1151457A/en
Expired legal-status Critical Current

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
    • H02H7/10—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 converters; for rectifiers
    • H02H7/12—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 converters; for rectifiers for static converters or rectifiers
    • H02H7/122—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters
    • H02H7/1225—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 converters; for rectifiers for static converters or rectifiers for inverters, i.e. dc/ac converters responsive to internal faults, e.g. shoot-through

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
  • Dry Shavers And Clippers (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

1,151,457. Converting. BROWN, BOVERI & CO. Ltd. 11 Sept., 1967 [13 Sept., 1966], No. 41318/67. Heading H2F. A safety device for an inverter supplying an asynchronous motor comprises means 11, responsive to excessive current through smoothing capacitor 5, arranged to simultaneously trigger a number of controlled rectifiers connected in parallel across the D.C. line. In one embodiment, Fig. 1, an A.C.-D.C.-A.C. converter comprises a three-phase bridge inverter 6, 7, 8. An excess current through capacitor 5 triggers circuit 11 to open switch 31 and to provide a trigger pulse for unit 9, Fig. 4, which comprises a monostable circuit 13 and a number of OR gates 14 . . . 19. The output from each OR gate is fed to one of the inverter main rectifiers, e.g. 20, 21, 22, 23 of phase 6 so that switching circuit 13 will fire all rectifiers thus preventing excessive current flowing through any one of them. Auxiliary rectifiers may be fired instead of or in addition to the main ones, Figs. 2, 3 (not shown).
GB4131867A 1966-09-13 1967-09-11 Safety Device for Inverters Supplying Asynchronous Motors Expired GB1151457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1321566A CH468735A (en) 1966-09-13 1966-09-13 Device with inverter for feeding asynchronous motors

Publications (1)

Publication Number Publication Date
GB1151457A true GB1151457A (en) 1969-05-07

Family

ID=4390425

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4131867A Expired GB1151457A (en) 1966-09-13 1967-09-11 Safety Device for Inverters Supplying Asynchronous Motors

Country Status (8)

Country Link
AT (1) AT274963B (en)
BE (1) BE703738A (en)
CH (1) CH468735A (en)
DE (1) DE1488859B2 (en)
GB (1) GB1151457A (en)
NL (1) NL6712404A (en)
NO (1) NO116809B (en)
SE (1) SE377243B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007020419A1 (en) * 2005-08-16 2007-02-22 Trw Limited Motor drive circuit
EP2166635A1 (en) 2008-09-23 2010-03-24 ABB Oy Current measurement in an inverter unit and a frequency converter
EP2634885A1 (en) * 2012-02-29 2013-09-04 ABB Technology Ltd A DC-power system with system protection capabilities

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2242415C2 (en) * 1972-08-29 1982-06-03 Brown, Boveri & Cie Ag, 6800 Mannheim Circuit arrangement for protecting an inverter
DE2632380C3 (en) * 1976-07-19 1982-09-09 Danfoss A/S, 6430 Nordborg Protection circuit arrangement for an inverter
JPS5917620B2 (en) * 1977-02-16 1984-04-23 株式会社日立製作所 Inverter protection device
SE436673B (en) * 1977-12-27 1985-01-14 Tokyo Shibaura Electric Co LIKSPENNINGSAGGREGAT
DE2906556C2 (en) * 1979-02-17 1984-04-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Overcurrent protection arrangement in the event of incorrect summing of a thyristor inverter of a crossover converter
JPS5635838U (en) * 1979-08-28 1981-04-07
US4331994A (en) * 1979-09-28 1982-05-25 Borg-Warner Corporation Shootthrough fault protection system for a voltage source transistor inverter
DE3150394C2 (en) * 1981-02-28 1986-02-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Protection circuit for a flipped thyristor inverter
DE3128638A1 (en) * 1981-07-20 1983-07-07 Loher Gmbh, 8399 Ruhstorf Circuit arrangement for protecting converter components against overvoltages
US4546423A (en) * 1982-02-23 1985-10-08 Tokyo Shibaura Denki Kabushiki Kaisha Multiple inverters with overcurrent and shoot-through protection
DE102019200091B4 (en) * 2019-01-07 2021-07-22 Thyssenkrupp Ag Electronic control device with short-circuit protection for controlling an electric motor of an electromechanical motor vehicle steering system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007020419A1 (en) * 2005-08-16 2007-02-22 Trw Limited Motor drive circuit
US8049363B2 (en) 2005-08-16 2011-11-01 Trw Limited Motor drive circuit
EP2166635A1 (en) 2008-09-23 2010-03-24 ABB Oy Current measurement in an inverter unit and a frequency converter
US8502524B2 (en) 2008-09-23 2013-08-06 Abb Oy Current measurement in an inverter unit and a frequency converter
EP2634885A1 (en) * 2012-02-29 2013-09-04 ABB Technology Ltd A DC-power system with system protection capabilities
WO2013127575A1 (en) * 2012-02-29 2013-09-06 Abb Technology Ltd A dc-power system with system protection capabilities
CN104137372A (en) * 2012-02-29 2014-11-05 Abb技术有限公司 A DC-power system with system protection capabilities
AU2013225292B2 (en) * 2012-02-29 2016-04-21 Abb Technology Ltd A DC-power system with system protection capabilities
CN104137372B (en) * 2012-02-29 2016-10-12 Abb技术有限公司 There is the DC power system of systems protection capability
US9735573B2 (en) 2012-02-29 2017-08-15 Abb Schweiz Ag DC-power system with system protection capabilities

Also Published As

Publication number Publication date
NL6712404A (en) 1968-03-14
BE703738A (en) 1968-02-01
SE377243B (en) 1975-06-23
AT274963B (en) 1969-10-10
CH468735A (en) 1969-02-15
DE1488859A1 (en) 1969-04-03
NO116809B (en) 1969-05-27
DE1488859B2 (en) 1970-06-25

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees