ZA806505B - Protective circuits for converter-supplied d.c. motor - Google Patents

Protective circuits for converter-supplied d.c. motor

Info

Publication number
ZA806505B
ZA806505B ZA00806505A ZA806505A ZA806505B ZA 806505 B ZA806505 B ZA 806505B ZA 00806505 A ZA00806505 A ZA 00806505A ZA 806505 A ZA806505 A ZA 806505A ZA 806505 B ZA806505 B ZA 806505B
Authority
ZA
South Africa
Prior art keywords
converter
supplied
motor
protective circuits
circuits
Prior art date
Application number
ZA00806505A
Other languages
English (en)
Inventor
G Morris
Original Assignee
Harnischfeger Corp
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 Harnischfeger Corp filed Critical Harnischfeger Corp
Publication of ZA806505B publication Critical patent/ZA806505B/xx

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
    • H02H7/08—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 dynamo-electric motors
    • H02H7/0833—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 dynamo-electric motors for electric motors with control arrangements
ZA00806505A 1979-10-30 1980-10-22 Protective circuits for converter-supplied d.c. motor ZA806505B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/089,301 US4309735A (en) 1979-10-30 1979-10-30 Protective circuits for converter-supplied D.C. motor

Publications (1)

Publication Number Publication Date
ZA806505B true ZA806505B (en) 1981-10-28

Family

ID=22216861

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00806505A ZA806505B (en) 1979-10-30 1980-10-22 Protective circuits for converter-supplied d.c. motor

Country Status (8)

Country Link
US (1) US4309735A (fr)
JP (2) JPS5678374A (fr)
AU (1) AU529205B2 (fr)
BR (1) BR8007028A (fr)
CA (1) CA1161109A (fr)
DE (1) DE3040577A1 (fr)
MX (1) MX149004A (fr)
ZA (1) ZA806505B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4469999A (en) * 1981-03-23 1984-09-04 Eaton Corporation Regenerative drive control
US4363064A (en) * 1981-07-27 1982-12-07 The United States Of America As Represented By The Secretary Of The Navy Overcurrent protection system
DE3347106A1 (de) * 1983-12-27 1985-07-04 Garbe Lahmeyer & Co Ag Schaltungsanordnung zur polaritaetsgerechten erfassung der stroeme in einer halbleiter-umrichterbruecke
DE3402954C1 (de) * 1984-01-28 1985-10-17 Aeg-Elotherm Gmbh, 5630 Remscheid UEberstromerfassung bei einem gesteuerten Gleichrichter
US4536686A (en) * 1984-07-26 1985-08-20 Gartner Joseph J Electric motor fault and dynamic braking protection system
US4962337A (en) * 1988-03-31 1990-10-09 Eaton Corporation Express window lift motor shutdown
US5469351A (en) * 1994-07-05 1995-11-21 Ford Motor Company Fault isolation in an induction motor control system
DE4444280C2 (de) * 1994-12-13 1996-10-02 Hennecke Gmbh Maschf Verfahren und Vorrichtung zur Energieversorgung von an einer Kette umlaufenden Arbeitsstationen
DE19730440A1 (de) * 1997-07-16 1999-01-21 Flender Himmelwerk Gmbh Schaltgerät für elektromagnetisch betätigte Baugruppen
US6895176B2 (en) * 2002-09-12 2005-05-17 General Electric Company Method and apparatus for controlling electronically commutated motor operating characteristics
ATE514218T1 (de) * 2004-03-04 2011-07-15 Siemens Ag Schutzgerät für einen verbraucherabzweig
US9741515B1 (en) * 2013-02-19 2017-08-22 Amazon Technologies, Inc. Structures for representation of an operational state
CN106645905B (zh) * 2016-11-11 2023-06-30 大禹电气科技股份有限公司 一种高压变频器输出电压隔离采样电路

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3133209A (en) * 1962-05-14 1964-05-12 Gen Electric Switching circuit utilizing two silicon controlled rectifiers with transient protection for the rectifiers
US3536984A (en) * 1967-01-30 1970-10-27 Gen Electric Polyphase inverter with selfprotection means
US3590350A (en) * 1968-08-30 1971-06-29 Westinghouse Electric Corp Motor control for skip hoist drive systems and the like
US3584282A (en) * 1969-04-01 1971-06-08 Westinghouse Electric Corp Current limiting system for motor control
US3614531A (en) * 1970-08-18 1971-10-19 Joseph V Oswald Shunt means for protecting a power supply against back emf
US3725742A (en) * 1972-02-23 1973-04-03 Gen Electric Static circuit breaker
JPS5512608B2 (fr) * 1972-03-06 1980-04-03
JPS5063434A (fr) * 1973-10-09 1975-05-29
US4039914A (en) * 1975-11-25 1977-08-02 General Electric Company Dynamic braking in controlled current motor drive systems
US4074175A (en) * 1976-04-15 1978-02-14 General Electric Company Inductive load current measuring circuit
JPS5345586U (fr) * 1976-09-22 1978-04-18
JPS5361023A (en) * 1976-11-12 1978-06-01 Toshiba Corp Thyristor converter
US4150325A (en) * 1977-12-02 1979-04-17 General Electric Company Power conversion system having inversion fault detection and correction circuit

Also Published As

Publication number Publication date
DE3040577C2 (fr) 1991-05-02
MX149004A (es) 1983-08-05
CA1161109A (fr) 1984-01-24
JPS5678374A (en) 1981-06-27
DE3040577A1 (de) 1981-05-07
JPS6254594U (fr) 1987-04-04
BR8007028A (pt) 1981-05-05
AU6361080A (en) 1981-05-07
US4309735A (en) 1982-01-05
AU529205B2 (en) 1983-05-26

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