FR2017934A1 - - Google Patents

Info

Publication number
FR2017934A1
FR2017934A1 FR6931198A FR6931198A FR2017934A1 FR 2017934 A1 FR2017934 A1 FR 2017934A1 FR 6931198 A FR6931198 A FR 6931198A FR 6931198 A FR6931198 A FR 6931198A FR 2017934 A1 FR2017934 A1 FR 2017934A1
Authority
FR
France
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Withdrawn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
FR6931198A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2017934A1 publication Critical patent/FR2017934A1/fr
Withdrawn legal-status Critical Current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
    • H02H7/08—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/292—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC
    • H02P7/293—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC using phase control
    • 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
    • H02H7/085—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 against excessive load
    • H02H7/0856—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 against excessive load characterised by the protection measure taken
    • H02H7/0858—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 against excessive load characterised by the protection measure taken by reversing, cycling or reducing the power supply to the motor
FR6931198A 1968-09-12 1969-09-12 Withdrawn FR2017934A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75927668A 1968-09-12 1968-09-12

Publications (1)

Publication Number Publication Date
FR2017934A1 true FR2017934A1 (fr) 1970-05-22

Family

ID=25055057

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6931198A Withdrawn FR2017934A1 (fr) 1968-09-12 1969-09-12

Country Status (3)

Country Link
US (1) US3551775A (fr)
JP (1) JPS5126965B1 (fr)
FR (1) FR2017934A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA905527A (en) * 1970-11-12 1972-07-18 Canadian Westinghouse Company Limited Twin double drum hoisting system
US3688167A (en) * 1970-11-19 1972-08-29 Westinghouse Electric Corp Slave current control system for a plurality of electric motors coupled to a common load
DE2127961C2 (de) * 1971-05-06 1983-10-27 BBC Aktiengesellschaft Brown, Boveri & Cie., 5401 Baden, Aargau Regeleinrichtung für den elektromotorischen Antrieb von Schienenfahrzeugen
US3845366A (en) * 1971-07-22 1974-10-29 Fincor Inc Integrated drive system
JPS5414388B2 (fr) * 1973-03-28 1979-06-06
US3927359A (en) * 1973-11-15 1975-12-16 Gen Motors Corp Engine starter motor control for preventing damage during hydraulic lock
US3983464A (en) * 1974-05-13 1976-09-28 Westinghouse Electric Corporation Direct current motor speed control apparatus
US3931557A (en) * 1974-11-13 1976-01-06 General Motors Corporation DC Motor stall protection circuit
SE393909B (sv) * 1975-09-24 1977-05-23 Asea Ab Stromriktare for anslutning till en vexelspenning och med likstromsuttag for anslutning till en belastning med en varierande emk
US4263535A (en) * 1978-09-29 1981-04-21 Bucyrus-Erie Company Motor drive system for an electric mining shovel
US4357729A (en) * 1981-01-26 1982-11-09 Whirlpool Corporation Vacuum cleaner control
JPS6146186A (ja) * 1984-08-07 1986-03-06 Mitsubishi Electric Corp 速度制御方法
US4740732A (en) * 1986-09-03 1988-04-26 Hewlett-Packard Company Adaptive rewind for tape drive
US4963810A (en) * 1989-10-27 1990-10-16 Archive Corporation Variable load motor drive control
ZA929635B (en) * 1991-12-23 1993-06-08 Eimco Mining Mach Differential speed control of electric motors.
DE4432059A1 (de) * 1994-09-09 1996-03-14 Bosch Gmbh Robert Schaltung zum Betreiben eines Elektromotors
US5747973A (en) * 1996-12-11 1998-05-05 Shop Vac Corporation Current regulating switch circuit
US7486489B2 (en) * 2003-05-13 2009-02-03 Siemens Canada Limited System and method for speed control and stall protection combination for electric motors such as in engine cooling applications

Also Published As

Publication number Publication date
US3551775A (en) 1970-12-29
JPS5126965B1 (fr) 1976-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse