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AU2020370A - Improvements in or relating to control means for electric motors operated from batteries - Google Patents

Improvements in or relating to control means for electric motors operated from batteries

Info

Publication number
AU2020370A
AU2020370A AU20203/70A AU2020370A AU2020370A AU 2020370 A AU2020370 A AU 2020370A AU 20203/70 A AU20203/70 A AU 20203/70A AU 2020370 A AU2020370 A AU 2020370A AU 2020370 A AU2020370 A AU 2020370A
Authority
AU
Australia
Prior art keywords
batteries
relating
control means
electric motors
motors operated
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
AU20203/70A
Inventor
John Morton
Keith Drummond Stevens
Graham Spencer Thexton
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.)
Cableform Ltd
Original Assignee
Cableform 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 Cableform Ltd filed Critical Cableform Ltd
Publication of AU2020370A publication Critical patent/AU2020370A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • 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
    • H02P7/29—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 pulse modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
AU20203/70A 1969-09-23 1970-09-22 Improvements in or relating to control means for electric motors operated from batteries Expired AU2020370A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB4672769 1969-09-23
GB574170 1970-02-06
GB599070 1970-02-07
GB718870 1970-02-14

Publications (1)

Publication Number Publication Date
AU2020370A true AU2020370A (en) 1972-03-23

Family

ID=27447468

Family Applications (1)

Application Number Title Priority Date Filing Date
AU20203/70A Expired AU2020370A (en) 1969-09-23 1970-09-22 Improvements in or relating to control means for electric motors operated from batteries

Country Status (4)

Country Link
AU (1) AU2020370A (en)
DE (1) DE2047844A1 (en)
FR (1) FR2062554A5 (en)
SE (1) SE386409B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997011582A1 (en) * 1995-09-20 1997-03-27 Robert Bosch Gmbh Thermally-protected control apparatus containing electrical components
DE10344301A1 (en) * 2003-09-23 2005-04-28 Karl Preis Control circuit and method for controlling an inductive electrical load

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282193B (en) * 1963-07-18 1968-11-07 Licentia Gmbh Protection arrangement against overload of controllable semiconductor rectifiers
US3414741A (en) * 1965-03-12 1968-12-03 Sperry Rand Corp Control systems
DE1438792B2 (en) * 1965-10-29 1970-11-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt "Method and arrangement for generating setpoints for the current control of a pulse-controlled converter
GB1267345A (en) * 1968-04-11 1972-03-15 Westinghouse Brake & Signal Improvements to duty cycle control apparatus

Also Published As

Publication number Publication date
DE2047844A1 (en) 1971-06-09
SE386409B (en) 1976-08-09
FR2062554A5 (en) 1971-06-25

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