GB1239665A - - Google Patents

Info

Publication number
GB1239665A
GB1239665A GB1808969A GB1239665DA GB1239665A GB 1239665 A GB1239665 A GB 1239665A GB 1808969 A GB1808969 A GB 1808969A GB 1239665D A GB1239665D A GB 1239665DA GB 1239665 A GB1239665 A GB 1239665A
Authority
GB
United Kingdom
Prior art keywords
chopper
load
choppers
energized
current
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
GB1808969A
Other languages
English (en)
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 filed Critical
Publication of GB1239665A publication Critical patent/GB1239665A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L9/00—Electric propulsion with power supply external to the vehicle
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Multiple Motors (AREA)
GB1808969A 1969-04-09 1969-04-09 Expired GB1239665A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1808969 1969-04-09

Publications (1)

Publication Number Publication Date
GB1239665A true GB1239665A (ko) 1971-07-21

Family

ID=10106477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1808969A Expired GB1239665A (ko) 1969-04-09 1969-04-09

Country Status (1)

Country Link
GB (1) GB1239665A (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026048A1 (en) * 1979-09-11 1981-04-01 Towmotor Corporation Method of and means for controlling operation of electric devices
EP1480847A1 (en) * 2002-02-27 2004-12-01 Railpower Technologies Corp. Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0026048A1 (en) * 1979-09-11 1981-04-01 Towmotor Corporation Method of and means for controlling operation of electric devices
EP1480847A1 (en) * 2002-02-27 2004-12-01 Railpower Technologies Corp. Sequenced pulse width modulation method and apparatus for controlling and powering a plurality of direct current motors

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years