GB1587464A - Transit vehicle chopper control apparatus and method - Google Patents

Transit vehicle chopper control apparatus and method Download PDF

Info

Publication number
GB1587464A
GB1587464A GB30014/77A GB3001477A GB1587464A GB 1587464 A GB1587464 A GB 1587464A GB 30014/77 A GB30014/77 A GB 30014/77A GB 3001477 A GB3001477 A GB 3001477A GB 1587464 A GB1587464 A GB 1587464A
Authority
GB
United Kingdom
Prior art keywords
motor
chopper
signal
phase angle
speed
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
GB30014/77A
Other languages
English (en)
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.)
Westinghouse Electric 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
Priority claimed from US05/709,687 external-priority patent/US4090115A/en
Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1587464A publication Critical patent/GB1587464A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H02P7/281—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 the DC motor being operated in four quadrants
    • H02P7/2815—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 the DC motor being operated in four quadrants whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/22—Dynamic electric resistor braking, combined with dynamic electric regenerative braking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Control Of Direct Current Motors (AREA)
GB30014/77A 1976-07-29 1977-07-18 Transit vehicle chopper control apparatus and method Expired GB1587464A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70968676A 1976-07-29 1976-07-29
US05/709,687 US4090115A (en) 1976-07-29 1976-07-29 Transit vehicle chopper control apparatus and method

Publications (1)

Publication Number Publication Date
GB1587464A true GB1587464A (en) 1981-04-01

Family

ID=27108298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30014/77A Expired GB1587464A (en) 1976-07-29 1977-07-18 Transit vehicle chopper control apparatus and method

Country Status (4)

Country Link
BR (1) BR7704910A (enExample)
FR (1) FR2360209A1 (enExample)
GB (1) GB1587464A (enExample)
IT (1) IT1077939B (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3855520A (en) * 1972-12-22 1974-12-17 Allis Chalmers Control having conduction limit means to vary duty cycle of power switch
CA1021393A (en) * 1974-04-17 1977-11-22 Hiroshi Narita Electric braking control apparatus for dc motor

Also Published As

Publication number Publication date
IT1077939B (it) 1985-05-04
FR2360209A1 (fr) 1978-02-24
BR7704910A (pt) 1978-06-06
FR2360209B1 (enExample) 1981-07-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee