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CA551402A - Adjustable voltage drive - Google Patents

Adjustable voltage drive

Info

Publication number
CA551402A
CA551402A CA551402A CA551402DA CA551402A CA 551402 A CA551402 A CA 551402A CA 551402 A CA551402 A CA 551402A CA 551402D A CA551402D A CA 551402DA CA 551402 A CA551402 A CA 551402A
Authority
CA
Canada
Prior art keywords
voltage drive
adjustable voltage
adjustable
drive
voltage
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
CA551402A
Other languages
French (fr)
Inventor
R. Harding William
Schaelchlin Walter
E. Mathias Gerald
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.)
Publication date
Application granted granted Critical
Publication of CA551402A publication Critical patent/CA551402A/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
    • H02P7/34—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 Ward-Leonard arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
CA551402A 1951-09-06 Adjustable voltage drive Expired CA551402A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA551402T
US245372A US2785362A (en) 1951-09-06 1951-09-06 Adjustable voltage drive

Publications (1)

Publication Number Publication Date
CA551402A true CA551402A (en) 1958-01-07

Family

ID=72848754

Family Applications (1)

Application Number Title Priority Date Filing Date
CA551402A Expired CA551402A (en) 1951-09-06 Adjustable voltage drive

Country Status (2)

Country Link
US (1) US2785362A (en)
CA (1) CA551402A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227217B (en) * 1961-06-27 1966-10-20 Westinghouse Electric Corp Hoist drive with DC motor in Leonard circuit
US3121833A (en) * 1961-06-27 1964-02-18 Westinghouse Electric Corp Ward-leonard adjustable voltage motor hoist drive
US3218536A (en) * 1963-01-25 1965-11-16 Westinghouse Electric Corp System for regulating above-synchronous speed of an a.c. motor
US3407904A (en) * 1964-11-24 1968-10-29 Ingersoll Rand Canada Hoist apparatus including current sensitive motor control means to hold a variably loaded cage chaired
US3297110A (en) * 1965-02-10 1967-01-10 Serge Elevator Company Inc Generator starter used in an elevator motor drive

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2320841A (en) * 1940-10-26 1943-06-01 Westinghouse Electric & Mfg Co Polarized-field generator
US2420873A (en) * 1943-07-03 1947-05-20 Westinghouse Electric Corp "rectox" motor control system

Also Published As

Publication number Publication date
US2785362A (en) 1957-03-12

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