CH547035A - DEVICE FOR THE SPEED CONTROL OF A DC MOTOR IN WARD-LEONARD CIRCUIT. - Google Patents

DEVICE FOR THE SPEED CONTROL OF A DC MOTOR IN WARD-LEONARD CIRCUIT.

Info

Publication number
CH547035A
CH547035A CH1410972A CH547035DA CH547035A CH 547035 A CH547035 A CH 547035A CH 1410972 A CH1410972 A CH 1410972A CH 547035D A CH547035D A CH 547035DA CH 547035 A CH547035 A CH 547035A
Authority
CH
Switzerland
Prior art keywords
ward
motor
speed control
leonard circuit
leonard
Prior art date
Application number
CH1410972A
Other languages
German (de)
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CH547035A publication Critical patent/CH547035A/en

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
    • H02P7/347—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 in which only the generator field is controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Elevator Control (AREA)
CH1410972A 1971-10-01 1972-09-27 DEVICE FOR THE SPEED CONTROL OF A DC MOTOR IN WARD-LEONARD CIRCUIT. CH547035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46076345A JPS5238206B2 (en) 1971-10-01 1971-10-01

Publications (1)

Publication Number Publication Date
CH547035A true CH547035A (en) 1974-03-15

Family

ID=13602754

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1410972A CH547035A (en) 1971-10-01 1972-09-27 DEVICE FOR THE SPEED CONTROL OF A DC MOTOR IN WARD-LEONARD CIRCUIT.

Country Status (7)

Country Link
JP (1) JPS5238206B2 (en)
CA (1) CA963080A (en)
CH (1) CH547035A (en)
DE (1) DE2247866A1 (en)
FR (1) FR2152331A5 (en)
GB (1) GB1400023A (en)
HK (1) HK75576A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5114644A (en) * 1974-07-29 1976-02-05 Hitachi Ltd Erebeetadendokino kidoseigyohoshiki
JPS5168056A (en) * 1974-12-10 1976-06-12 Mitsubishi Electric Corp Erebeetano sokudoseigyosochi
JPS51139046A (en) * 1975-05-26 1976-12-01 Hitachi Ltd Control device of the alternating current elevator
JPS529819A (en) * 1975-07-14 1977-01-25 Hitachi Ltd Speed controlling device of dc motors
JPS52107526A (en) * 1976-03-08 1977-09-09 Hitachi Ltd Speed controller for dc motor
JPS6050523B2 (en) * 1976-10-15 1985-11-08 三菱電機株式会社 Speed compensation device when rolled material is caught in a rolling mill
JPS546260A (en) * 1977-06-13 1979-01-18 Mitsubishi Electric Corp Device for controlling elevator cage speed
JPS5456114U (en) * 1978-08-30 1979-04-18

Also Published As

Publication number Publication date
GB1400023A (en) 1975-07-16
HK75576A (en) 1976-12-10
JPS5238206B2 (en) 1977-09-28
DE2247866A1 (en) 1973-04-19
JPS4842319A (en) 1973-06-20
CA963080A (en) 1975-02-18
FR2152331A5 (en) 1973-04-20

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Legal Events

Date Code Title Description
PL Patent ceased