HK75576A - Ward leonard speed control systems for d.c. motors - Google Patents

Ward leonard speed control systems for d.c. motors

Info

Publication number
HK75576A
HK75576A HK755/76*UA HK75576A HK75576A HK 75576 A HK75576 A HK 75576A HK 75576 A HK75576 A HK 75576A HK 75576 A HK75576 A HK 75576A
Authority
HK
Hong Kong
Prior art keywords
motors
speed control
control systems
ward leonard
leonard speed
Prior art date
Application number
HK755/76*UA
Other languages
English (en)
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 HK75576A publication Critical patent/HK75576A/xx

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)
HK755/76*UA 1971-10-01 1976-12-02 Ward leonard speed control systems for d.c. motors HK75576A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK75576A true HK75576A (en) 1976-12-10

Family

ID=13602754

Family Applications (1)

Application Number Title Priority Date Filing Date
HK755/76*UA HK75576A (en) 1971-10-01 1976-12-02 Ward leonard speed control systems for d.c. motors

Country Status (7)

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

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 (ja) * 1976-10-15 1985-11-08 三菱電機株式会社 圧延機における被圧延材噛込時の速度補償装置
JPS546260A (en) * 1977-06-13 1979-01-18 Mitsubishi Electric Corp Device for controlling elevator cage speed
JPS5456114U (zh) * 1978-08-30 1979-04-18

Also Published As

Publication number Publication date
GB1400023A (en) 1975-07-16
JPS5238206B2 (zh) 1977-09-28
DE2247866A1 (de) 1973-04-19
JPS4842319A (zh) 1973-06-20
CA963080A (en) 1975-02-18
CH547035A (de) 1974-03-15
FR2152331A5 (zh) 1973-04-20

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