ZA721911B - Motor control - Google Patents

Motor control

Info

Publication number
ZA721911B
ZA721911B ZA721911A ZA721911A ZA721911B ZA 721911 B ZA721911 B ZA 721911B ZA 721911 A ZA721911 A ZA 721911A ZA 721911 A ZA721911 A ZA 721911A ZA 721911 B ZA721911 B ZA 721911B
Authority
ZA
South Africa
Prior art keywords
motor control
motor
control
Prior art date
Application number
ZA721911A
Inventor
D Shelley
Original Assignee
Standard Telephones Cables 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 Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd
Publication of ZA721911B publication Critical patent/ZA721911B/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
    • H02P7/24—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
    • H02P7/292—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 static converters, e.g. AC to DC
    • H02P7/295—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 static converters, e.g. AC to DC of the kind having one thyristor or the like in series with the power supply and the motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
ZA721911A 1971-04-16 1972-03-20 Motor control ZA721911B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB958471 1971-04-16

Publications (1)

Publication Number Publication Date
ZA721911B true ZA721911B (en) 1972-12-27

Family

ID=9874830

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721911A ZA721911B (en) 1971-04-16 1972-03-20 Motor control

Country Status (2)

Country Link
GB (1) GB1303005A (en)
ZA (1) ZA721911B (en)

Also Published As

Publication number Publication date
GB1303005A (en) 1973-01-17

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