GB1225636A - - Google Patents

Info

Publication number
GB1225636A
GB1225636A GB1225636DA GB1225636A GB 1225636 A GB1225636 A GB 1225636A GB 1225636D A GB1225636D A GB 1225636DA GB 1225636 A GB1225636 A GB 1225636A
Authority
GB
United Kingdom
Prior art keywords
motor
switch
amplifier
output
feedback path
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
Other languages
English (en)
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 filed Critical
Publication of GB1225636A publication Critical patent/GB1225636A/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
    • H02P7/285—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
    • H02P7/2855—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 whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Multiple Motors (AREA)
GB1225636D 1968-05-16 1968-05-16 Expired GB1225636A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2334368 1968-05-16

Publications (1)

Publication Number Publication Date
GB1225636A true GB1225636A (enrdf_load_stackoverflow) 1971-03-17

Family

ID=10194106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1225636D Expired GB1225636A (enrdf_load_stackoverflow) 1968-05-16 1968-05-16

Country Status (1)

Country Link
GB (1) GB1225636A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945952A1 (de) * 1979-11-14 1981-05-27 Leybold-Heraeus GmbH, 5000 Köln Verfahren und vorrichtung zur messung der drehzahl des rotors einer vakuumpumpe, vorzugsweise turbomolekularvakuumpumpe
WO2006107503A1 (en) * 2005-03-31 2006-10-12 Wayne-Dalton Corp. Electric motor control circuit having reduced electromagnetic interference emissions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945952A1 (de) * 1979-11-14 1981-05-27 Leybold-Heraeus GmbH, 5000 Köln Verfahren und vorrichtung zur messung der drehzahl des rotors einer vakuumpumpe, vorzugsweise turbomolekularvakuumpumpe
WO2006107503A1 (en) * 2005-03-31 2006-10-12 Wayne-Dalton Corp. Electric motor control circuit having reduced electromagnetic interference emissions

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee