FR2260894A1 - DC motor speed control circuit - uses series chopping transistor with energy recovery to reduce hysteresis - Google Patents

DC motor speed control circuit - uses series chopping transistor with energy recovery to reduce hysteresis

Info

Publication number
FR2260894A1
FR2260894A1 FR7503970A FR7503970A FR2260894A1 FR 2260894 A1 FR2260894 A1 FR 2260894A1 FR 7503970 A FR7503970 A FR 7503970A FR 7503970 A FR7503970 A FR 7503970A FR 2260894 A1 FR2260894 A1 FR 2260894A1
Authority
FR
France
Prior art keywords
motor
control circuit
speed control
motor speed
energy recovery
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.)
Withdrawn
Application number
FR7503970A
Other languages
English (en)
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.)
Simms Group Research and Development Ltd
Original Assignee
Simms Group Research and Development 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 Simms Group Research and Development Ltd filed Critical Simms Group Research and Development Ltd
Publication of FR2260894A1 publication Critical patent/FR2260894A1/fr
Withdrawn legal-status Critical Current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
    • H02P7/29—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 pulse modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
FR7503970A 1974-02-08 1975-02-07 DC motor speed control circuit - uses series chopping transistor with energy recovery to reduce hysteresis Withdrawn FR2260894A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB582474 1974-02-08

Publications (1)

Publication Number Publication Date
FR2260894A1 true FR2260894A1 (en) 1975-09-05

Family

ID=9803293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7503970A Withdrawn FR2260894A1 (en) 1974-02-08 1975-02-07 DC motor speed control circuit - uses series chopping transistor with energy recovery to reduce hysteresis

Country Status (3)

Country Link
JP (1) JPS50110020A (fr)
FR (1) FR2260894A1 (fr)
IT (1) IT1029492B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5564649A (en) * 1978-11-08 1980-05-15 Hitachi Denshi Ltd Direct-current motor control circuit of video tape recorder

Also Published As

Publication number Publication date
IT1029492B (it) 1979-03-10
JPS50110020A (fr) 1975-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse