JPS4916429A - - Google Patents

Info

Publication number
JPS4916429A
JPS4916429A JP12124872A JP12124872A JPS4916429A JP S4916429 A JPS4916429 A JP S4916429A JP 12124872 A JP12124872 A JP 12124872A JP 12124872 A JP12124872 A JP 12124872A JP S4916429 A JPS4916429 A JP S4916429A
Authority
JP
Japan
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.)
Pending
Application number
JP12124872A
Other languages
Japanese (ja)
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 JPS4916429A publication Critical patent/JPS4916429A/ja
Pending 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
    • H02P7/288—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 variable impedance
    • H02P7/2885—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 variable impedance 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 Direct Current Motors (AREA)
JP12124872A 1972-03-25 1972-12-05 Pending JPS4916429A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2237672A IT950751B (it) 1972-03-25 1972-03-25 Circuito elettronico a transistore di potenza per la tratura e varia zione lineare di velocita a coppia costante di motore a collettore par ticolarmente per cineproiettori

Publications (1)

Publication Number Publication Date
JPS4916429A true JPS4916429A (enrdf_load_stackoverflow) 1974-02-13

Family

ID=11195424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12124872A Pending JPS4916429A (enrdf_load_stackoverflow) 1972-03-25 1972-12-05

Country Status (6)

Country Link
JP (1) JPS4916429A (enrdf_load_stackoverflow)
BE (1) BE789997A (enrdf_load_stackoverflow)
DE (1) DE2248378A1 (enrdf_load_stackoverflow)
FR (1) FR2178518A5 (enrdf_load_stackoverflow)
IT (1) IT950751B (enrdf_load_stackoverflow)
NL (1) NL7214375A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE2248378A1 (de) 1973-09-27
BE789997A (fr) 1973-02-01
NL7214375A (enrdf_load_stackoverflow) 1973-09-27
FR2178518A5 (enrdf_load_stackoverflow) 1973-11-09
IT950751B (it) 1973-06-20

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