JPS5743582A - Induction electromotive force detection device for dc motor - Google Patents

Induction electromotive force detection device for dc motor

Info

Publication number
JPS5743582A
JPS5743582A JP55117098A JP11709880A JPS5743582A JP S5743582 A JPS5743582 A JP S5743582A JP 55117098 A JP55117098 A JP 55117098A JP 11709880 A JP11709880 A JP 11709880A JP S5743582 A JPS5743582 A JP S5743582A
Authority
JP
Japan
Prior art keywords
motor
voltage
signal
electromotive force
point
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.)
Pending
Application number
JP55117098A
Other languages
English (en)
Inventor
Yasumasa Tofuji
Sumio Kobayashi
Juichi Ninomiya
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.)
Hitachi Ltd
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
Priority to JP55117098A priority Critical patent/JPS5743582A/ja
Publication of JPS5743582A publication Critical patent/JPS5743582A/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
    • H02P7/292—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
    • H02P7/293—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 using phase control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
JP55117098A 1980-08-27 1980-08-27 Induction electromotive force detection device for dc motor Pending JPS5743582A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55117098A JPS5743582A (en) 1980-08-27 1980-08-27 Induction electromotive force detection device for dc motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55117098A JPS5743582A (en) 1980-08-27 1980-08-27 Induction electromotive force detection device for dc motor

Publications (1)

Publication Number Publication Date
JPS5743582A true JPS5743582A (en) 1982-03-11

Family

ID=14703343

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55117098A Pending JPS5743582A (en) 1980-08-27 1980-08-27 Induction electromotive force detection device for dc motor

Country Status (1)

Country Link
JP (1) JPS5743582A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61218382A (ja) * 1985-03-25 1986-09-27 Stanley Electric Co Ltd 速度検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61218382A (ja) * 1985-03-25 1986-09-27 Stanley Electric Co Ltd 速度検出装置

Similar Documents

Publication Publication Date Title
KR840001401A (ko) 감소전압시동기가 구비된 전동기가 구비된 전동기 역률 제어장치
ATE26369T1 (de) Dreiphasenleistungsfaktor-steuergeraet mit messfilter fuer die induzierte elektromotorische kraft.
ES402272A1 (es) Mejoras en la construccion de sistemas de transmision de velocidad ajustable de corriente alterna.
JPS57172279A (en) Saving of power consumption for electronic time piece and electronic time piece employing it
JPS5743582A (en) Induction electromotive force detection device for dc motor
JPS5597198A (en) Load level detecting method and its circuit for stepping motor
JPS5388115A (en) Controller for alternating current motors
JPS57208888A (en) Speed detecting system for induction motor
JPS5785590A (en) Rotor position detecting system for rotary electric machine
JPS5656182A (en) Drive unit for motor
JPS5736594A (en) Power device for driving induction motor
JPS55160990A (en) Control system for induction motor
JPS5760213A (en) Displacement sensor
JPS5753663A (en) Speed detector for electric motor
JPS5556495A (en) A.c. motor controller
JPS55160981A (en) Method of controlling commutatorless electric motor
JPS6430486A (en) Output torque detection method for induction motor
JPS55153204A (en) Motor speed control system for running truck
JPS561788A (en) Method of switching power supply of induction motor
JPS5475524A (en) Control device of synchronous motor
JPS57125856A (en) Phase difference detecting device
JPS5612836A (en) Rotational frequency detector for squirrel-cage induction motor
JPS57113203A (en) Superconducting device
JPS5724877A (en) Electronic watch
FR2328587A1 (fr) Dispositif de decel de patinage ou d'enrayage