JPS5243921A - Control device of an electric motor without commutator - Google Patents

Control device of an electric motor without commutator

Info

Publication number
JPS5243921A
JPS5243921A JP50118859A JP11885975A JPS5243921A JP S5243921 A JPS5243921 A JP S5243921A JP 50118859 A JP50118859 A JP 50118859A JP 11885975 A JP11885975 A JP 11885975A JP S5243921 A JPS5243921 A JP S5243921A
Authority
JP
Japan
Prior art keywords
power factor
controlled
commutator
control device
electric motor
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
JP50118859A
Other languages
Japanese (ja)
Inventor
Yojiro Miyahara
Kenzo Kamiyama
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 JP50118859A priority Critical patent/JPS5243921A/en
Publication of JPS5243921A publication Critical patent/JPS5243921A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE: Power factor and power factor instruction signal detected from terminal voltage of synchronous motor and equivalent voltage among brushed of direct current motor are operated, in the deviated output, controlled angle of lead is controlled through automatic pulse phase shifter of variable frequency, and the power factor is controlled in a constant level.
COPYRIGHT: (C)1977,JPO&Japio
JP50118859A 1975-10-03 1975-10-03 Control device of an electric motor without commutator Pending JPS5243921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50118859A JPS5243921A (en) 1975-10-03 1975-10-03 Control device of an electric motor without commutator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50118859A JPS5243921A (en) 1975-10-03 1975-10-03 Control device of an electric motor without commutator

Publications (1)

Publication Number Publication Date
JPS5243921A true JPS5243921A (en) 1977-04-06

Family

ID=14746892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50118859A Pending JPS5243921A (en) 1975-10-03 1975-10-03 Control device of an electric motor without commutator

Country Status (1)

Country Link
JP (1) JPS5243921A (en)

Similar Documents

Publication Publication Date Title
JPS5513673A (en) Servo-circuit of direct current motor
JPS5417485A (en) Servo valve driven electric current generating circuit
JPS5243921A (en) Control device of an electric motor without commutator
JPS5425415A (en) Inverter controller
JPS52154020A (en) Control system for induction motor by plurality of pulse duration modulated variable frequency inverter
JPS5324531A (en) Frequency converter
JPS5427915A (en) Revolution angle controlling method of motors
JPS52125712A (en) Control circuit of electric motor
JPS52149743A (en) Elevator starting control device
JPS5490514A (en) Starting-assist circuit for commutatorless motor
JPS5335926A (en) Self exciting inverter control circuit
JPS52318A (en) Torque detector of an ac electric motor
JPS5210510A (en) Controlling device of induction motor
JPS5326913A (en) Brushless motor
JPS5388113A (en) Slip frequency processing device of induction motors
JPS5260921A (en) Voltage regulator in vehicle a.c. generator
JPS54122814A (en) Starting of motor
JPS51111611A (en) Brushless electric generator
JPS5475524A (en) Control device of synchronous motor
JPS5415112A (en) Multi-phase ac motor
JPS51141333A (en) Control unit of wire connector
JPS526920A (en) Control device for ac motor
JPS51111612A (en) Grushless electric generator
JPS5235502A (en) Magnetron output control equipment
JPS5251522A (en) Speed controlling equipment of single phase induction motor