JPS5285319A - Variable frequency circuit for motor driving - Google Patents

Variable frequency circuit for motor driving

Info

Publication number
JPS5285319A
JPS5285319A JP148076A JP148076A JPS5285319A JP S5285319 A JPS5285319 A JP S5285319A JP 148076 A JP148076 A JP 148076A JP 148076 A JP148076 A JP 148076A JP S5285319 A JPS5285319 A JP S5285319A
Authority
JP
Japan
Prior art keywords
motor driving
variable frequency
frequency circuit
motor
adoption
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
JP148076A
Other languages
Japanese (ja)
Inventor
Kazuo Honda
Yasuo Matsuda
Takeo Maeda
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 JP148076A priority Critical patent/JPS5285319A/en
Publication of JPS5285319A publication Critical patent/JPS5285319A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: The adoption of the digital control system allows the motor to be controlled by the stable voltage and the frequency without being influenced by temperature and other disturbances.
COPYRIGHT: (C)1977,JPO&Japio
JP148076A 1976-01-09 1976-01-09 Variable frequency circuit for motor driving Pending JPS5285319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP148076A JPS5285319A (en) 1976-01-09 1976-01-09 Variable frequency circuit for motor driving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP148076A JPS5285319A (en) 1976-01-09 1976-01-09 Variable frequency circuit for motor driving

Publications (1)

Publication Number Publication Date
JPS5285319A true JPS5285319A (en) 1977-07-15

Family

ID=11502594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP148076A Pending JPS5285319A (en) 1976-01-09 1976-01-09 Variable frequency circuit for motor driving

Country Status (1)

Country Link
JP (1) JPS5285319A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989812A (en) * 1972-12-29 1974-08-28
JPS5061309A (en) * 1973-10-03 1975-05-26

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4989812A (en) * 1972-12-29 1974-08-28
JPS5061309A (en) * 1973-10-03 1975-05-26

Similar Documents

Publication Publication Date Title
JPS51142201A (en) Automatic frequency control circuit
JPS5354762A (en) Current controlling circuit
JPS5342310A (en) Speed controll system for dc motor
JPS5285319A (en) Variable frequency circuit for motor driving
JPS5228204A (en) Station selector unit
JPS51147038A (en) High frequency heating system
JPS51130101A (en) Tuner
JPS5367848A (en) Output voltage compensating circuit for dc power source
JPS538842A (en) High frequency heater
JPS5374222A (en) Motor control device
JPS5366513A (en) Power system stabilization device
JPS54720A (en) Motor controller
JPS5211703A (en) Tuning voltage preset circuit
JPS5285314A (en) Current control system for dc motor
JPS5249445A (en) D.c. constant current source
JPS5240720A (en) Motor controlling device
JPS5365648A (en) Digital fsk
JPS5396455A (en) Constant voltage circuit
JPS5232555A (en) Constant voltage circuit with temperature characteristics variable
JPS5382040A (en) Constant temperature control apparatus
JPS5372117A (en) Controller for ac motor
JPS5221643A (en) Constant-voltage circuit
JPS5384144A (en) Voltage control circuit
JPS5231356A (en) Constant voltage circuit
JPS5282444A (en) Electrochromic display unit