JPS53147918A - Controller for ac motor - Google Patents

Controller for ac motor

Info

Publication number
JPS53147918A
JPS53147918A JP6345377A JP6345377A JPS53147918A JP S53147918 A JPS53147918 A JP S53147918A JP 6345377 A JP6345377 A JP 6345377A JP 6345377 A JP6345377 A JP 6345377A JP S53147918 A JPS53147918 A JP S53147918A
Authority
JP
Japan
Prior art keywords
controller
motor
torque
elinination
byuch
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
JP6345377A
Other languages
Japanese (ja)
Inventor
Seiya Kojima
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6345377A priority Critical patent/JPS53147918A/en
Publication of JPS53147918A publication Critical patent/JPS53147918A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To promote an elinination of shortage of torque, byuch means that with a ratio of terminal voltage and primary frequency held at a constant value, further with those of values raised to a level so as to obtain a required torque in a range of low frequency, simultaneously a compensation be made in accordance with a change of load.
COPYRIGHT: (C)1978,JPO&Japio
JP6345377A 1977-05-31 1977-05-31 Controller for ac motor Pending JPS53147918A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6345377A JPS53147918A (en) 1977-05-31 1977-05-31 Controller for ac motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6345377A JPS53147918A (en) 1977-05-31 1977-05-31 Controller for ac motor

Publications (1)

Publication Number Publication Date
JPS53147918A true JPS53147918A (en) 1978-12-23

Family

ID=13229661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6345377A Pending JPS53147918A (en) 1977-05-31 1977-05-31 Controller for ac motor

Country Status (1)

Country Link
JP (1) JPS53147918A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108985A (en) * 1981-12-18 1983-06-29 インステイテユト・セラミツク・エス・エイ Method and device for supplying electric energy to portable power tool
JPS6454799U (en) * 1987-09-28 1989-04-04

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149426A (en) * 1974-10-25 1976-04-28 Hitachi Ltd Koryudendokino seigyohoho

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149426A (en) * 1974-10-25 1976-04-28 Hitachi Ltd Koryudendokino seigyohoho

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58108985A (en) * 1981-12-18 1983-06-29 インステイテユト・セラミツク・エス・エイ Method and device for supplying electric energy to portable power tool
JPS6454799U (en) * 1987-09-28 1989-04-04

Similar Documents

Publication Publication Date Title
JPS5421337A (en) Display method for level check and its circuit
JPS52121252A (en) Overload preventing apparatus for winding machine
JPS53147918A (en) Controller for ac motor
JPS5246415A (en) Control device for ac motor
JPS51144918A (en) A.c. power generator
JPS5411426A (en) Constant power controller for a/d converter
JPS5415154A (en) Automatic voltage regulator
JPS5320530A (en) Inverter
JPS5430422A (en) Ac motor system
JPS5212447A (en) Reactive power controller
JPS5552122A (en) Compensation unit for ineffective power
JPS5457617A (en) Control system ac motor
JPS5448038A (en) Ac-dc converter
JPS5241855A (en) Ac constant current power circuit
JPS5385341A (en) Inverter control circuit
JPS51114896A (en) Drive method
JPS54106816A (en) Control system for ac motor
JPS5246436A (en) Inverter
JPS5446321A (en) Operational method of current type inverter
JPS5611522A (en) Direct current stabilized power supply unit
JPS5496992A (en) Laser device
JPS5339429A (en) Inverter
JPS5668810A (en) Constant voltage power source
JPS53129816A (en) Constant voltage and frequency power supply
JPS52136347A (en) Reactive power compensating device