JPS60156896U - AC motor control circuit - Google Patents

AC motor control circuit

Info

Publication number
JPS60156896U
JPS60156896U JP1984044568U JP4456884U JPS60156896U JP S60156896 U JPS60156896 U JP S60156896U JP 1984044568 U JP1984044568 U JP 1984044568U JP 4456884 U JP4456884 U JP 4456884U JP S60156896 U JPS60156896 U JP S60156896U
Authority
JP
Japan
Prior art keywords
command signal
motor
gain
giving
predetermined
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.)
Granted
Application number
JP1984044568U
Other languages
Japanese (ja)
Other versions
JPH047674Y2 (en
Inventor
鉄明 長野
鎌倉　孝幸
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP1984044568U priority Critical patent/JPS60156896U/en
Publication of JPS60156896U publication Critical patent/JPS60156896U/en
Application granted granted Critical
Publication of JPH047674Y2 publication Critical patent/JPH047674Y2/ja
Granted legal-status Critical Current

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  • Control Of Ac Motors In General (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の交流電動機の制御回路を示すブロック図
、第２図はこの発明の一実施例による交流電動機の制御
回路を示すブロック図である。　　　、１．２，４，１
３・・・演算器、３，１６・・・割算器、５・・・加算
器、６・・・変換器、８・・・周波数変換装置、？、　
　１１．　１４．　１５．　１７・・・増幅器、８・・
・誘導電動機。なお、図中、同一符号は同一部分を示す
。FIG. 1 is a block diagram showing a conventional control circuit for an AC motor, and FIG. 2 is a block diagram showing a control circuit for an AC motor according to an embodiment of the present invention. ,1.2,4,1
3... Arithmetic unit, 3, 16... Divider, 5... Adder, 6... Converter, 8... Frequency converter, ? ,
11. 14. 15. 17...Amplifier, 8...
・Induction motor. In addition, in the figures, the same reference numerals indicate the same parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基準速度信号と、回転する交流電動機から検出された速
度信号とを比較し、この比較の結果により第１指令信号
を発生する第１演算器と、基準磁束信号を一次遅れ要素
を介して第１量を求め、上記基準磁束信号に所定の第１
ゲインを与えた結果から上記第１゛量に所定の第２ゲイ
ンを与えた結果を減算して第２量を求め、この第２量に
所定の第３ゲインを与えることにより第２指令信号を発
生する第２演算器と、上記第１指令信号を上記第１量に
より割算し、かつ所定の第４ゲインを与えることにより
第３指令信号を発生する第３演算器とを備え、上記第１
指令信号により上記交流電動機に供給するトルク成分電
流を制御し、上記第２指令信号により上記交流電動機に
供給する磁束成分電流を制御し、かつ上記第３指令信号
により上記交流電動機のすべり周波数を制御するように
した交流電動機の制御回路。A first computing unit that compares a reference speed signal with a speed signal detected from a rotating AC motor and generates a first command signal based on the result of this comparison; A predetermined first
A second quantity is obtained by subtracting the result of giving a predetermined second gain to the first quantity from the result of giving the gain, and a second command signal is obtained by giving a predetermined third gain to this second quantity. and a third computing unit that generates a third command signal by dividing the first command signal by the first amount and giving a predetermined fourth gain, 1
The torque component current supplied to the AC motor is controlled by a command signal, the magnetic flux component current supplied to the AC motor is controlled by the second command signal, and the slip frequency of the AC motor is controlled by the third command signal. A control circuit for an AC motor.
JP1984044568U 1984-03-28 1984-03-28 AC motor control circuit Granted JPS60156896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984044568U JPS60156896U (en) 1984-03-28 1984-03-28 AC motor control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984044568U JPS60156896U (en) 1984-03-28 1984-03-28 AC motor control circuit

Publications (2)

Publication Number Publication Date
JPS60156896U true JPS60156896U (en) 1985-10-18
JPH047674Y2 JPH047674Y2 (en) 1992-02-27

Family

ID=30557259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984044568U Granted JPS60156896U (en) 1984-03-28 1984-03-28 AC motor control circuit

Country Status (1)

Country Link
JP (1) JPS60156896U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107693A (en) * 1985-10-31 1987-05-19 Meidensha Electric Mfg Co Ltd Controlling method for vector of induction motor
JPH02101984A (en) * 1988-10-06 1990-04-13 Fuji Electric Co Ltd Induction motor controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62107693A (en) * 1985-10-31 1987-05-19 Meidensha Electric Mfg Co Ltd Controlling method for vector of induction motor
JPH02101984A (en) * 1988-10-06 1990-04-13 Fuji Electric Co Ltd Induction motor controller

Also Published As

Publication number Publication date
JPH047674Y2 (en) 1992-02-27

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