JPS602399U - Variable frequency control device for AC motor - Google Patents

Variable frequency control device for AC motor

Info

Publication number
JPS602399U
JPS602399U JP9339083U JP9339083U JPS602399U JP S602399 U JPS602399 U JP S602399U JP 9339083 U JP9339083 U JP 9339083U JP 9339083 U JP9339083 U JP 9339083U JP S602399 U JPS602399 U JP S602399U
Authority
JP
Japan
Prior art keywords
motor
control device
variable frequency
frequency control
variable
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
JP9339083U
Other languages
Japanese (ja)
Inventor
多々良　真司
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP9339083U priority Critical patent/JPS602399U/en
Publication of JPS602399U publication Critical patent/JPS602399U/en
Pending legal-status Critical Current

Links

Landscapes

  • 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図は交流電動機の可変周波数制御装置の一般的な構
成を示す系統図、第２図は従来の速度補正回路の一例を
示す図、第３図は本考案に用いられる速度補正回路の一
実施例を示す回路図である。 １・・・速度設定器、２・・・ランプ関数ユニット、３
・・・発振器、４・・・周波数制御器、５Ｃ・・・電圧
制御器、６・・・交流電源、７・・・コンバータ、８・
・・直流リアクトル、９・・・インバータ、１０・・・
交流’ｆｌ動機、２２・・・電力検出器、３０．３１・
・・ＦＥＴ、　３２．３３・・・ＦＥＴドライブ回路。Fig. 1 is a system diagram showing a general configuration of a variable frequency control device for an AC motor, Fig. 2 is a diagram showing an example of a conventional speed correction circuit, and Fig. 3 is an example of a speed correction circuit used in the present invention. FIG. 2 is a circuit diagram showing an example. 1...Speed setter, 2...Ramp function unit, 3
... Oscillator, 4... Frequency controller, 5C... Voltage controller, 6... AC power supply, 7... Converter, 8...
...DC reactor, 9...Inverter, 10...
AC'fl motive, 22...power detector, 30.31.
...FET, 32.33...FET drive circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変電圧可変周波数の周波数変換装置を介して交流電動
機を可変速駆動する交流電動機の可変周波数制御装置に
おいて、速度設定変更に対応する加減速電力および実際
の負荷電力を検出する演算−回路を備え、上記加減速電
力および負荷電力に応じて周波数変換装置の周波数基準
を補正することを特徴とする交流電動機の可変周波数制
御装置。A variable frequency control device for an AC motor that drives the AC motor at variable speed via a variable voltage variable frequency frequency conversion device, comprising an arithmetic circuit that detects acceleration/deceleration power and actual load power corresponding to speed setting changes, A variable frequency control device for an AC motor, characterized in that a frequency reference of a frequency conversion device is corrected according to the acceleration/deceleration power and the load power.
JP9339083U 1983-06-20 1983-06-20 Variable frequency control device for AC motor Pending JPS602399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9339083U JPS602399U (en) 1983-06-20 1983-06-20 Variable frequency control device for AC motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9339083U JPS602399U (en) 1983-06-20 1983-06-20 Variable frequency control device for AC motor

Publications (1)

Publication Number Publication Date
JPS602399U true JPS602399U (en) 1985-01-09

Family

ID=30224185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9339083U Pending JPS602399U (en) 1983-06-20 1983-06-20 Variable frequency control device for AC motor

Country Status (1)

Country Link
JP (1) JPS602399U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0488598U (en) * 1990-12-14 1992-07-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0488598U (en) * 1990-12-14 1992-07-31

Similar Documents

Publication Publication Date Title
JPS602399U (en) Variable frequency control device for AC motor
JPS6122197U (en) Inverter-driven linear motor conveyor
JPS60135095U (en) automatic voltage regulator
JPS6086091U (en) transistor inverter
JPS6034786U (en) Current source inverter control device
JPS58121198U (en) AC motor speed control device
JPS59141496U (en) Electric motor deceleration control device
JPS6110097U (en) Inverter device
JPS59195994U (en) Electric motor speed control device
JPS5992593U (en) Acceleration power supply control circuit
JPS6079296U (en) Control circuit of inverter for motor starting
JPS59173488U (en) Induction motor starting device
JPS5849505U (en) Vehicle motor control device
JPS58156395U (en) Inverter device
JPS6031192U (en) Operation control device for inverter-driven motor
JPS6118276U (en) elevator control device
JPS5966391U (en) Parallel inverter device
JPS58138116U (en) frequency control device
JPS59169597U (en) Elevator control circuit using thyristor Leonard
JPS6125097U (en) AC motor inverter control circuit
JPS5860661U (en) DC elevator control device
JPS60119895U (en) Inverter voltage control circuit
JPS58138117U (en) frequency control device
JPS6034791U (en) Electric motor speed control device
JPS59169593U (en) Parallel inverter device