JPS58183092U - Induction motor speed control device - Google Patents

Induction motor speed control device

Info

Publication number
JPS58183092U
JPS58183092U JP1982078500U JP7850082U JPS58183092U JP S58183092 U JPS58183092 U JP S58183092U JP 1982078500 U JP1982078500 U JP 1982078500U JP 7850082 U JP7850082 U JP 7850082U JP S58183092 U JPS58183092 U JP S58183092U
Authority
JP
Japan
Prior art keywords
speed control
induction motor
time constant
speed
control device
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
JP1982078500U
Other languages
Japanese (ja)
Other versions
JPS6122480Y2 (en
Inventor
皆川　辰雄
鬼頭　恭民
Original Assignee
日本オ−チスエレベ−タ株式会社
株式会社明電舎
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 日本オ−チスエレベ−タ株式会社, 株式会社明電舎 filed Critical 日本オ−チスエレベ−タ株式会社
Priority to JP1982078500U priority Critical patent/JPS58183092U/en
Publication of JPS58183092U publication Critical patent/JPS58183092U/en
Application granted granted Critical
Publication of JPS6122480Y2 publication Critical patent/JPS6122480Y2/ja
Granted 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 drawings]

第１図はエレベータの制御ブロック図、第２図は誘導電
動機の制御トルク特性、第３図は従来の速度制御増幅器
回路図、第４図は本考案の一実施例を示す要部回路図、
第５図は第４図における速度−利得特性図である。 ８・・・速度制御増幅器、１１Ａ・・・比例要素、１１
Ｂ・・・積分要素、１２．１６・・・コンパレータ、Ａ
Ｓｌ、　ＡＳ２．　ＡＳ３・・・アナログスイッチ。 −９−μＴ ’、−７ｊ　、　　ゲ １ ；１１５ −　　豐　。 一一冒一 寸Fig. 1 is a control block diagram of an elevator, Fig. 2 is a control torque characteristic of an induction motor, Fig. 3 is a circuit diagram of a conventional speed control amplifier, and Fig. 4 is a main circuit diagram showing an embodiment of the present invention.
FIG. 5 is a speed-gain characteristic diagram in FIG. 4. 8...Speed control amplifier, 11A...Proportional element, 11
B... Integral element, 12.16... Comparator, A
Sl, AS2. AS3...Analog switch. -9-μT', -7j, Ge1; 115-Fung. Every inch of adventure

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 誘導電動機を一次電圧制御で速度制御する速度制御装置
において、速度設定値と速度検出値との偏差を一定利得
で増幅する比例要素と、この比例要素の出力を積分時定
数切換回路を有して積分して速度制御出力とする積分要
素と、上記速度制御出力極性から誘導電動機の駆動側か
制御側かを判定して上記積分要素の積分時定数切換回路
の時定数を切換制御する第１のコンパレータと、この第
１のコンパレータが制動側と判定するときに上記速度検
出値の検出値に応じて上記積分時定数切換回路の時定数
を切換制御する第２のコンパレータとを門む速度制御増
幅器を備えたことを特徴とする誘導電動機の速度制御装
置。A speed control device that controls the speed of an induction motor using primary voltage control has a proportional element that amplifies the deviation between the speed setting value and the detected speed value with a constant gain, and an integral time constant switching circuit that integrates the output of this proportional element. an integral element that is integrated to provide a speed control output; and a first element that determines whether the induction motor is on the drive side or the control side based on the speed control output polarity and switches and controls the time constant of the integral time constant switching circuit of the integral element. A speed control amplifier that includes a comparator and a second comparator that switches and controls the time constant of the integral time constant switching circuit according to the detected speed value when the first comparator is determined to be on the braking side. A speed control device for an induction motor, characterized by comprising:
JP1982078500U 1982-05-28 1982-05-28 Induction motor speed control device Granted JPS58183092U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982078500U JPS58183092U (en) 1982-05-28 1982-05-28 Induction motor speed control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982078500U JPS58183092U (en) 1982-05-28 1982-05-28 Induction motor speed control device

Publications (2)

Publication Number Publication Date
JPS58183092U true JPS58183092U (en) 1983-12-06
JPS6122480Y2 JPS6122480Y2 (en) 1986-07-05

Family

ID=30087706

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982078500U Granted JPS58183092U (en) 1982-05-28 1982-05-28 Induction motor speed control device

Country Status (1)

Country Link
JP (1) JPS58183092U (en)

Also Published As

Publication number Publication date
JPS6122480Y2 (en) 1986-07-05

Similar Documents

Publication Publication Date Title
JPS58183092U (en) Induction motor speed control device
JPS6075068U (en) printing device
JPH0288485U (en)
JPS59160438U (en) Electric seat position control device based on height
JPS6074851U (en) DC arc welding machine control device
JPS58173657U (en) Elevator speed control device
JPS5826738U (en) tape recorder
JPS58173658U (en) Elevator speed control device
JPS58100496U (en) Inverter protection device
JPS60177682U (en) Switching type stabilized power supply
JPS58180859U (en) Elevator speed control device
JPS60171038U (en) Excessive input limiter
JPS60119896U (en) Inverter voltage control circuit
JPS6286732U (en)
JPS6132791U (en) Crane operation control device
JPS59157640U (en) cooking machine
JPS5826737U (en) tape recorder
JPS60187179U (en) Elevator safety device
JPS59191891U (en) load drive device
JPS6125042U (en) overload protection device
JPS60190189U (en) Elevator safety device
JPS598786U (en) Hand hold detection device
JPH01171597U (en)
JPS61152103U (en)
JPS58129503U (en) servo amplifier