JPS58134097U - Induction motor control device - Google Patents

Induction motor control device

Info

Publication number
JPS58134097U
JPS58134097U JP1982031137U JP3113782U JPS58134097U JP S58134097 U JPS58134097 U JP S58134097U JP 1982031137 U JP1982031137 U JP 1982031137U JP 3113782 U JP3113782 U JP 3113782U JP S58134097 U JPS58134097 U JP S58134097U
Authority
JP
Japan
Prior art keywords
induction motor
control device
motor control
circuit
frequency
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
JP1982031137U
Other languages
Japanese (ja)
Inventor
忠男 郷司
Original Assignee
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP1982031137U priority Critical patent/JPS58134097U/en
Publication of JPS58134097U publication Critical patent/JPS58134097U/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 drawings]

第1図及び第3図は誘導電動機のトルク速度特性曲線図
、第2図は本考案に係る誘導電動機の制御御装置の一実
施例を示すブロック図であ乞。 1・・・・・・誘導電動機、2・・・・・・VVVF、
 3・・・・・・電圧−周波数変換器、4・・・・・・
周波数設定回路、5・・・・・・有効電流検出回路、6
・・・・・・電流検出器、7・・・・・・電圧検出器。
1 and 3 are torque speed characteristic curve diagrams of an induction motor, and FIG. 2 is a block diagram showing an embodiment of an induction motor control device according to the present invention. 1...Induction motor, 2...VVVF,
3...Voltage-frequency converter, 4...
Frequency setting circuit, 5... Effective current detection circuit, 6
...Current detector, 7...Voltage detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 可変電圧・可変周波数電源を用い、電圧・周波数比一定
制御方式によって誘導電動機を駆動するものにおいて、
誘導電動機の電流と電動機力率の積を検出する回路を設
け、この回路の出力で設定周波数を補正するようにした
ことを特徴とする誘導電動機の制御装置。
In those that use a variable voltage/variable frequency power source to drive an induction motor using a constant voltage/frequency ratio control method,
1. A control device for an induction motor, comprising: a circuit for detecting the product of the current of the induction motor and the motor power factor; and a set frequency is corrected using the output of the circuit.
JP1982031137U 1982-03-05 1982-03-05 Induction motor control device Pending JPS58134097U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982031137U JPS58134097U (en) 1982-03-05 1982-03-05 Induction motor control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982031137U JPS58134097U (en) 1982-03-05 1982-03-05 Induction motor control device

Publications (1)

Publication Number Publication Date
JPS58134097U true JPS58134097U (en) 1983-09-09

Family

ID=30042823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982031137U Pending JPS58134097U (en) 1982-03-05 1982-03-05 Induction motor control device

Country Status (1)

Country Link
JP (1) JPS58134097U (en)

Similar Documents

Publication Publication Date Title
JPS58134097U (en) Induction motor control device
JPS5815494U (en) Electric motor control device
JPS5822801U (en) electric car control device
JPS5915291U (en) Control device for commutatorless motor
JPS5849505U (en) Vehicle motor control device
JPS58136997U (en) Induction motor control device
JPS58697U (en) Induction motor control device
JPS60171095U (en) Induction motor operation control device
JPS59159199U (en) AC motor speed control device
JPS60108199U (en) Induction motor control device
JPS6024107U (en) Electric vehicle control device
JPS59132384U (en) Inverter device
JPS59155897U (en) AC motor speed control device
JPS58176592U (en) Power transistor base drive circuit
JPS5937900U (en) Inverter
JPS599793U (en) variable frequency power supply
JPS58176600U (en) electric motor drive device
JPS583797U (en) AC motor drive control circuit
JPS5941098U (en) Speed control device for wire-wound induction motor
JPS5866896U (en) Inverter control circuit
JPS58100496U (en) Inverter protection device
JPS602399U (en) Variable frequency control device for AC motor
JPS58156395U (en) Inverter device
JPS60119895U (en) Inverter voltage control circuit
JPS6117892U (en) Regenerative power discharge device for inverter equipment