JPS58134097U - Induction motor control device - Google Patents
Induction motor control deviceInfo
- 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
Links
- 230000006698 induction Effects 0.000 title claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
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
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)
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.
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) |
-
1982
- 1982-03-05 JP JP1982031137U patent/JPS58134097U/en active Pending
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