JPS59141494U - Induction motor stop control device - Google Patents
Induction motor stop control deviceInfo
- Publication number
- JPS59141494U JPS59141494U JP1983035341U JP3534183U JPS59141494U JP S59141494 U JPS59141494 U JP S59141494U JP 1983035341 U JP1983035341 U JP 1983035341U JP 3534183 U JP3534183 U JP 3534183U JP S59141494 U JPS59141494 U JP S59141494U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- control device
- stop control
- motor stop
- current component
- 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
Links
Landscapes
- Motor And Converter Starters (AREA)
- 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、第２図、第３図及び第４図は従来の制御装置に
よる誘導電動機の運転態様を説明するタイムチャート、
第５図は本考案の一実施例に係る制御装置の回路構成図
、第６図及び第７図は第５図の側御装置によるｉ―電動
機の運転態様を説明するタイムチャートである。
１・・・・・・運転信号、２・・・・・・誘導電動機の
固定子電流、３・・・・・・誘導電動機の回転数、４・
・・・・・励磁電流、１０・・・・・・交流電源、１１
・・・・・・周波数変換装置（ＦＣＶ）、１２・・・・
・・誘導電動機（ＩＭ）、２０・・・・・・制御装置、
２１・・・・・・オフディレー回路、２２・・・・・・
励磁電流成分（ｉ□）演算回路、２３・・・・・・トル
ク電流成分（１２）演算回路、２４・・・・・・ベクト
ル合成回路、２５・・・・・・ドライバ。
′」い−1, 2, 3, and 4 are time charts illustrating the operation mode of an induction motor by a conventional control device,
FIG. 5 is a circuit configuration diagram of a control device according to an embodiment of the present invention, and FIGS. 6 and 7 are time charts illustrating the operation mode of the i-motor by the side control device of FIG. 5. 1... Operating signal, 2... Stator current of induction motor, 3... Rotation speed of induction motor, 4.
...Exciting current, 10... AC power supply, 11
...Frequency converter (FCV), 12...
...Induction motor (IM), 20...Control device,
21...off delay circuit, 22...
Excitation current component (i□) calculation circuit, 23... Torque current component (12) calculation circuit, 24... Vector synthesis circuit, 25... Driver. '''i-
Claims (1)
分とからなる固定子電流を供給し、この固定子電流の周
波数を制御して誘導電動機を可変速駆動する誘導電動機
の制御装置において、前記誘導電動機の運転停止と同期
してそれ以後も所定時間だけ前記励磁電流成分のみを供
給し続ける回路を設けた ことを特徴とする誘導電動機の制御装置。[Claims for Utility Model Registration] A stator current consisting of an excitation current component and a torque current component is supplied to the stator winding of an induction motor, and the frequency of this stator current is controlled to drive the induction motor at variable speed. What is claimed is: 1. A control device for an induction motor, comprising: a circuit that continues to supply only the excitation current component for a predetermined period of time in synchronization with the stoppage of the induction motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983035341U JPS59141494U (en) | 1983-03-11 | 1983-03-11 | Induction motor stop control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983035341U JPS59141494U (en) | 1983-03-11 | 1983-03-11 | Induction motor stop control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59141494U true JPS59141494U (en) | 1984-09-21 |
| JPH0441756Y2 JPH0441756Y2 (en) | 1992-09-30 |
Family
ID=30166037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983035341U Granted JPS59141494U (en) | 1983-03-11 | 1983-03-11 | Induction motor stop control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59141494U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365319A (en) * | 1976-11-25 | 1978-06-10 | Mitsui Toatsu Chemicals | Unbinding covering for pc steel |
| JPS54105714A (en) * | 1978-02-07 | 1979-08-20 | Toshiba Corp | Controller for induction motor |
| JPS57129187A (en) * | 1981-02-04 | 1982-08-11 | Kobe Steel Ltd | Control device for motor of rolling machine |
-
1983
- 1983-03-11 JP JP1983035341U patent/JPS59141494U/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5365319A (en) * | 1976-11-25 | 1978-06-10 | Mitsui Toatsu Chemicals | Unbinding covering for pc steel |
| JPS54105714A (en) * | 1978-02-07 | 1979-08-20 | Toshiba Corp | Controller for induction motor |
| JPS57129187A (en) * | 1981-02-04 | 1982-08-11 | Kobe Steel Ltd | Control device for motor of rolling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441756Y2 (en) | 1992-09-30 |
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