JPS61159895U - - Google Patents
Info
- Publication number
- JPS61159895U JPS61159895U JP1985042347U JP4234785U JPS61159895U JP S61159895 U JPS61159895 U JP S61159895U JP 1985042347 U JP1985042347 U JP 1985042347U JP 4234785 U JP4234785 U JP 4234785U JP S61159895 U JPS61159895 U JP S61159895U
- Authority
- JP
- Japan
- Prior art keywords
- switching signal
- comparator
- induction motor
- integrating circuit
- primary voltage
- 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 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は、この考案の一実施例を示す回路図で
ある。第２図は、第１図のデユーテイ比可変範囲
拡大回路１６の動作を示す波形図である。
１０……デユーテイ比可変スイツチング信号発
生回路、１６……デユーテイ比可変範囲拡大回路
、１８……積分回路、２０……コンパレータ。
FIG. 1 is a circuit diagram showing an embodiment of this invention. FIG. 2 is a waveform diagram showing the operation of the duty ratio variable range expansion circuit 16 of FIG. 10... Duty ratio variable switching signal generation circuit, 16... Duty ratio variable range expansion circuit, 18... Integrating circuit, 20... Comparator.
Claims (1)
ツチング信号でオン、オフし、そのスイツチング
信号のデユーテイ比を可変制御して、一次電圧の
平均レベルを変化させることにより、誘導電動機
を速度制御する装置において、 前記スイツチング信号を積分する積分回路と、 前記積分回路の出力を適宜のしきい値で比較す
るコンパレータと、 前記コンパレータの出力パルスを前記スイツチ
ング信号の代用として利用したことを特徴とする
誘導電動機の速度制御装置。[Claims for Utility Model Registration] By turning the primary voltage on and off using a switching signal with a period longer than its own period, and variably controlling the duty ratio of the switching signal, the average level of the primary voltage is changed. A device for controlling the speed of an induction motor, comprising: an integrating circuit that integrates the switching signal; a comparator that compares the output of the integrating circuit with an appropriate threshold; and an output pulse of the comparator that is used as a substitute for the switching signal. A speed control device for an induction motor, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985042347U JPS61159895U (en) | 1985-03-26 | 1985-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985042347U JPS61159895U (en) | 1985-03-26 | 1985-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61159895U true JPS61159895U (en) | 1986-10-03 |
Family
ID=30553021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985042347U Pending JPS61159895U (en) | 1985-03-26 | 1985-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61159895U (en) |
-
1985
- 1985-03-26 JP JP1985042347U patent/JPS61159895U/ja active Pending