JPS59126595U - Induction motor speed control device - Google Patents
Induction motor speed control deviceInfo
- Publication number
- JPS59126595U JPS59126595U JP1983019591U JP1959183U JPS59126595U JP S59126595 U JPS59126595 U JP S59126595U JP 1983019591 U JP1983019591 U JP 1983019591U JP 1959183 U JP1959183 U JP 1959183U JP S59126595 U JPS59126595 U JP S59126595U
- Authority
- JP
- Japan
- Prior art keywords
- speed
- induction motor
- thyristor
- control device
- signal
- 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
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図は従来のサイリスタを用いた誘導電動機の１次電
圧制御装置のブロック図、第２図は従来の変流器のフィ
ードバックによるクランプ回路を用いた誘導電動機の１
次電圧制御装置のブロック図、第３図はこの考案の誘導
電動機の速度制御装置の一実施例を示すブロック図、第
４図は誘導電動機のトルク曲線である。
ｌａ、 ｌｂ・・・・・・サイリスタ、２ａ、 ２
ｂ・・・・・・サイ ′リスタ点弧回路、３・・・・
・・速度アンプ、４・・・・・・比較回路、５・・・・
・・指速発電機、６・・・・・・コントローラ、７・・
・・・・誘導電動機、８・・・・・・変流器、９・・・
・・・クランプ回路。なお、図中同一符号は同一または
相当部分を示す。Figure 1 is a block diagram of a primary voltage control device for an induction motor using a conventional thyristor, and Figure 2 is a block diagram of a primary voltage control device for an induction motor using a conventional current transformer feedback clamp circuit.
3 is a block diagram showing an embodiment of the speed control device for an induction motor according to the present invention; and FIG. 4 is a torque curve of the induction motor. la, lb...thyristor, 2a, 2
b...Sai 'Rister ignition circuit, 3...
...Speed amplifier, 4...Comparison circuit, 5...
...Finger speed generator, 6... Controller, 7...
...Induction motor, 8...Current transformer, 9...
...clamp circuit. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
動機、この誘導電動機の速度に比例した信号を発生する
速度発電機、この速度発電機で得られた信号とコントロ
ーラのノツチ位置に応じた速度指令信号とを比較してそ
の偏差を出力する比較器、この出力と上記速度発電機が
得られた信号を受は上記誘導電動機の速度または速度の
平方根に比例して上記比較器の出力をクランプするクラ
ンプ回路、このクランプ回路の出力により上記サイリス
タの点弧位相角を上記速度または速度の平方根に比例し
て上記サイリスタを点弧制御するサイリスタ点弧回路を
備えてなる誘導電動機の速度制御装置。An induction motor whose speed is controlled according to the firing phase angle of the thyristor, a speed generator that generates a signal proportional to the speed of this induction motor, and a speed that depends on the signal obtained from this speed generator and the notch position of the controller. A comparator that compares the command signal with the command signal and outputs its deviation, and this output and the speed generator receive the obtained signal and clamp the output of the comparator in proportion to the speed of the induction motor or the square root of the speed. and a thyristor ignition circuit that controls ignition of the thyristor in proportion to the speed or the square root of the speed using the output of the clamp circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983019591U JPS59126595U (en) | 1983-02-14 | 1983-02-14 | Induction motor speed control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983019591U JPS59126595U (en) | 1983-02-14 | 1983-02-14 | Induction motor speed control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59126595U true JPS59126595U (en) | 1984-08-25 |
Family
ID=30150731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983019591U Pending JPS59126595U (en) | 1983-02-14 | 1983-02-14 | Induction motor speed control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59126595U (en) |
-
1983
- 1983-02-14 JP JP1983019591U patent/JPS59126595U/en active Pending
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