JPS5846296U - slip frequency control device - Google Patents
slip frequency control deviceInfo
- Publication number
- JPS5846296U JPS5846296U JP14147481U JP14147481U JPS5846296U JP S5846296 U JPS5846296 U JP S5846296U JP 14147481 U JP14147481 U JP 14147481U JP 14147481 U JP14147481 U JP 14147481U JP S5846296 U JPS5846296 U JP S5846296U
- Authority
- JP
- Japan
- Prior art keywords
- slip frequency
- motor
- computing unit
- command
- frequency command
- 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図は従来例を示す制御ブロック図、第２図は本考案
の一実施例を示す制御ブロック図である。
１・・・・・・コンバータ部、３・・・・・・インバー
タ部、４・・・・・・かご形誘導電動機（電動機）、１
１．１１′・・・・・・速度調節器、１２．１２’、１
２“、１５゜１５′・・・・・・演算器、１３．１３’
、１３″・・・・・・加算器、Ｉｇ・・・・・・トルク
電流指令、Ｉφ・・・・・・磁化電流指令、■□・・・
・・・−次電流指令、ωＳ□・・・・・・定常時すべり
周波数指令、−２・・・・・・過渡時すべり周波数指令
、ω、・・・・・・電動機回転周波数信号。FIG. 1 is a control block diagram showing a conventional example, and FIG. 2 is a control block diagram showing an embodiment of the present invention. 1...Converter section, 3...Inverter section, 4...Squirrel cage induction motor (motor), 1
1.11'... Speed regulator, 12.12', 1
2", 15°15'... Arithmetic unit, 13.13'
, 13″... Adder, Ig... Torque current command, Iφ... Magnetizing current command, ■□...
...-Next current command, ωS□...Steady state slip frequency command, -2...Transient state slip frequency command, ω, ...Motor rotation frequency signal.
Claims (1)
周波数を指令しかつ該すべり周波数指令に電動機回転周
波数信号を加えて周波数指令を発生する回路部分とを有
してなる制御回路を備え、該制御回路の出力信号よりイ
ンバータ出力を誘導電動機に供給して駆動するものにお
いて、速度調節器部分の出力信号より定常状態時のすべ
ら周波数指令を得るとともに、 ■φｍ 丁ｍ下、（ＩＪｓ、）”、 、３ 、 ｔ、ａ
ｎ −’（Ｔ２− ωｓ１）ただし Ｉφ；磁化電流指
令 − ωＳ□；定常時すべり周波数指令 Ｔ２；電動機二次時定数 の関係なる演算出力をそれぞれ発生する第１の演算器お
よび第２の演算器を具備し、該第１の演算器よ６前記電
動機−次電流の大きさを与えるとともに、第２の演算器
出力に前記定常状態時のすべり周波数指令を加えてすべ
り周波数信号を発生するようにしたことを特徴とするす
べり周波数制御装置。[Claims for Utility Model Registration] Electric motor - has a calculation part that commands the magnitude of the next current, and a circuit part that commands the slip frequency and adds a motor rotation frequency signal to the slip frequency command to generate a frequency command. In a motor which drives an induction motor by supplying an inverter output from an output signal of the control circuit to an induction motor, a slip frequency command in a steady state is obtained from an output signal of a speed regulator part, and ■φm Ding m below, (IJs,)”, , 3, t, a
n −'(T2-ωs1) where Iφ: Magnetizing current command − ωS□: Steady-state slip frequency command T2; A first computing unit and a second computing unit that generate computing outputs related to the motor secondary time constant, respectively. The first computing unit is configured to give the magnitude of the electric current to the motor and generate a slip frequency signal by adding the slip frequency command in the steady state to the output of the second computing unit. A slip frequency control device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14147481U JPS5846296U (en) | 1981-09-25 | 1981-09-25 | slip frequency control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14147481U JPS5846296U (en) | 1981-09-25 | 1981-09-25 | slip frequency control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5846296U true JPS5846296U (en) | 1983-03-29 |
Family
ID=29934572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14147481U Pending JPS5846296U (en) | 1981-09-25 | 1981-09-25 | slip frequency control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5846296U (en) |
-
1981
- 1981-09-25 JP JP14147481U patent/JPS5846296U/en active Pending
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