JPS59122796U - AC motor vector control device - Google Patents
AC motor vector control deviceInfo
- Publication number
- JPS59122796U JPS59122796U JP1983014909U JP1490983U JPS59122796U JP S59122796 U JPS59122796 U JP S59122796U JP 1983014909 U JP1983014909 U JP 1983014909U JP 1490983 U JP1490983 U JP 1490983U JP S59122796 U JPS59122796 U JP S59122796U
- Authority
- JP
- Japan
- Prior art keywords
- vector
- motor
- current
- control device
- magnetic flux
- 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
- 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図はベクトル制御をする電動機の電流ベク′ トル
図、第２図は本考案の実施例を示す回路図であり、第３
図は第２図の実施例におけるトルク電流演算器１６の回
路図である。第４図は本考案の別の実施例を示す回路の
部分図であり、第５図は第４図の実施例における関数発
生器１７の回路図で、第６図は第５図に示す回路で構成
される関数発生器の出力グラフである。
１：コンバータ、２：リアクトル、３：インバニタ、４
：誘導電動機、５：速度発電機、１０：速度設定器、１
１．１自：加算点、１２：速度調節器ＡＳＲ。
１３：磁束演算器、１４：除算器、１５：リミッタ、１
６二トルク電流演算器、１７：関数発生器、１８：ベク
トルアナライザＶＡ、２０：電流検出器、２１：電流調
節器ＡＣＲ，２２：点弧角調節器、３０゜３１：三相／
二相変換器、３２：磁束演算部、３３：電流ベクトル制
御部、３４：パルス分配器、４１：入力端子、４２：乗
算器、４３：電流信号設定器、４４：演算増幅器、４５
：開平演算器、４６：出力端子、５１：入力端子、５２
．５３．５５：電圧設定器、５４． ５６．５７．５８
． ５９：演算増幅器、６０：出力端子。
ビ（１１，２１ｉ、 ”（′（１丁”ｔｉ
■−−−−
７υ １１１Fig. 1 is a current vector diagram of a motor that performs vector control, Fig. 2 is a circuit diagram showing an embodiment of the present invention, and Fig. 3 is a circuit diagram showing an embodiment of the present invention.
This figure is a circuit diagram of the torque current calculator 16 in the embodiment of FIG. 2. 4 is a partial diagram of a circuit showing another embodiment of the present invention, FIG. 5 is a circuit diagram of the function generator 17 in the embodiment of FIG. 4, and FIG. 6 is a circuit diagram of the circuit shown in FIG. This is the output graph of a function generator consisting of . 1: Converter, 2: Reactor, 3: Invanitor, 4
: induction motor, 5: speed generator, 10: speed setting device, 1
1.1: Addition point, 12: Speed regulator ASR. 13: Magnetic flux calculator, 14: Divider, 15: Limiter, 1
6 Torque current calculator, 17: Function generator, 18: Vector analyzer VA, 20: Current detector, 21: Current regulator ACR, 22: Firing angle regulator, 30° 31: Three phase/
Two-phase converter, 32: Magnetic flux calculation section, 33: Current vector control section, 34: Pulse distributor, 41: Input terminal, 42: Multiplier, 43: Current signal setting device, 44: Operational amplifier, 45
: Square root calculator, 46: Output terminal, 51: Input terminal, 52
．． 53.55: Voltage setting device, 54. 56.57.58
．． 59: Operational amplifier, 60: Output terminal. Bi(11,21i, ”(′(1cho”ti) ■---- 7υ 111
Claims (1)
ベクトルを基準にして、該磁束ベクトルに平行な磁化電
流成分と、該磁束ベクトルに直交するトルク電流成分と
に分解し、これら各成分によって決まる電流ベクトルの
大きさと角度に基づいて交流電動機を制御する装置にお
いて、電動機が定出力運転をする場合、磁化電流成分の
電流が電動機回転速度上昇に逆比例して減少するのに対
応してトルク電流成分の電流制限値を高めることを特徴
とする交流電動機のベクトル制御装置。The current vector of the AC motor is decomposed into a magnetizing current component parallel to the magnetic flux vector and a torque current component orthogonal to the magnetic flux vector, based on a separately detected motor magnetic flux vector, and a current vector determined by these components is determined. In a device that controls an AC motor based on the magnitude and angle of A vector control device for an AC motor characterized by increasing a current limit value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983014909U JPH0619350Y2 (en) | 1983-02-03 | 1983-02-03 | AC motor vector controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983014909U JPH0619350Y2 (en) | 1983-02-03 | 1983-02-03 | AC motor vector controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59122796U true JPS59122796U (en) | 1984-08-18 |
| JPH0619350Y2 JPH0619350Y2 (en) | 1994-05-18 |
Family
ID=30146251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983014909U Expired - Lifetime JPH0619350Y2 (en) | 1983-02-03 | 1983-02-03 | AC motor vector controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619350Y2 (en) |
-
1983
- 1983-02-03 JP JP1983014909U patent/JPH0619350Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619350Y2 (en) | 1994-05-18 |
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