JPS612798U - AC motor control device - Google Patents
AC motor control deviceInfo
- Publication number
- JPS612798U JPS612798U JP8721984U JP8721984U JPS612798U JP S612798 U JPS612798 U JP S612798U JP 8721984 U JP8721984 U JP 8721984U JP 8721984 U JP8721984 U JP 8721984U JP S612798 U JPS612798 U JP S612798U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- motor control
- pulse width
- width modulation
- motor
- 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図は従来の交流モータの制御装置の構成を示すブロ
ック図、第２図は第１図のパルス幅変調回路の構成を示
すブロック図、第３図はパルス幅変調回路の動作を説明
するための制御信号とデューテイ比の特性図、第４図は
本考案の一実施例に用いるキャリア電圧信号を示す波形
図、第５図は本考案の一実施例におけるパルス幅変調回
路の動作を説明するためのタイミング図、第６図は同実
施例にお，ける制御信号とデューティ比の特性図である
。
１・・・・・・トルク指令機、２・・・・・・電流指令
値発生器、３・・・・・・電流調節器、４・・・・・・
パルス幅変調回路、６・・・・・・インバータ、７・・
・・・・交流モータ、１０・・・・・・電圧比較器、１
２・・・・・・三角波電圧発生器、■ア・・・・・・三
角波電圧信号、■ｏ・・・・・・キャリア電圧信号、Ｖ
Ｔ １９ Ｖ Ｃｌ・・・・・・極小値、ＶＴ２９
ＶＣ２・・・・・・極大値。Figure 1 is a block diagram showing the configuration of a conventional AC motor control device, Figure 2 is a block diagram showing the configuration of the pulse width modulation circuit in Figure 1, and Figure 3 explains the operation of the pulse width modulation circuit. Fig. 4 is a waveform diagram showing a carrier voltage signal used in an embodiment of the present invention, and Fig. 5 explains the operation of the pulse width modulation circuit in an embodiment of the present invention. FIG. 6 is a timing diagram showing the characteristics of the control signal and duty ratio in the same embodiment. 1...Torque command machine, 2...Current command value generator, 3...Current regulator, 4...
Pulse width modulation circuit, 6... Inverter, 7...
...AC motor, 10...Voltage comparator, 1
2...Triangular wave voltage generator, ■A...Triangular wave voltage signal, ■o...Carrier voltage signal, V
T 19 V Cl・・・Minimum value, VT29
VC2... Maximum value.
Claims (1)
おいて； パルス幅変調を行なうためのキャリア信号として、その
極大値および極小値の近辺における微分係数の絶対値が
急増する信号を用いるように構成したことを特徴とする
交流モータの制御装置。[Claims for Utility Model Registration] In a control device that controls an AC motor by pulse width modulation; as a carrier signal for performing pulse width modulation, a signal in which the absolute value of the differential coefficient in the vicinity of its maximum value and minimum value rapidly increases; A control device for an AC motor, characterized in that it is configured to use the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8721984U JPS612798U (en) | 1984-06-12 | 1984-06-12 | AC motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8721984U JPS612798U (en) | 1984-06-12 | 1984-06-12 | AC motor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS612798U true JPS612798U (en) | 1986-01-09 |
Family
ID=30639237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8721984U Pending JPS612798U (en) | 1984-06-12 | 1984-06-12 | AC motor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS612798U (en) |
-
1984
- 1984-06-12 JP JP8721984U patent/JPS612798U/en active Pending
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