JPS6348399U - - Google Patents
Info
- Publication number
- JPS6348399U JPS6348399U JP14128586U JP14128586U JPS6348399U JP S6348399 U JPS6348399 U JP S6348399U JP 14128586 U JP14128586 U JP 14128586U JP 14128586 U JP14128586 U JP 14128586U JP S6348399 U JPS6348399 U JP S6348399U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- circuit
- power supply
- supply device
- driving
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は従来の同期電動機駆動用電源装置を示
したブロツク図、第２図は第１図を説明するタイ
ムチヤート、第３図は本考案の一実施例を示した
ブロツク図、第４図は第３図の本考案部分の詳細
回路例を示した図である。
１……同期電動機、２……整流器、３……直流
フイルタ回路、４……逆変換器、１０……基準信
号発生器、１１……Ｖ―Ｆ変換器、１２……リン
グカウンタ、１３……パルス増幅回路、１４……
変流器、１５……微分回路、１６……誤差増幅回
路、１７……位相器、２０……切換回路、２１…
…演算増幅器、２２……ＮＯＴ回路、２３，２４
……アナログスイツチ。
Fig. 1 is a block diagram showing a conventional power supply device for driving a synchronous motor, Fig. 2 is a time chart explaining Fig. 1, Fig. 3 is a block diagram showing an embodiment of the present invention, and Fig. 4. 3 is a diagram showing a detailed circuit example of the part of the present invention shown in FIG. 3. FIG. DESCRIPTION OF SYMBOLS 1... Synchronous motor, 2... Rectifier, 3... DC filter circuit, 4... Inverse converter, 10... Reference signal generator, 11... V-F converter, 12... Ring counter, 13... ...Pulse amplification circuit, 14...
Current transformer, 15...Differential circuit, 16...Error amplification circuit, 17...Phase shifter, 20...Switching circuit, 21...
...Operation amplifier, 22...NOT circuit, 23, 24
...Analog switch.
Claims (1)
数電源装置と、前記電源装置の直流フイルタ後に
設けた電流検出する手段と前記検出手段の出力を
微分する回路とを備え、電流の変化量を前記電動
機への供給電圧あるいは周波数を制御して電動機
の乱調を抑制することを特徴とする交流電動機駆
動用電源装置。 It includes an AC motor, a variable frequency power supply device for driving the motor, a means for detecting a current provided after a DC filter of the power supply device, and a circuit for differentiating the output of the detection means, and a circuit for differentiating the output of the detection means, and transmits a change in current to the motor. 1. A power supply device for driving an AC motor, characterized in that the supply voltage or frequency of the motor is controlled to suppress disturbances in the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986141285U JPH0528957Y2 (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986141285U JPH0528957Y2 (en) | 1986-09-17 | 1986-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6348399U true JPS6348399U (en) | 1988-04-01 |
| JPH0528957Y2 JPH0528957Y2 (en) | 1993-07-26 |
Family
ID=31048921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986141285U Expired - Lifetime JPH0528957Y2 (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0528957Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312019A (en) * | 1976-07-20 | 1978-02-03 | Toyo Electric Mfg Co Ltd | Inverter driving device for aac motor |
| JPS6115588A (en) * | 1984-06-28 | 1986-01-23 | Hitachi Ltd | Controller of induction motor |
-
1986
- 1986-09-17 JP JP1986141285U patent/JPH0528957Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5312019A (en) * | 1976-07-20 | 1978-02-03 | Toyo Electric Mfg Co Ltd | Inverter driving device for aac motor |
| JPS6115588A (en) * | 1984-06-28 | 1986-01-23 | Hitachi Ltd | Controller of induction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0528957Y2 (en) | 1993-07-26 |