JPS6261195U - - Google Patents
Info
- Publication number
- JPS6261195U JPS6261195U JP15202385U JP15202385U JPS6261195U JP S6261195 U JPS6261195 U JP S6261195U JP 15202385 U JP15202385 U JP 15202385U JP 15202385 U JP15202385 U JP 15202385U JP S6261195 U JPS6261195 U JP S6261195U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- induction motor
- output
- time
- instructing
- 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
- 230000006698 induction Effects 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案の実施例を示す回路図であり、
第２図は第１図に示す実施例回路の速度特性を示
すグラフである。第３図は可変電圧・可変周波数
の交流電力を出力するインバータにより駆動され
る誘導電動機の従来例を示す回路図であり、第４
図は加減速度調節器の特性の従来例を示すグラフ
である。
２……交流電源、３……整流器、４……平滑コ
ンデンサ、５……トランジスタインバータ、６…
…交流リアクトル、７……誘導電動機、１１……
速度設定器、１２……加減速度調節器、１３……
Ｖ／Ｆ変換器、１４……関数発生器、１５……パ
ルス幅変調回路、１６……ベース駆動回路、２０
……加減速度調節器、２１……低周波数設定器、
２２……高周波数設定器、２３……始動スイツチ
、２４……停止スイツチ、２５……リレーＹ、２
５Ａ，２５Ｂ……リレーＹ接点、２６……タイマ
、２６Ａ……タイマ接点、２７……リレーＺ、２
７Ａ……リレーＺ接点。
FIG. 1 is a circuit diagram showing an embodiment of the present invention,
FIG. 2 is a graph showing the speed characteristics of the embodiment circuit shown in FIG. FIG. 3 is a circuit diagram showing a conventional example of an induction motor driven by an inverter that outputs variable voltage/variable frequency AC power.
The figure is a graph showing a conventional example of characteristics of an acceleration/deceleration regulator. 2... AC power supply, 3... Rectifier, 4... Smoothing capacitor, 5... Transistor inverter, 6...
...AC reactor, 7...Induction motor, 11...
Speed setter, 12... Acceleration/deceleration adjuster, 13...
V/F converter, 14...Function generator, 15...Pulse width modulation circuit, 16...Base drive circuit, 20
...Acceleration/deceleration adjuster, 21...Low frequency setting device,
22...High frequency setting device, 23...Start switch, 24...Stop switch, 25...Relay Y, 2
5A, 25B...Relay Y contact, 26...Timer, 26A...Timer contact, 27...Relay Z, 2
7A...Relay Z contact.
Claims (1)
の交流電力を交流リアクトルを介して誘導電動機
に供給し、当該誘導電動機を所定の速度変化率で
所望速度に到達させるようにしている電動機駆動
用インバータの制御装置において、停止中の前記
誘導電動機に始動を指令する手段と、始動指令と
ともに前記インバータに低い周波数の出力を指令
する低周波数指令手段と、始動指令から一定時間
を計時する限時手段と、この一定時間が経過すれ
ば前記インバータに高い周波数の出力を指令する
高周波数指令手段と、前記誘導電動機の速度変化
率を大きな値に設定できる加減速度調節手段とを
備えていることを特徴とする電動機駆動用インバ
ータの制御装置。 A motor drive inverter control device that supplies variable voltage variable frequency AC power output from an inverter to an induction motor via an AC reactor, and causes the induction motor to reach a desired speed at a predetermined speed change rate. means for instructing the stopped induction motor to start; low frequency command means for instructing the inverter to output a low frequency along with the start command; time limit means for timing a predetermined period of time from the start command; for driving an electric motor, comprising: high frequency command means for commanding the inverter to output a high frequency when the time has elapsed; and acceleration/deceleration adjustment means for setting the speed change rate of the induction motor to a large value. Inverter control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15202385U JPS6261195U (en) | 1985-10-03 | 1985-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15202385U JPS6261195U (en) | 1985-10-03 | 1985-10-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6261195U true JPS6261195U (en) | 1987-04-16 |
Family
ID=31069620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15202385U Pending JPS6261195U (en) | 1985-10-03 | 1985-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6261195U (en) |
-
1985
- 1985-10-03 JP JP15202385U patent/JPS6261195U/ja active Pending
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