JPS63110691U - - Google Patents
Info
- Publication number
- JPS63110691U JPS63110691U JP277287U JP277287U JPS63110691U JP S63110691 U JPS63110691 U JP S63110691U JP 277287 U JP277287 U JP 277287U JP 277287 U JP277287 U JP 277287U JP S63110691 U JPS63110691 U JP S63110691U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- braking
- controlling
- induction motor
- current
- 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 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Non-Positive Displacement Air Blowers (AREA)
Description
第１図は本考案に係る装置の好適な実施例を示
すブロツク図、第２図は実施例の作用を説明する
特性図である。
１０…誘導電動機、１２…チヨツパ、１４…イ
ンバータ、１６…回転センサ、１８…回転数検出
回路、２０…電流制御器、２２…直流制動制御回
路、２４…交流制動制御回路、２６…切替回路。
FIG. 1 is a block diagram showing a preferred embodiment of the device according to the present invention, and FIG. 2 is a characteristic diagram illustrating the operation of the embodiment. DESCRIPTION OF SYMBOLS 10... Induction motor, 12... Chopper, 14... Inverter, 16... Rotation sensor, 18... Rotation speed detection circuit, 20... Current controller, 22... DC braking control circuit, 24... AC braking control circuit, 26... Switching circuit.
Claims (1)
る誘導電動機の回転数を検出するモータ回転数検
出手段と、 誘導電動機の検出回転数が制動切替回転数へ低
下するまで、誘導電動機に供給される交流電流を
制御して該電動機を制動する交流制動手段と、 誘導電動機の検出回転数が制動切替回転数へ低
下したときから、誘導電動機へ直流電流を供給し
該電動機を制動停止する直流制動手段と、 電動機制動用の直流電流を誘導電動機の検出回
転数に応じて減少制御する制動電流制御手段と、 を有することを特徴とする磁気軸受式ターボ分子
ポンプのロータ駆動モータ制御装置。[Scope of Claim for Utility Model Registration] Motor rotation speed detection means for detecting the rotation speed of an induction motor that drives the rotor of a magnetic bearing type turbomolecular pump; an AC braking means for controlling an AC current supplied to the induction motor to brake the motor; and an AC braking means for controlling an AC current supplied to the induction motor to brake the motor; A rotor drive motor for a magnetic bearing type turbomolecular pump, comprising: DC braking means for braking to a stop; and braking current control means for controlling a DC current for braking the motor to decrease in accordance with the detected rotational speed of the induction motor. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP277287U JPS63110691U (en) | 1987-01-12 | 1987-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP277287U JPS63110691U (en) | 1987-01-12 | 1987-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63110691U true JPS63110691U (en) | 1988-07-15 |
Family
ID=30781926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP277287U Pending JPS63110691U (en) | 1987-01-12 | 1987-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63110691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270700A (en) * | 2009-05-22 | 2010-12-02 | Nissan Motor Co Ltd | Stop control device for fuel battery compressor |
-
1987
- 1987-01-12 JP JP277287U patent/JPS63110691U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010270700A (en) * | 2009-05-22 | 2010-12-02 | Nissan Motor Co Ltd | Stop control device for fuel battery compressor |
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