JPH0283698U - - Google Patents
Info
- Publication number
- JPH0283698U JPH0283698U JP1988161149U JP16114988U JPH0283698U JP H0283698 U JPH0283698 U JP H0283698U JP 1988161149 U JP1988161149 U JP 1988161149U JP 16114988 U JP16114988 U JP 16114988U JP H0283698 U JPH0283698 U JP H0283698U
- Authority
- JP
- Japan
- Prior art keywords
- torque
- compressor
- component current
- control device
- pulsating
- 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 4
- 230000005284 excitation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Electric Motors In General (AREA)
- Control Of Ac Motors In General (AREA)
Description
第１図は従来のベクトル制御の回路構成図、第
２図は本考案の一実施例の回路構成図、第３図は
同実施例の動作説明図である。
１…主軸、１１…誘導電動機、１３…電動圧縮
機、１４…センサ。
FIG. 1 is a circuit diagram of a conventional vector control, FIG. 2 is a circuit diagram of an embodiment of the present invention, and FIG. 3 is an explanatory diagram of the operation of the embodiment. DESCRIPTION OF SYMBOLS 1...Main shaft, 11...Induction motor, 13...Electric compressor, 14...Sensor.
Claims (1)
て該圧縮機を駆動する誘導電動機と、該誘導電動
機を可変速駆動できる制御装置を有する物におい
て、主軸の１回転を検出するセンサから得られる
信号により、圧縮機のトルクに近似した電動機の
出力トルクを発生し、主軸１回転の速度差を少な
くすることを特徴とした電動圧縮機のトルク制御
装置。 (2) 前記誘導電動機の励磁成分電流とトルク成
分電流とを独立に制御し、トルク成分電流に比例
した瞬時トルクを発生することを特徴とした請求
項１記載の電動圧縮機のトルク制御装置。 (3) 前記主軸の１回転を検出するセンサから得
られる信号で速度のフイードバツクをかけ、平均
トルク成分電流指令を演算する圧縮機トルクの脈
動成分については、複数個の脈動パターンを出力
できる脈動トルク指令発生回路が前記センサから
得られるタイミングにより、脈動トルク成分電流
指令を発し、前記平均トルク成分電流指令と合成
したトルク成分電流指令により電動機の瞬時トル
クを制御することを特徴とした請求項１記載の電
動圧縮機のトルク制御装置。[Claims for Utility Model Registration] (1) In an article that has a compressor such as an air conditioner, an induction motor that drives the compressor through a common shaft, and a control device that can drive the induction motor at variable speed, A torque control device for an electric compressor, characterized in that a signal obtained from a sensor that detects one rotation of the motor generates an output torque of an electric motor that approximates the torque of the compressor, thereby reducing a speed difference between one rotation of the main shaft. (2) The torque control device for an electric compressor according to claim 1, wherein an excitation component current and a torque component current of the induction motor are independently controlled to generate instantaneous torque proportional to the torque component current. (3) For the pulsating component of the compressor torque, the average torque component current command is calculated by applying speed feedback using a signal obtained from a sensor that detects one rotation of the main shaft.A pulsating torque that can output multiple pulsating patterns. 2. A command generating circuit according to claim 1, wherein the command generation circuit issues a pulsating torque component current command based on the timing obtained from the sensor, and controls the instantaneous torque of the electric motor using the torque component current command combined with the average torque component current command. Torque control device for electric compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988161149U JPH0283698U (en) | 1988-12-12 | 1988-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988161149U JPH0283698U (en) | 1988-12-12 | 1988-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0283698U true JPH0283698U (en) | 1990-06-28 |
Family
ID=31443847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988161149U Pending JPH0283698U (en) | 1988-12-12 | 1988-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0283698U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63147987A (en) * | 1986-12-09 | 1988-06-20 | Daikin Ind Ltd | Vibration reducing device for rotary compressor |
-
1988
- 1988-12-12 JP JP1988161149U patent/JPH0283698U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63147987A (en) * | 1986-12-09 | 1988-06-20 | Daikin Ind Ltd | Vibration reducing device for rotary compressor |
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