JPH03117397U - - Google Patents
Info
- Publication number
- JPH03117397U JPH03117397U JP2695390U JP2695390U JPH03117397U JP H03117397 U JPH03117397 U JP H03117397U JP 2695390 U JP2695390 U JP 2695390U JP 2695390 U JP2695390 U JP 2695390U JP H03117397 U JPH03117397 U JP H03117397U
- Authority
- JP
- Japan
- Prior art keywords
- inverter device
- shaft
- voltage
- output frequency
- induction 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.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Control Of Position Or Direction (AREA)
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図〜第４図はこの考案の一実施例に係り、
第１図はインバータ装置を示す構成図、第２図は
停止位置決め制御の動作の詳細を示すフローチヤ
ート、第３図はインバータ装置の出力する周波数
と誘導電動機の軸の位置との関係を示す図、第４
図はインバータ装置の出力周波数と経過時間の関
係を示す図、第５図〜第７図は従来のインバータ
装置に係り、第５図は従来例の実施例を示す構成
図、第６図は停止位置決め制御の動作の詳細を示
すフローチヤート、第７図は従来例のインバータ
装置が出力する周波数と誘導電動機の軸の位置の
関係を示す図である。
図において、４……インバータ部、６……誘導
電動機、７……パルスエンコーダ、９……制御回
路である。なお、図中、同一符号は同一、または
相当部分を示す。
Figures 1 to 4 relate to an embodiment of this invention,
Fig. 1 is a configuration diagram showing the inverter device, Fig. 2 is a flowchart showing details of the operation of stop positioning control, and Fig. 3 is a diagram showing the relationship between the frequency output by the inverter device and the position of the shaft of the induction motor. , 4th
The figure shows the relationship between the output frequency and the elapsed time of an inverter device, Figures 5 to 7 relate to a conventional inverter device, Figure 5 is a configuration diagram showing an example of the conventional example, and Figure 6 shows a stopped state. FIG. 7 is a flowchart showing the details of the positioning control operation, and is a diagram showing the relationship between the frequency output by the conventional inverter device and the position of the shaft of the induction motor. In the figure, 4...inverter section, 6...induction motor, 7...pulse encoder, 9...control circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
より交流電圧に変換するインバータ装置と、この
インバータ装置により駆動される誘導電導機と、
この誘導電動機の軸につながれ、軸の速度と位置
を検出する検出器により、誘導電動機の軸の停止
位置決め制御において、停止目標位置にいきつく
前に誘導電動機につながれた負荷の摩擦で誘導電
動機の軸が停止してしまつた場合停止した状態が
一定時間つづくと、インバータ装置の出力周波数
を出力電圧／出力周波数一定の関係で一定時間間
隔で増加させ、誘導電動機の軸が動き出すと、出
力周波数を出力電圧／出力周波数一定の関係で下
げる手段を備えたインバータ装置。 An inverter device that converts DC voltage into AC voltage using bridge-connected transistors, an induction machine driven by the inverter device,
A detector connected to the shaft of the induction motor that detects the speed and position of the shaft is used to control the stop positioning of the shaft of the induction motor. If the stopped state continues for a certain period of time, the output frequency of the inverter device is increased at a certain time interval with the relationship of output voltage/output frequency constant, and when the shaft of the induction motor starts moving, the output frequency is increased. An inverter device equipped with a means to lower the voltage/output frequency in a constant relationship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2695390U JPH087835Y2 (en) | 1990-03-16 | 1990-03-16 | Inverter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2695390U JPH087835Y2 (en) | 1990-03-16 | 1990-03-16 | Inverter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03117397U true JPH03117397U (en) | 1991-12-04 |
| JPH087835Y2 JPH087835Y2 (en) | 1996-03-04 |
Family
ID=31529828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2695390U Expired - Fee Related JPH087835Y2 (en) | 1990-03-16 | 1990-03-16 | Inverter device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087835Y2 (en) |
-
1990
- 1990-03-16 JP JP2695390U patent/JPH087835Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087835Y2 (en) | 1996-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |