JPS5915294U - Electric motor control device - Google Patents
Electric motor control deviceInfo
- Publication number
- JPS5915294U JPS5915294U JP1982108812U JP10881282U JPS5915294U JP S5915294 U JPS5915294 U JP S5915294U JP 1982108812 U JP1982108812 U JP 1982108812U JP 10881282 U JP10881282 U JP 10881282U JP S5915294 U JPS5915294 U JP S5915294U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- power source
- voltage power
- changeover switch
- variable voltage
- 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
Landscapes
- Control Of Direct Current Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電動機の制御装置の制御系統図、第２図
は従来の電動機の制御装置により運転した場合のタイム
チャート、第３図は本考案による電動機の制御装置の制
御系統図、第４図は本考案の電動機の制御装置により運
転した場合のタイムチャートである。
１・・・電動機、２・・・（一方向）電力変換器、３−
１．４−１・・・切替スイッチ、５・・・交流電源、６
・・・切替装置、７・・・加速制限回路、７−２・・・
スイッチ、８・・・速度検出器、９・・・速度制御回路
、１０・・・電流検出回路、１１・・・電流制御回路、
１２・・・位相制御回路、１３・・・変流器、１４・・
・正逆切替回路、１５・・・フリップフロップ、１６・
・・零電流検出回路、１７・・・ＯＲ回路、１８−１．
１８−２・・・ＡＮＤ回路、１９−１．１９−２・・・
遅延回路。Fig. 1 is a control system diagram of a conventional electric motor control device, Fig. 2 is a time chart when operating with a conventional electric motor control device, and Fig. 3 is a control system diagram of the electric motor control device according to the present invention. FIG. 4 is a time chart when the motor is operated by the electric motor control device of the present invention. 1... Electric motor, 2... (One-way) power converter, 3-
1.4-1... Selector switch, 5... AC power supply, 6
...Switching device, 7...Acceleration limiting circuit, 7-2...
Switch, 8... Speed detector, 9... Speed control circuit, 10... Current detection circuit, 11... Current control circuit,
12... Phase control circuit, 13... Current transformer, 14...
・Forward/reverse switching circuit, 15...Flip-flop, 16・
...Zero current detection circuit, 17...OR circuit, 18-1.
18-2...AND circuit, 19-1.19-2...
delay circuit.
Claims (1)
源により駆動される電動機と、前記可変電圧電源から前
記電動機へ通電する電流方向を切替える切替スイッチを
具備し、電流制御系をマイナーに有し電流基準信号の極
性に応じて前記切替スイッチの切替を行う電動機の制御
装置に於て、速度設定信号を入力としランプ関数発生回
路を内部に具備し所定の加減速率に制限した速度基準信
号を出力する加速制限回路と、前記切替スイッチの切替
指令信号により切替期間中だけ前記ランプ□ 関数発
生回路の入力信号を零として前記速度基準信号を保持す
る切替保護回路を設けたことを特徴とする電動機の制御
装置。It is equipped with a variable voltage power source that conducts current in only one direction, a motor driven by the variable voltage power source, and a changeover switch that switches the direction of current flowing from the variable voltage power source to the motor, and has a minor current control system. In a motor control device that switches the changeover switch according to the polarity of a current reference signal, the speed setting signal is input, a ramp function generation circuit is provided inside, and a speed reference signal limited to a predetermined acceleration/deceleration rate is output. and a switching protection circuit that maintains the speed reference signal by setting the input signal of the lamp □ function generating circuit to zero only during the switching period according to the switching command signal of the changeover switch. Control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982108812U JPS5915294U (en) | 1982-07-20 | 1982-07-20 | Electric motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982108812U JPS5915294U (en) | 1982-07-20 | 1982-07-20 | Electric motor control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5915294U true JPS5915294U (en) | 1984-01-30 |
| JPS6316316Y2 JPS6316316Y2 (en) | 1988-05-10 |
Family
ID=30253719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982108812U Granted JPS5915294U (en) | 1982-07-20 | 1982-07-20 | Electric motor control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5915294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02285990A (en) * | 1989-04-25 | 1990-11-26 | Fuji Electric Co Ltd | Controlling method for speed of dc motor |
-
1982
- 1982-07-20 JP JP1982108812U patent/JPS5915294U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02285990A (en) * | 1989-04-25 | 1990-11-26 | Fuji Electric Co Ltd | Controlling method for speed of dc motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6316316Y2 (en) | 1988-05-10 |
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