JPH0176194U - - Google Patents
Info
- Publication number
- JPH0176194U JPH0176194U JP1987171053U JP17105387U JPH0176194U JP H0176194 U JPH0176194 U JP H0176194U JP 1987171053 U JP1987171053 U JP 1987171053U JP 17105387 U JP17105387 U JP 17105387U JP H0176194 U JPH0176194 U JP H0176194U
- Authority
- JP
- Japan
- Prior art keywords
- soft start
- circuit
- acceleration gradient
- inverter
- outputs
- 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
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
Description
第１図はこの考案の実施例を示す回路図、第２
図は従来の電動機駆動装置を示す回路図である。
１…周波数設定器、２…ソフトスタート回路、
３…加速勾配設定器、６…積分回路、７…制御器
、８…インバータ主回路、９…インバータ、２３
…コンデンサ、ＩＭ…誘導電動機、Ｌ…コイル移
送台車。
Figure 1 is a circuit diagram showing an embodiment of this invention, Figure 2 is a circuit diagram showing an embodiment of this invention.
The figure is a circuit diagram showing a conventional motor drive device. 1...Frequency setter, 2...Soft start circuit,
3... Acceleration gradient setter, 6... Integrating circuit, 7... Controller, 8... Inverter main circuit, 9... Inverter, 23
...Capacitor, IM...Induction motor, L...Coil transfer trolley.
Claims (1)
に出力するインバータと、加速勾配設定器の加速
勾配指令にもとづいてソフトスタート信号を出力
するソフトスタート回路とこのソフトスタート信
号に応じて前記インバータに点弧信号を出力する
制御器を有する制御回路とを備えた電動機駆動装
置において、前記加速勾配設定器に遅れ時間函数
回路を付設したことを特徴とする電動機駆動装置
。 An inverter that outputs a variable voltage, variable frequency AC voltage to an induction motor, a soft start circuit that outputs a soft start signal based on an acceleration gradient command from an acceleration gradient setting device, and a soft start circuit that ignites the inverter in response to this soft start signal. What is claimed is: 1. A motor drive device comprising: a control circuit having a controller for outputting a signal, wherein said acceleration gradient setting device is provided with a delay time function circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171053U JPH0176194U (en) | 1987-11-09 | 1987-11-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171053U JPH0176194U (en) | 1987-11-09 | 1987-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176194U true JPH0176194U (en) | 1989-05-23 |
Family
ID=31462534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171053U Pending JPH0176194U (en) | 1987-11-09 | 1987-11-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176194U (en) |
-
1987
- 1987-11-09 JP JP1987171053U patent/JPH0176194U/ja active Pending
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