JPS58176600U - electric motor drive device - Google Patents
electric motor drive deviceInfo
- Publication number
- JPS58176600U JPS58176600U JP7196982U JP7196982U JPS58176600U JP S58176600 U JPS58176600 U JP S58176600U JP 7196982 U JP7196982 U JP 7196982U JP 7196982 U JP7196982 U JP 7196982U JP S58176600 U JPS58176600 U JP S58176600U
- Authority
- JP
- Japan
- Prior art keywords
- drive device
- motor drive
- electric motor
- circuit
- variable
- 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
Landscapes
- Control Of Ac Motors In General (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図は従来の可変速モータ駆動装置のブロック図、第
２図は本考案の可変速モータの駆動装置のブロック図、
第３図は直流電圧Ａとチョッパ動作Ｂ波形図、第４図は
チョッパの駆動、停止動作時の直流電圧Ａとチョッパ動
作Ｂ波形図、第５図は３パルスＰＷＭインバータ出力波
形の歪率特性図である。
１・・・交流電源、２・・・整流器、３・・・チョッパ
、４・・・フィルタ、５・・・インバータ、６・・・電
動機、７・・・チョッパ制御回路、８・・・インバータ
制御回路、９・・・電動機制御装置。FIG. 1 is a block diagram of a conventional variable speed motor drive device, FIG. 2 is a block diagram of a variable speed motor drive device of the present invention,
Figure 3 is a DC voltage A and chopper operation B waveform diagram, Figure 4 is a DC voltage A and chopper operation B waveform diagram during chopper drive and stop operation, and Figure 5 is the distortion rate characteristic of the 3-pulse PWM inverter output waveform. It is a diagram. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Rectifier, 3... Chopper, 4... Filter, 5... Inverter, 6... Electric motor, 7... Chopper control circuit, 8... Inverter Control circuit, 9... electric motor control device.
Claims (1)
機駆動装置において、前記直流可変回路の動作周波数を
高周波化し、かつ、間欠運転するようにしたことを特徴
とする電動機駆動装置。A motor drive device comprising a variable DC circuit, a smoothing circuit, and an inverse conversion circuit, characterized in that the variable DC circuit has a high operating frequency and is operated intermittently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7196982U JPS58176600U (en) | 1982-05-19 | 1982-05-19 | electric motor drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7196982U JPS58176600U (en) | 1982-05-19 | 1982-05-19 | electric motor drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58176600U true JPS58176600U (en) | 1983-11-25 |
Family
ID=30081557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7196982U Pending JPS58176600U (en) | 1982-05-19 | 1982-05-19 | electric motor drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58176600U (en) |
-
1982
- 1982-05-19 JP JP7196982U patent/JPS58176600U/en active Pending
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