JPS5849596U - Control method of induction motor - Google Patents
Control method of induction motorInfo
- Publication number
- JPS5849596U JPS5849596U JP14409981U JP14409981U JPS5849596U JP S5849596 U JPS5849596 U JP S5849596U JP 14409981 U JP14409981 U JP 14409981U JP 14409981 U JP14409981 U JP 14409981U JP S5849596 U JPS5849596 U JP S5849596U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- control method
- phase
- excitation coil
- inverter
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のＰＷＭ制御可変周波インバータ制御誘導
電動機の制御回路図、第２図はインバータ制御方式と、
直接電源に誘導電動機を接続した場合の各々に対する出
力−効率特性図、第３図は本考案の切換回路を持った制
御方式の誘導電動機の制御回路図である。
１・・・インバータ制御による誘導電動機の出力−効率
曲線、２・・・インバータを経由せずに直接誘導電動機
を交流電源に接続した場合の出力−効率曲線、３・・・
計器用変流器、４・・・電流継電器励磁コイル、５・・
・電流継電器励磁コイルＡ接点、６・・・電磁開閉器励
磁コイル、７・・・電磁開閉器励磁コイルＡ接点、８・
・・電磁開閉器励磁コイルＢ接点、９・・・インバータ
入力側電磁開閉器。Figure 1 is a control circuit diagram of a conventional PWM controlled variable frequency inverter controlled induction motor, Figure 2 is an inverter control method,
Output-efficiency characteristic diagrams for each case where the induction motor is directly connected to a power source. FIG. 3 is a control circuit diagram of an induction motor using a control method having a switching circuit according to the present invention. 1... Output-efficiency curve of an induction motor controlled by an inverter, 2... Output-efficiency curve when the induction motor is directly connected to an AC power supply without going through an inverter, 3...
Instrument current transformer, 4... Current relay excitation coil, 5...
・Current relay excitation coil A contact, 6... Electromagnetic switch excitation coil, 7... Electromagnetic switch excitation coil A contact, 8.
... Electromagnetic switch excitation coil B contact, 9... Inverter input side electromagnetic switch.
Claims (1)
機において、三相交流電源に誘導電動機を接続する方式
を用いることを特徴とする誘導電動機の制御方式。A control method for an induction motor, which uses a method of connecting the induction motor to a three-phase AC power source in a three-phase induction motor using a PWM control station wave inverter control method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14409981U JPS5849596U (en) | 1981-09-30 | 1981-09-30 | Control method of induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14409981U JPS5849596U (en) | 1981-09-30 | 1981-09-30 | Control method of induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5849596U true JPS5849596U (en) | 1983-04-04 |
Family
ID=29937066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14409981U Pending JPS5849596U (en) | 1981-09-30 | 1981-09-30 | Control method of induction motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5849596U (en) |
-
1981
- 1981-09-30 JP JP14409981U patent/JPS5849596U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5849596U (en) | Control method of induction motor | |
| JPS5822801U (en) | electric car control device | |
| JPS59138394U (en) | capacitor charging device | |
| JPS5826196U (en) | composite cooker | |
| JPS5975786U (en) | high voltage power supply | |
| JPS59132384U (en) | Inverter device | |
| JPS5814694U (en) | Power supply for induction cooker | |
| JPS62119891A (en) | Induction heating cooker inverter | |
| JPS605296U (en) | Induction motor drive device | |
| JPS58170796U (en) | Output control device for high frequency induction heating equipment | |
| JPS6038079U (en) | Switching power supply circuit | |
| JPS5955983U (en) | washing machine | |
| JPS6117892U (en) | Regenerative power discharge device for inverter equipment | |
| JPS5828599U (en) | electric motor drive device | |
| JPS60147998U (en) | variable speed single phase motor | |
| JPS5811309U (en) | magnetron oscillator | |
| JPS6032791U (en) | Safety device for high frequency oscillation circuit | |
| JPS5918597U (en) | Electric motor for refrigeration compressor | |
| JPS6270693U (en) | ||
| JPS5826195U (en) | composite cooker | |
| JPS6082998U (en) | Secondary excitation control device for wound induction motor | |
| JPS58162702U (en) | AC electric car main circuit | |
| JPS59111496U (en) | transformer | |
| JPS60124296U (en) | Stationary Servius device | |
| JPS59190794U (en) | hoist |