JPH0226396U - - Google Patents
Info
- Publication number
- JPH0226396U JPH0226396U JP10261988U JP10261988U JPH0226396U JP H0226396 U JPH0226396 U JP H0226396U JP 10261988 U JP10261988 U JP 10261988U JP 10261988 U JP10261988 U JP 10261988U JP H0226396 U JPH0226396 U JP H0226396U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- variable speed
- inverter
- power source
- frequency
- 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
- 230000006698 induction Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Ac Motors In General (AREA)
Description
第１図は本考案の一実施例を示す装置構成図、
第２図は従来の商用電源切換方式の装置構成図で
ある。
１……商用電源、２……インバータ、３……誘
導電動機、４Ａ，４Ｂ……切換スイツチ、５……
降圧トランス。
FIG. 1 is an apparatus configuration diagram showing an embodiment of the present invention;
FIG. 2 is a diagram showing the configuration of a conventional commercial power supply switching system. 1... Commercial power supply, 2... Inverter, 3... Induction motor, 4A, 4B... Changeover switch, 5...
Step-down transformer.
Claims (1)
バータの予備電源にする商用電源で該誘導電動機
を定速運転可能にした可変速制御装置において、
前記誘導電動機は前記定速運転周波数が前記可変
速運転の最高周波数の半分になる同期速度を持つ
極数構成にし、前記商用電源から誘導電動機への
接続に周波数／電圧比をインバータのそれに一致
させるトランスを設けたことを特徴とする誘導電
動機の可変速制御装置。 In a variable speed control device that operates an induction motor at variable speed using an inverter and enables constant speed operation of the induction motor using a commercial power source that serves as a backup power source for the inverter,
The induction motor has a pole number configuration with a synchronous speed in which the constant speed operation frequency is half the maximum frequency of the variable speed operation, and the frequency/voltage ratio of the connection from the commercial power source to the induction motor matches that of an inverter. A variable speed control device for an induction motor, characterized by being equipped with a transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10261988U JPH0226396U (en) | 1988-08-02 | 1988-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10261988U JPH0226396U (en) | 1988-08-02 | 1988-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0226396U true JPH0226396U (en) | 1990-02-21 |
Family
ID=31332690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10261988U Pending JPH0226396U (en) | 1988-08-02 | 1988-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0226396U (en) |
-
1988
- 1988-08-02 JP JP10261988U patent/JPH0226396U/ja active Pending