JPS59122798U - Induction motor drive device using an inverter - Google Patents
Induction motor drive device using an inverterInfo
- Publication number
- JPS59122798U JPS59122798U JP1623283U JP1623283U JPS59122798U JP S59122798 U JPS59122798 U JP S59122798U JP 1623283 U JP1623283 U JP 1623283U JP 1623283 U JP1623283 U JP 1623283U JP S59122798 U JPS59122798 U JP S59122798U
- Authority
- JP
- Japan
- Prior art keywords
- induction motor
- inverter
- drive device
- motor drive
- reactor
- 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 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図は従来装置を示す回路図、第２図は第１図におけ
るインバータ出力波形図、第３図は交流リアクトルを設
けてなる従来装置を示す回路図、第４図はその出力波形
図、第５図は本考案の一実施例を示す回路図、第６図は
第５回動作を説明する特性図である。
１：インバータ主回路、２，２０：インバータ制御回路
、３：誘導電動機、４：交流リアクトル、６と６ａ：電
磁接触器とその接点、５：変流器ＣＴ０なお、図中、同
一符号は同−又は相当部分を示す。
・ｆ哩
←６FIG. 1 is a circuit diagram showing a conventional device, FIG. 2 is an inverter output waveform diagram in FIG. 1, FIG. 3 is a circuit diagram showing a conventional device provided with an AC reactor, and FIG. 4 is an output waveform diagram thereof. FIG. 5 is a circuit diagram showing one embodiment of the present invention, and FIG. 6 is a characteristic diagram explaining the fifth operation. 1: Inverter main circuit, 2, 20: Inverter control circuit, 3: Induction motor, 4: AC reactor, 6 and 6a: Magnetic contactor and its contacts, 5: Current transformer CT0 Note that the same reference numerals in the figure are the same. - or a corresponding portion.・f哩←6
Claims (1)
供給するようにしたインバータによる誘導電動機駆動装
置において、上記誘導電動機への負荷電流を検出する電
流変成器と、その検出電流値が所定値以上となった時に
上記交流リアクトル両端間を短絡する電磁接触器とを備
えたことを特徴とするインバータによる誘導電動機駆動
装置。In an induction motor drive device using an inverter that supplies inverter output to an induction motor via an AC reactor, a current transformer detects a load current to the induction motor, and the detected current value exceeds a predetermined value. An induction motor drive device using an inverter, comprising an electromagnetic contactor that sometimes shorts both ends of the AC reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1623283U JPS59122798U (en) | 1983-02-07 | 1983-02-07 | Induction motor drive device using an inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1623283U JPS59122798U (en) | 1983-02-07 | 1983-02-07 | Induction motor drive device using an inverter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59122798U true JPS59122798U (en) | 1984-08-18 |
| JPH0329995Y2 JPH0329995Y2 (en) | 1991-06-25 |
Family
ID=30147527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1623283U Granted JPS59122798U (en) | 1983-02-07 | 1983-02-07 | Induction motor drive device using an inverter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59122798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009035393A (en) * | 2007-08-02 | 2009-02-19 | Hitachi Ltd | Method and device for driving one half of elevator |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192800U (en) * | 1982-04-28 | 1982-12-07 |
-
1983
- 1983-02-07 JP JP1623283U patent/JPS59122798U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57192800U (en) * | 1982-04-28 | 1982-12-07 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009035393A (en) * | 2007-08-02 | 2009-02-19 | Hitachi Ltd | Method and device for driving one half of elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0329995Y2 (en) | 1991-06-25 |
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