JPS58100496U - Inverter protection device - Google Patents
Inverter protection deviceInfo
- Publication number
- JPS58100496U JPS58100496U JP19357781U JP19357781U JPS58100496U JP S58100496 U JPS58100496 U JP S58100496U JP 19357781 U JP19357781 U JP 19357781U JP 19357781 U JP19357781 U JP 19357781U JP S58100496 U JPS58100496 U JP S58100496U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- voltage
- current
- slip
- limit
- 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図は従来のスリップ制御式インバータを示すブロッ
ク図、第２図は本考案によるスリップ制御式インバニタ
の一実施例を示すグロック図、第３図は第２図の部分詳
細回路図、第４図は第２図に示すスリップ制御式インバ
ータの各要部の信号波形を示すタイムチャートである。
１・・・・・・誘導電動機、２１・・・・・・電圧制限
器、２３′・・・・・・スリップ制限器、２６・・・・
・・電流制限器。Fig. 1 is a block diagram showing a conventional slip control type inverter, Fig. 2 is a block diagram showing an embodiment of the slip control type inverter according to the present invention, Fig. 3 is a partial detailed circuit diagram of Fig. 2, and Fig. 4 is a block diagram showing a conventional slip control type inverter. This figure is a time chart showing signal waveforms of each main part of the slip control type inverter shown in FIG. 2. 1...Induction motor, 21...Voltage limiter, 23'...Slip limiter, 26...
...Current limiter.
Claims (1)
動機のスリップを制御して該誘導電動機の速度制御を行
なう速度制御系に用いられるインバータにおいて、 インバータの直流側の電圧の実際値とインバータの直流
側の電圧の制限値を定める電圧設定値とを比較して電圧
制限信号を出力する電圧制限手段と、インバータの電流
の実際値とインバータの電流の制限値を定める電流設定
値とを比較して電流制限信号を出力する電流制限手段と
、上記電圧制限手段と電流制限手段の出力信号に応じた
スリップ制限信号を出力するスリップ制限器とを備え、
インバータの電圧及び電流の変化に応じてスリップ制限
値を変更するようにしたことを特徴とするインバータの
保護装置。[Claims for Utility Model Registration] In an inverter used in a speed control system that controls the slip of an induction motor and controls the speed of the induction motor by controlling the output frequency of the inverter, Voltage limiting means that outputs a voltage limiting signal by comparing the actual value with a voltage setting value that determines the limit value of the voltage on the DC side of the inverter, and a current setting that determines the actual value of the inverter current and the limit value of the inverter current. and a slip limiter that outputs a slip limit signal according to the output signals of the voltage limit means and the current limit means,
An inverter protection device characterized in that a slip limit value is changed according to changes in the voltage and current of the inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19357781U JPS58100496U (en) | 1981-12-26 | 1981-12-26 | Inverter protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19357781U JPS58100496U (en) | 1981-12-26 | 1981-12-26 | Inverter protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58100496U true JPS58100496U (en) | 1983-07-08 |
Family
ID=30106928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19357781U Pending JPS58100496U (en) | 1981-12-26 | 1981-12-26 | Inverter protection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58100496U (en) |
-
1981
- 1981-12-26 JP JP19357781U patent/JPS58100496U/en active Pending
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