JPS58105794U - AC motor starting limiting device - Google Patents
AC motor starting limiting deviceInfo
- Publication number
- JPS58105794U JPS58105794U JP223782U JP223782U JPS58105794U JP S58105794 U JPS58105794 U JP S58105794U JP 223782 U JP223782 U JP 223782U JP 223782 U JP223782 U JP 223782U JP S58105794 U JPS58105794 U JP S58105794U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- starting
- autotransformer
- reactor
- motor
- 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
- Motor And Converter Starters (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図は本考案による交流電動機の起動制限装−４置の
一実施例を示す系統図、第２図および第３図はそれぞれ
第１図におけるサーチコイルの温度−抵抗特性および温
度−電圧特性の一例を示す図である。
１・・・電源しゃ断器、２・・・起動用リアクトル、３
・・・リアクトル短絡用しゃ断器、４・・・交流電動機
、５・・・温度検出器、６・・・抵抗電圧変換器、７・
・・電圧増幅器、８・・・許容温度設定器、９・・・減
算器、１０・・・比較器、１１・・・予測温度上昇設定
器、１２・・・リレーユニット。Fig. 1 is a system diagram showing an embodiment of the AC motor starting restriction device according to the present invention, and Figs. 2 and 3 show the temperature-resistance characteristics and temperature-voltage characteristics of the search coil in Fig. 1, respectively. It is a figure showing an example. 1... Power breaker, 2... Starting reactor, 3
...Reactor short-circuit breaker, 4.AC motor, 5.Temperature detector, 6.Resistance voltage converter, 7.
...Voltage amplifier, 8. Allowable temperature setter, 9. Subtractor, 10. Comparator, 11. Predicted temperature rise setter, 12. Relay unit.
Claims (1)
を検出する温度検出器と、起動用リアクトルまたは単巻
変圧器の許容温度を設定する許容ゝ 温度設
定器と、１回の電動機起動による起動用リアクトルまた
は単巻変圧器の温度上昇を予測設定する予測温度上昇設
定器と、上記許容温度と検出温度との差が予測温度上昇
より小さいとき交流電動機の起動を禁止するイ゛ンター
ロック回路を備えたことを特徴とする交流電動機の起動
制限装置。A temperature detector that detects the temperature of the starting reactor or autotransformer of an AC motor, a temperature setting device that sets the permissible temperature of the starting reactor or autotransformer, and a temperature setting device that detects the temperature of the starting reactor or autotransformer. Equipped with a predicted temperature rise setting device that predicts and sets the temperature rise of the reactor or autotransformer, and an interlock circuit that prohibits starting the AC motor when the difference between the above-mentioned allowable temperature and the detected temperature is smaller than the predicted temperature rise. A starting restriction device for an AC motor, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP223782U JPS58105794U (en) | 1982-01-13 | 1982-01-13 | AC motor starting limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP223782U JPS58105794U (en) | 1982-01-13 | 1982-01-13 | AC motor starting limiting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58105794U true JPS58105794U (en) | 1983-07-19 |
Family
ID=30015223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP223782U Pending JPS58105794U (en) | 1982-01-13 | 1982-01-13 | AC motor starting limiting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58105794U (en) |
-
1982
- 1982-01-13 JP JP223782U patent/JPS58105794U/en active Pending
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