JPS5956994U - Reverse rotation prevention device for three-phase motors - Google Patents
Reverse rotation prevention device for three-phase motorsInfo
- Publication number
- JPS5956994U JPS5956994U JP15159382U JP15159382U JPS5956994U JP S5956994 U JPS5956994 U JP S5956994U JP 15159382 U JP15159382 U JP 15159382U JP 15159382 U JP15159382 U JP 15159382U JP S5956994 U JPS5956994 U JP S5956994U
- Authority
- JP
- Japan
- Prior art keywords
- resistive load
- reverse rotation
- prevention device
- rotation prevention
- phase
- 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、第２図は従来例を示し一１第１図は装置を用い
た場合の回路図、第２図は装置の構成を示す回路図、第
３図は動作原理を説明するための回路図、第４図は正相
順の電源電圧を示すベクトル −図、第５図は逆相順
の電源電圧を示すベクトル図、第６図〜第８゛図はこの
考案の一実施例を示し、第６図は装置の構成を示す回路
薗、第７図は動作原 ・理を示すための回路図、第８
図は装置を用いた場 合の回路図である。
図において、同一符号は同一または相当部分を示し、′
１は３相電源、１０は第１直列回路、１１は第１抵抗性
負荷、１２は第２抵抗性負荷、１３は第２直列回路、１
４は第３抵抗性負荷、１ｐは誘導性負荷、１６はネオン
ランプである。Figures 1 and 2 show conventional examples. Figure 1 is a circuit diagram when the device is used, Figure 2 is a circuit diagram showing the configuration of the device, and Figure 3 is a diagram for explaining the operating principle. The circuit diagram, FIG. 4 is a vector diagram showing power supply voltages in positive phase order, FIG. 5 is a vector diagram showing power supply voltages in reverse phase order, and FIGS. 6 to 8 show one embodiment of this invention. Figure 6 is a circuit diagram showing the configuration of the device, Figure 7 is a circuit diagram showing the principle of operation, and Figure 8 is a circuit diagram showing the principle of operation.
The figure is a circuit diagram when the device is used. In the figures, the same reference numerals indicate the same or corresponding parts;
1 is a three-phase power supply, 10 is a first series circuit, 11 is a first resistive load, 12 is a second resistive load, 13 is a second series circuit, 1
4 is a third resistive load, 1p is an inductive load, and 16 is a neon lamp.
Claims (1)
端子を設けた第１直列回路と、第３抵抗性負荷と誘導性
負荷とを接続する第２中間端子を設けた第２直列回路と
を設け、第１抵抗性負荷及び第３抵抗性負荷とを３相電
源の任意の１相に、上記第２抵抗性負荷と上記誘導性負
荷とを他の２相にそれぞれ接続するとともに、上記第１
及び第２中間端子間にネオンランプを設け、このネオン
ランプの点灯の有無により相順を検出し、逆回転を防止
することを特徴とする三相電動機゛の逆回転防止装置。A first series circuit includes a first intermediate terminal connecting a first resistive load and a second resistive load, and a second series circuit includes a second intermediate terminal connecting a third resistive load and an inductive load. A series circuit is provided, and the first resistive load and the third resistive load are connected to any one phase of the three-phase power supply, and the second resistive load and the inductive load are connected to the other two phases. In addition, the above first
A reverse rotation prevention device for a three-phase electric motor, characterized in that a neon lamp is provided between the first intermediate terminal and the second intermediate terminal, and the phase order is detected based on whether or not the neon lamp is lit to prevent reverse rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15159382U JPS5956994U (en) | 1982-10-06 | 1982-10-06 | Reverse rotation prevention device for three-phase motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15159382U JPS5956994U (en) | 1982-10-06 | 1982-10-06 | Reverse rotation prevention device for three-phase motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5956994U true JPS5956994U (en) | 1984-04-13 |
Family
ID=30335884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15159382U Pending JPS5956994U (en) | 1982-10-06 | 1982-10-06 | Reverse rotation prevention device for three-phase motors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956994U (en) |
-
1982
- 1982-10-06 JP JP15159382U patent/JPS5956994U/en active Pending
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