JPS5966340U - Open phase detection device for three-phase power supply - Google Patents
Open phase detection device for three-phase power supplyInfo
- Publication number
- JPS5966340U JPS5966340U JP16094782U JP16094782U JPS5966340U JP S5966340 U JPS5966340 U JP S5966340U JP 16094782 U JP16094782 U JP 16094782U JP 16094782 U JP16094782 U JP 16094782U JP S5966340 U JPS5966340 U JP S5966340U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- power supply
- detection device
- open
- phase power
- 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
- Emergency Protection Circuit Devices (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案に係る欠相検出装置の結線図、第２図は
欠相のない場合の三相トランス二次巻線に表われる電圧
ベクトル図、第３図は欠相時の電圧ベクトル図及び第４
図は抵抗デルタ結線を利用した本考案の他の実施例を示
す結線図である。
１・・・・・・三相電源、２・・・・・・三相モータ、
４・・・・・・三相トランス、５，８・・・・・・交流
リレー、７・・・・・・デルタ結線。Figure 1 is a wiring diagram of the phase loss detection device according to the present invention, Figure 2 is a voltage vector diagram appearing in the secondary winding of a three-phase transformer when there is no phase loss, and Figure 3 is a voltage vector diagram at the time of phase loss. Figure and 4th
The figure is a wiring diagram showing another embodiment of the present invention using resistance delta connection. 1... Three-phase power supply, 2... Three-phase motor,
4... Three-phase transformer, 5, 8... AC relay, 7... Delta connection.
Claims (3)
記平衡デルタ結線の相間の１つを開路して得られる両端
子間の電圧を検知することに基づいて、三相電源の欠相
を検出することを特徴とする三相電源の欠相検出装置。(1) Including a balanced delta connection wired to a three-phase power supply, an open phase of the three-phase power supply is determined based on detecting the voltage between both terminals obtained by opening one of the phases of the balanced delta connection. An open phase detection device for a three-phase power supply, characterized by detecting.
ンスの二次巻線で形成されたものであることを特徴とす
る実用新案登録請求の範囲第１項記載の三相電源の欠相
検出装置。(2) An open phase of the three-phase power supply according to claim 1 of the utility model registration claim, characterized in that the balanced delta connection is formed by secondary windings of three-phase transformers connected in phase order. Detection device.
を特徴とする実用新案登録請求の範囲第１項記載の三相
電源の欠相検出装置。(3) The open phase detection device for a three-phase power supply according to claim 1, wherein the balanced delta connection is a resistance delta connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16094782U JPS5966340U (en) | 1982-10-22 | 1982-10-22 | Open phase detection device for three-phase power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16094782U JPS5966340U (en) | 1982-10-22 | 1982-10-22 | Open phase detection device for three-phase power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5966340U true JPS5966340U (en) | 1984-05-04 |
Family
ID=30353857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16094782U Pending JPS5966340U (en) | 1982-10-22 | 1982-10-22 | Open phase detection device for three-phase power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5966340U (en) |
-
1982
- 1982-10-22 JP JP16094782U patent/JPS5966340U/en active Pending
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