JPS646740U - - Google Patents
Info
- Publication number
- JPS646740U JPS646740U JP9835887U JP9835887U JPS646740U JP S646740 U JPS646740 U JP S646740U JP 9835887 U JP9835887 U JP 9835887U JP 9835887 U JP9835887 U JP 9835887U JP S646740 U JPS646740 U JP S646740U
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- photoelectric converter
- rotating
- section
- exciter
- 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
- Protection Of Generators And Motors (AREA)
- Synchronous Machinery (AREA)
Description
第１図は本考案の実施例に係るブラシレス交流
発電機の地絡検出装置の回路図、第２図は従来の
ブラシレス交流発電機の地絡検出装置の回路図で
ある。
３…交流励磁機、４…回転整流器、５…界磁巻
線、９…電圧検出器、１１…比較器、１３…サイ
リスタスイツチ、１４…地絡継電器、１５…出力
リレー、２０…第１の光電変換器、２１…光源、
２２…太陽電池、３０…第２の光電変換器、３１
…発光ダイオード、３２…ホトトランジスタ、Ｓ
…固定部、Ｒ…回転部。
FIG. 1 is a circuit diagram of a ground fault detection device for a brushless alternator according to an embodiment of the present invention, and FIG. 2 is a circuit diagram of a conventional ground fault detection device for a brushless alternator. 3... AC exciter, 4... Rotating rectifier, 5... Field winding, 9... Voltage detector, 11... Comparator, 13... Thyristor switch, 14... Earth fault relay, 15... Output relay, 20... First Photoelectric converter, 21... light source,
22...Solar cell, 30...Second photoelectric converter, 31
...Light emitting diode, 32...Phototransistor, S
...fixed part, R...rotating part.
Claims (1)
交流励磁機の交流出力電力を整流して発電機の界
磁巻線に界磁電流を供給する回転整流器と、前記
界磁巻線の地絡を検出する地絡継電器と、該地絡
継電器に制御電力を供給する第１の光電変換器の
受光部と、前記地絡継電器の検出信号を回転部か
ら固定部に伝送する第２の光電変換器の発光部を
前記回転部に設けると共に、前記第１の光電変換
器の発光部と前記第２の光電変換器の受光部を前
記固定部に配設して構成したことを特徴とするブ
ラシレス交流発電機の地絡検出装置。 It consists of a fixed part and a rotating part, and includes an AC exciter, a rotating rectifier that rectifies the AC output power of the AC exciter and supplies field current to the field winding of the generator, and a ground fault relay that detects a ground fault, a light receiving section of a first photoelectric converter that supplies control power to the ground fault relay, and a second photoelectric converter that transmits a detection signal of the ground fault relay from a rotating section to a fixed section. The light emitting part of the photoelectric converter is provided in the rotating part, and the light emitting part of the first photoelectric converter and the light receiving part of the second photoelectric converter are arranged in the fixed part. Ground fault detection device for brushless alternators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9835887U JPS646740U (en) | 1987-06-26 | 1987-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9835887U JPS646740U (en) | 1987-06-26 | 1987-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646740U true JPS646740U (en) | 1989-01-13 |
Family
ID=31324549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9835887U Pending JPS646740U (en) | 1987-06-26 | 1987-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638811U (en) * | 1992-11-04 | 1994-05-24 | 株式会社貝印刃物開発センター | Makeup pad and its set |
-
1987
- 1987-06-26 JP JP9835887U patent/JPS646740U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0638811U (en) * | 1992-11-04 | 1994-05-24 | 株式会社貝印刃物開発センター | Makeup pad and its set |