JPH0242830U - - Google Patents
Info
- Publication number
- JPH0242830U JPH0242830U JP12261888U JP12261888U JPH0242830U JP H0242830 U JPH0242830 U JP H0242830U JP 12261888 U JP12261888 U JP 12261888U JP 12261888 U JP12261888 U JP 12261888U JP H0242830 U JPH0242830 U JP H0242830U
- Authority
- JP
- Japan
- Prior art keywords
- substation
- power supply
- circuit breaker
- feeder
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来の直流饋電システムの保護装置の一例を
示す回路図である。
１，２…饋電線、３，４…整流器、５，６，７
，８…直流高速度遮断器、９…レール、２１，２
２…不足電圧リレー。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing an example of a conventional protection device for a DC feeding system. 1, 2... Feed wire, 3, 4... Rectifier, 5, 6, 7
, 8... DC high speed circuit breaker, 9... Rail, 21, 2
2...Undervoltage relay.
Claims (1)
遮断器を介して饋電線に給電を行う直流饋電シス
テムにおいて、 前記第１直流変電所および第２直流変電所を結
ぶ饋電線のうち定常饋電時に饋電電圧が最も低く
なる箇所の饋電線とレールとの間に設けられた不
足電圧リレーを有し、 前記不足電圧リレーの動作時に、第１直流変電
所および饋電線の間に設けた遮断器と、第２直流
変電所および饋電線の間に設けた遮断器とを連絡
遮断することを特徴とする直流饋電システムの保
護装置。[Claims for Utility Model Registration] In a DC power supply system that supplies power to a power line from adjacent first and second DC substations via a circuit breaker, the first DC substation and the second DC substation are It has an undervoltage relay installed between the rail and the feeder wire at the point where the feeder voltage is lowest during steady feeding among the connected feeder wires, and when the undervoltage relay is operated, the first DC substation and A protection device for a DC power supply system, characterized in that a circuit breaker provided between a power supply line and a circuit breaker provided between a second DC substation and a power supply line are connected and disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12261888U JPH0242830U (en) | 1988-09-19 | 1988-09-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12261888U JPH0242830U (en) | 1988-09-19 | 1988-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0242830U true JPH0242830U (en) | 1990-03-23 |
Family
ID=31370714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12261888U Pending JPH0242830U (en) | 1988-09-19 | 1988-09-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0242830U (en) |
-
1988
- 1988-09-19 JP JP12261888U patent/JPH0242830U/ja active Pending
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