JPS5866521A - Generating plant protecting system - Google Patents
Generating plant protecting systemInfo
- Publication number
- JPS5866521A JPS5866521A JP16267181A JP16267181A JPS5866521A JP S5866521 A JPS5866521 A JP S5866521A JP 16267181 A JP16267181 A JP 16267181A JP 16267181 A JP16267181 A JP 16267181A JP S5866521 A JPS5866521 A JP S5866521A
- Authority
- JP
- Japan
- Prior art keywords
- station
- power plant
- breaker
- power
- transformer
- 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 Static 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
４１図は、従来技術になる、火力・原子力発電所の所内
回路の一般的な例を示す。DETAILED DESCRIPTION OF THE INVENTION FIG. 41 shows a general example of a conventional internal circuit of a thermal or nuclear power plant.
通常、発電所を起動する場合には、■、２のしゃ断器を
開し、３，４のしゃ断器を閉じることによって、５の起
動変圧器から、所内動力６の電源を得て、７及び８のタ
ービン、発電機を起動する。Normally, when starting up a power plant, by opening the circuit breakers 2 and 2 and closing the circuit breakers 3 and 4, the power source for the station power 6 is obtained from the startup transformer 5, and then 8. Start the turbine and generator.
８の発電機の起動が完了したら、その後２のしゃ断器を
閉じ、３のしゃ断器を開いて所内動力電源自給の状態で
通常運転となる。When the start-up of the generator No. 8 is completed, the circuit breaker No. 2 is then closed, and the circuit breaker No. 3 is opened, and normal operation begins with the station self-sufficient power source.
一且、発電所が通常運転になった後、９０所内変圧器に
故障が発生した場合、１，２のしゃ断器を自動的に開け
ると共に、７，８のタービン、発電機も自動トリップす
る。尚、との場合安全停止を計るため、上記２のしゃ断
器間により３のしゃ断器を自動閉し、所内動力用電源を
５の起動変圧器により確保する。Furthermore, if a failure occurs in the 90 in-station transformers after the power plant returns to normal operation, the circuit breakers 1 and 2 will be automatically opened, and the turbines and generators 7 and 8 will also be automatically tripped. In this case, in order to ensure a safe shutdown, the circuit breaker 3 is automatically closed between the circuit breaker circuits 2 and 5, and the power source for the station power is secured by the starting transformer 5.
（４のしゃ断器は、通常運転時閉の状態にあり、又、起
動変圧器の容量は、所内変圧器の界隈にほぼ等しい。）
との従来技術は、７，８のタービン・発電機及び５の起
動変圧器及び１０の主変圧器が正常で、且つ、使用可能
な状態にあるにもかかわらず、９の所内変圧器の故障の
みで、発電所を停止しなければならない点が欠点である
。(The circuit breaker No. 4 is in a closed state during normal operation, and the capacity of the starting transformer is approximately equal to that of the station transformer.) The disadvantage is that even though 5 starting transformers and 10 main transformers are normal and ready for use, the power plant has to be shut down due to a failure in only 9 in-house transformers. be.
昨今の電力事情を考えると、−発電所の予期せぬ停止は
、単機容量が大きくなっているだけに、その問題は大き
い。特に、原子力発電所では、停止すること自体にも、
注意をはらう必要がある。Considering the current electricity situation, - Unexpected shutdown of power plants is a big problem as the capacity of each power plant is increasing. In particular, in nuclear power plants, even the shutdown itself
You need to be careful.
本発明の目的は、所内変圧器の故障のみで発電所を停止
してしまうことを、なくすることにある。An object of the present invention is to eliminate the possibility of stopping a power plant simply due to a failure of an in-station transformer.
本発明の要点は、所内変圧器の１次側（発電機側）にし
ゃ断器を設置し、所内変圧器故障時には、このしゃ断器
と、従来技術になる同変圧器２次側（所内補機側）のし
ゃ断器を自動的に開け、補機動力電源を起動変圧器より
得て、発電所の運転継続が可能なようにする発電所保護
方式を提供するにある。The key point of the present invention is to install a breaker on the primary side (generator side) of the station transformer, and when the station transformer fails, this breaker and the secondary side of the transformer (station auxiliary To provide a power plant protection system that automatically opens a circuit breaker (side) and obtains power for auxiliary equipment from a starting transformer to enable continued operation of the power plant.
Ａは、本発明になるしゃ断器の、従来技術になる所内回
路への挿入位置であり、第２図は、本発明になる発電所
保護方式のブロック線図である。A shows the insertion position of the breaker according to the present invention into the station circuit according to the prior art, and FIG. 2 is a block diagram of the power plant protection system according to the present invention.
所内変圧器の故障検出と共に、本発明になる所内変圧器
１次側しゃ断器１１と、従来技術になる、所内変圧器２
次側しゃ断器２を自動的に開け、所内変圧器を回路から
切り離すと共に、従来技術になる母線連絡しゃ断器３を
自動投入して、補機電源を確保し、発電所の運転の継続
を計る。Along with fault detection of the station transformer, the station transformer primary side breaker 11 according to the present invention and the station transformer 2 according to the prior art
The next circuit breaker 2 is automatically opened to disconnect the station transformer from the circuit, and the conventional busbar connection circuit breaker 3 is automatically turned on to secure auxiliary equipment power and continue the operation of the power plant. .
本発明によれば所内変圧器故障時にも、発電所を停止す
ることなく運転を継続することが可能となる。According to the present invention, even when an in-station transformer fails, it is possible to continue operating the power plant without stopping it.
第１図は、従来技術になる、発電所内回路図、図中のＡ
は、本発明になる所内変圧器１次側しゃ断器の図、第２
図は、本発明になる、発電所保護方式のブロック線図で
ある。Figure 1 is a circuit diagram of a power plant using conventional technology.
is a diagram of the primary side breaker of the station transformer according to the present invention, the second
The figure is a block diagram of a power plant protection system according to the present invention.
Claims (1)
変圧器を使用して同一所内の補機動力用として利用する
所内動力電源自給発電所に於いて、前記所内変圧器の１
次側に、発電機との切離しを自由に行ない得るしゃ断器
を設置し、前記所内変圧器の故障時に、前記しゃ断器を
自動的に関することを特徴とする発電所保護方式。1. A part of the generated electricity is used for purposes other than the original purpose of generation.
In a power station self-sufficient power plant that uses transformers to power auxiliary equipment within the same station, one of the station transformers
A power plant protection system characterized in that a breaker that can be freely disconnected from the generator is installed on the next side, and the breaker is automatically connected when the in-station transformer fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16267181A JPS5866521A (en) | 1981-10-14 | 1981-10-14 | Generating plant protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16267181A JPS5866521A (en) | 1981-10-14 | 1981-10-14 | Generating plant protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5866521A true JPS5866521A (en) | 1983-04-20 |
Family
ID=15759066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16267181A Pending JPS5866521A (en) | 1981-10-14 | 1981-10-14 | Generating plant protecting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5866521A (en) |
-
1981
- 1981-10-14 JP JP16267181A patent/JPS5866521A/en active Pending
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