110kV变电站设计说明书. - 百度文库

10KV˫ĸ

ġȽ 1

1ĸߣŵǽ߼򵥡õĿ豸٣㣬װ۽ϵ͡ȱֻṩһзʽзʽ仯Ӧĸ߻ĸ߲뿪عϻʱװñ˳Уһ·ʱڻ·Ҳ˳Уֶ֮εĵĸ߽ߵĹɿԺϲ

2ĸ߷ֶνߣŵǿиĸ߶βлĸ߶ηзʽұڷֱԸĸ߶νмޣСĸ߼ʱͣ緶Χڸĸ߶ͬʱϵĿԺСȻе빩ɿԣȱκһĸ߹ϻڼ䣬ö·ڵĻ·Ҳͣ硣

3ĸֶδ·ĸ߽ߣ൱ߵĹɿԺԣ㷺Ӧڳ߻·࣬ɽΪҪСͷ糧35-110kVıУ110kV6ϡ

4˫ĸߣŵһĸ߼ʱл·жϹ磬һ·ĸ߲뿪ʱֻжϸû·Ĺ硣һ··ʱĸ·湤ȱзʽıʱҪĸ߸뿪ؽеբΪӣռ׳豸¹ʡһ··ʱû·ͣ·ʱͣ磬˴ĸ߲뿪ؼĸߵijȡװýṹΪӣռͶʶӡ

5Žߣ···࣬ڱѹͶ˳гϱѹ·Ͷ˳гϵIJΪӣ·϶̡

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ϼʽϵ͡ѹеҪҪлԼϵͳԽϴĴԽͨŶ· 2Ƚ 1

110kV~220kVΪسʱνߣƽ׵Ϊ90죬һƽ4һΪ׵գ˴˵Ϊ׵·϶ϿʽϸߣŽߡĸαڷֱԸĸ߶νмޣСĸ߼ʱͣ緶Χڸĸ߶ͬʱϵĿԺСȻнϸߵԺ͹ɿԡˣ˷ 2

ĸν÷ΧΪѹȼΪ6~10kVʱ6ضϣÿĸ˳25MW,35~60kVʱ˳8أ110220kV,ȼ˳4أ˷ij߻ڴ˷ΧڣҸĸͬʱϵĿԽСʱнϸߵԺ͹ɿԡˣ˷ 3

һСͷ糧35~220kVװУùϼʽϵͣѹеҪҪл˵Ϊ׵ϼʽϸ˲˲š35~60ǧװУһ㲻·ĸߣ··ͣޣ·ʩˣ˷̭ˡ 4

ĸ6~22kVϵͳУ߻·٣ԹɿҪ󲻸ߵС糧ͱУĸ߽ߵĹɿԺԽϲ˫ĸ߽Ȼɿ

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ԽϸߣڽеբΪӣ׳豸ϡˣ˷̭

ԭʼϣУ

110KV߹ĻأΪãΪ֤1·ĸ߼ʱӰȫվУ豸٣Ͷʣ߹ɿԣʹΪ˿ɿԣȷѡ

Ƶı35KVߣأڹһأڿ߷ʱӦпɿʡͶʡ

Ƶı10KVߣ8أ1Ϊãڿ߷ʱӦпɿʡͶʡ

ȽϷó񡢢һľñȽϣ󡢢̭ˡ 3

ñȽ

һ߷ľü

üǼ߷ķúЧ棬Ϊѡ񾭼ϵŷṩݡھñȽУһͶʺзʱҪȫãֵֻͬͶʺзáӰȽϵĽ⣬ڱȽԵģʲع׷ֵľȷʵϣѡ񷽰׶ΣҲܰͶʼú׼ȷ £ 4 ۺͶZ:

Z=Z0(1+a/100) (Ԫ)

ʽУZ0豸ۺͶʣѹ豸װõ豸

19

Ͷʡ

AԵĸӷñϵһ220KVȡ70110KVȡ90 νۺͶʣ豸ۼ۸豸豸ĸߣѣҪϷѣװõȸõܺ͡ۺͶʵָ 5 зU

U=a*A*10+U1+U2 Ԫ

ʽУU1СޡάѣһΪ0.022-0.042ȡ0.022Z繤̣ U2۾ɷѣһΪ0.005-0.058Zȡ0.058Z繤̣ aۣܵɸʡʵʵȷȡ0.20Ԫ/KWh AѹʧֵKWh ڡAļ㷽£

񡢷35kV10kVõĸֶΣ̨SFSL1-15000ѹˣ񡢷ľñȽʵΪ񡢷110kVװõıȽϡ 4 1 1 2

ͼ

ÿһĸһ

ͼѹѹпܿ·ʱ⾲Ӧѹ

ԵΣӦڵѹ߶װһģװһ࣬ģװԵ㡣 3

ѹһϿڶϿԻֶԾԵΣĹѹ

ˣѹĸװ

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