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ͨŻ׻Ľ
ʱ:2010-4-14
׵긴һȻֺ֮һҹִIJߣͨ豸ԽԽ࣬ģԽԽһ͵Ӽ硢̿ؽϵͳ豸͹׵ѹˮƽԽԽͣһźԴ·࣬ϵͳǰ׵粨룬ʹ׵ֺƵͳƣ׵ͨ豸𺦣ռͨ豸صıߴ33%ͨ豸ѳΪһҪ
һͨŻ׻¼зĿλͬжͨŷ׵ĸ߶ӣͨṩһЩ׾顣

1
20063224105㣬꽻ӣijеҵͨŻָܻͨжϡͬʱλڴ¥й¥ڵ95598ͻģͨҲжϡ
ô׻50ԪͨšϢ豸𻵡𻵵ͨԪ඼ԴйصIJ罻2M塢һӿӿڵȡֳһ𻵵2M壬巽оƬϷ1 cm4 cmɫۼͻУкɫĩѴ10ϡ
ºͨŴ¥2¥ӵ5¥ɿĵй95598ͻĽӵи⣬ӵصΪ0.33С0.5,ںϸΧųӵϸͨ豸𻵵ԭ

2 ԭ
2.1 ѹԴ
ͨŻ׻ԴֱסӦ׺ʹ档ֱ׵ֱӻڽܡľֲϣڵЧӦЧӦͻеЧӦȻãֱӴݻٽԼԱȡֱпʹ΢豸ӿѹΣӦָ֮ƶԵ֮ķŵ磬ڸļܿ··߻ƵĴϲӦѹõѹͨ崫͵豸Ӵݻ΢豸׵еϢͨ·ȻŴ·豸еصλҲǴ׵һ֡
׻Ԫ𻵵Դйزŵû𻵣˵ֱ޹أ봫йءӸͨŻĽ߿֪ûͨ߶ǹˣж380 VԴΪ׵;
׵·ΪͨŴ¥ĽԴ10 kVܿ·룬·ʱּ׻Ƶ10 kVܿ·ĵ㣬ֱ׺͸Ӧ׵ļ൱󡣵10 kV·ʱ׵·ֵѹѹĸѹѹĽӵصϲѹ׵5 kAƣ5 kA׵ֵĸʴ86%Ľӵص3 ƣӵصϵѹΪ15 kV
ͨŴ¥ѹ380 Vûаװѹױѹĸ·380 VҲûаװѹѹѹޱһѹѹѹԵϣѹߴʱ൱ھ߲ӵأѹ迹Զڲ迹ѹľ󲿷ֶڵѹϡ
10 kVܿӦ׻󣬱ѹ380 Vѹ潻ԴʣʾͨŻѹһĵݣϵͨŵԴֱ+48 Vˡ +48 Vؾ78 m߽ӻĵأǰ׹淶Ҫ̵·ӵء׵粨£൱ھнӵء
ڻڵ48 Vĸ֮˳λ48 Vλ񵴱仯ʹͨŻϴļɵ·Ԫ𻵡رǶõ2 M壬𻵡

 
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