在110kV总降压站的6kV系统中，通过比较主变出口带分裂电抗器和限流电抗器两种主接成方案，表明分裂电抗器限制短路电流的效果更好，且在一次投资上更具经济性。%It is difficult to confine the current of short circuit in the 6kV's power system of the 110kV's main step-down substation. Based on comparing with two wiring methods, in which the output winding of the primary transformer with the divisive reactance and current-limiting reactance, it show that the method with the divisive reactance is effective in confining the current of short circuit, and it's more economic in onetime investment.
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