问题 问答题 简答题

配电网电能损耗计算需要哪些原始资料?

答案

参考答案:

(1)配电线的单线图,图上应标明每一线段的参数、各节点配电变压器的铭牌参数;

(2)配电线首端代表日的负荷曲线及有功、无功电量,当月的有功、无功电量;

(3)用户配电变压器代表日的有功、无功电量;

(4)公用配电变压器代表日或全月的有功、无功电量;

(5)配电线首端代表日电压曲线;

(6)配电线上装设的电容器容量和位置以及全月投运时间。

写作题

基础写作

         After three years' staying together, you will say goodbye to your teachers soon. You must have much to say to your teachers.

       ·What you want to say to your English teacher most

       ·Why you want to say so

       ·What you want to tell her about your future planDear

Mrs Guo,

                                                                                                                                                            

                                                                                                                                                                                                                                                                                                       

                                                                                                                                           Yours.

                                                                                                                                           Zhang Xu

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