随着光伏行业的发展，部分地区村级变压器及工业用电变压器容量与光伏项目的装机容量处于饱和。电网公司要求对后建的光伏并网系统为不可逆流发电系统，指光伏并网系统所发生的电由本地负载消耗，多余的电不允许通过低压配电变压器向上级电网逆向送电。

The polytechnic is a product of Chinese educational expertise meeting private investment. It connects Zhengzhou Electric Power College, the Forever TVET Institute vocational school in Rwanda, and ...

GAZA, Nov. 9 (Xinhua) -- Under the scorching sun near the ruins of Al-Shifa Hospital in Gaza City, 22-year-old Shorouq Abu Naji washes her children's clothes by hand outside a tent. Her fingers are ...