淮南—上海特高压输电工程规划和运行研究

Plan of Huainan-Shanghai UHV transmission engineering project and its operation

结合国家电网公司淮南—上海特高压输电示范性工程的建设,从电力系统规划和运行角度分析了特高压升压前后华东电网短路电流、潮流和暂态稳定性的变化情况,并对华东500kV主网架进行优化。指出了淮南—上海特高压输电工程规划和运行中需引起注意的一些问题,包括特高压变压器参数的选取和送端系统发电机参数的选取。研究成果将为淮南—上海特高压输电工程的顺利投运奠定技术基础。

Taking the Huainan-Shanghai UHV transmission demonstration project of State Grid Corporation of China as an example, the changes of short-circuit current, power flow, and transient stability of East China Power Grid during the period when the UHV line transforms from under voltage operation to full voltage operation are analyzed from the point of view of system plan and operation. The optimization was performed for 500 kV main network of East China Power Grid. Some problems in plan and operation of the Huainan-Shanghai UHV transmission engineering project are pointed out, including parameter selection of UHV transformers and that of sending-end generators.