500 kV输变电工程潜供电流的计算与研究

Calculation and Research of Submersible Current in 500 kV Transmission and Substation Project

研究特高压输电线路的潜供电流。通过建立输电系统的集中参数模型,利用电路理论推导了单回线容性、感性及总潜供电流的计算公式。依据该公式对在建的湛江500 kV湛南输电工程的潜供电流进行计算,分析探讨相关补偿方式。

This paper studies the secondary current of UHV transmission lines.Based on the lumped parameter model of transmission system,the calculation formulas of capacitance,induction and total secondary current of single circuit are derived by using circuit theory.According to the formula,the secondary current of the 500 kV Zhannan power transmission project in Zhanjiang is calculated,and the relevant compensation methods are analyzed and discussed.