配电网理论线损及其计算方法.pdf

Journal of Electrical Engineering 电气工程, 2014, 2, 97-105 Published Online December 2014 in Hans. /journal/jee /10.12677/jee.2014.24013 Theoretical Line Loss of Distribution Network and Its Calculation Methods 1 1 1 2 2 3 3 Wei Liu , Jiaxi Yu , Yifang Xu , Binhe Liu , Zhenhai Liu , Zixia Pei , Lanlan Chen 1 Hainan Power Grid Limited Liability Company, Haikou 2 Beijing Semeureka Electric Company Limited, Beijing 3 North China Electric Power University, Beijing Email: easahoang@163.com th th th Received: Nov. 7 , 2014; revised: Nov. 18 , 2014; accepted: Nov. 28 , 2014 Copyright © 2014 by authors and Hans Publishers Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). /licenses/by/4.0/ Abstract To study the theoretical calculation of distribution network line loss is an important technical method to enhance the management of line loss and the energy reduction. This paper started by analyzing the distribution network line loss and the definition and constituent of the line loss rate, then discussed the cause of the line loss and the influencing factors. The mathematical model of distribution network elements was studied, and the methods of calculating the line loss were con- cluded and compared. At last, the typical lines of Wenchang in Hainan Power Grid were taken for an example to be compared and analyzed. Keywords Distribution Network, Line Loss Rate, Root-Mean-Square Current Method 配电网理论线损及其计算方法 1 1 1 2 2 3 3