GB/T 44768-2024Guide for theoretical calculation of distribution network line loss (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting.

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document is proposed and coordinated by the China Electricity Council.

This document was drafted by: State Grid Hebei Electric Power Co., Ltd., State Grid Corporation of China, State Grid Economic and Technological Research Institute Co., Ltd., China Electric Power Research Institute Co., Ltd., Guangdong Power Grid Co., Ltd., State Grid Hebei Electric Power Co., Ltd. Xingtai Power Supply Branch, State Grid Shanghai Electric Power Company Economic and Technical Research Institute, State Grid Jiangsu Electric Power Company Electric Power Research Institute, Zhengzhou Dafang Software Co., Ltd.

Co., Ltd., State Grid Shandong Electric Power Company, Tianjin University, and Hubei Huazhong Electric Power Technology Development Co., Ltd.

The main drafters of this document are: Liu Changjiang, Jiang Mu, Duan Zhiguo, Liu Liping, Feng Tao, Sun Chongbo, Hu Ping, Han Jinglin, Han Tianhua, Yuan Kai, Zhang Ziyan, Wei Bin, An Haiyun, Wu Xiangming, Wang Tao, Song Yi, Cao Huazhen, Jiang Shigong, Liu Zhongjian, Qian Ruixin, Xu Wei, Guo Lei, Wang Mingdong, Guo Weiwei, Guo Jianbin, Qiao Hui, Li Jianfeng, Li Hongtao, Song Nan, Xu Xiaobin, Han Guang, Yao Quan, Li Zheng, Sun Qiang, Zhou Qian, Shen Jingjing, Shi Weiguo, Xie Hongtao, Hao Quan, Qi Xiaoguang, Wang Wenbin, Meng Yan, and Wang Peisheng.

Guidelines for the Theoretical Calculation of Line Losses in Distribution Networks

1 Scope

This document specifies the general requirements for the theoretical calculation of distribution network line losses, describes the theoretical calculation of power loss of distribution network components, 110kV and The following are theoretical calculations of distribution network line losses, summary of theoretical distribution network line loss electricity, and calculation methods of theoretical line loss rate.

This document is applicable to the theoretical calculation of line losses in distribution networks of 110kV and below.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document.

DL/T 686-2018 Guidelines for Calculating Power Losses in Power Grids DL/T 1365-2014 Terminology and Glossary of Electricity Energy Conservation DL/T 5729-2023 Technical Guidelines for Distribution Network Planning and Design

3 Terms and Definitions

For the purposes of this document, the terms and definitions defined in DL/T 1365-2014 and DL/T 686-2018 and the following apply.