分布式电源接入下的配电网线损计算与降损技术  

Calculation and Reduction Technology of Distribution Network Line Loss under Distributed Power Supply Access

作　　者：孙林 Sun Lin(Honghu Power Supply Company of State Grid Hubei Electric Power Co.,Ltd.,Honghu,China)

机构地区：[1]国网洪湖市电力有限公司,湖北洪湖

出　　处：《科学技术创新》2024年第24期63-66,共4页Scientific and Technological Innovation

摘　　要：本文主要探究了分布式光伏电源接入配电网情况下线损计算方法与降低线损的措施。采用前推回代法从线路末端向电源端计算该线路上每一段产生的功率损耗,求和结果即为电源端功率。在已知电源端功率和额定电压的基础上,重新计算每一段的电压降。循环进行回代、前推计算,直到节点功率偏差在允许范围内,即可得到线路电能损耗。分别从技术层面和管理层面介绍了降损技术,技术降损包括选择合理的接入容量,以及加装超级电容器等储能装置等;管理降损包括实行科学的经济激励、合理调整峰谷电价等。This article mainly explores the calculation method of line loss and measures to reduce line loss when distributed photovoltaic power sources are connected to the distribution network.The forward and backward substitution method is used to calculate the power loss generated by each section of the line from the end of the line to the power supply end,and the sum result is the power supply end power.Recalculate the voltage drop for each section based on the known power supply and rated voltage.Loop back and forward calculation until the power deviation of the node is within the allowable range,then the power loss of the line can be obtained.Introduced loss reduction technologies from both technical and management perspectives.Technical loss reduction includes selecting reasonable access locations and capacities,as well as installing energy storage devices such as supercapacitors;Management loss reduction includes implementing scientific economic incentives,and adjusting peak and valley electricity prices reasonably.

关 键 词：分布式电源 配电网 前推回代法 谷峰电价 

分 类 号：TM72[电气工程—电力系统及自动化] TM714.3