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考虑分布式光伏接入的配电网改进线损统计方法

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分布式光伏的大量接入,使得传统配电网由单电源结构逐渐转变为多电源结构,配电网潮流分布也因此发生变化.这导致传统线损统计方法无法准确计算出含分布式光伏的配电网线路的线损率,因此须对现有线损统计方法进行改进.首先,分析了接入分布式光伏后配电网内潮流分布的几种情况,然后提出了改进的线损统计方法,最后结合实际案例验证了改进线损统计方法的正确性和准确性.
Improved Statistical Method of Line Lossesd for Distribution Network Considering Distributed Photovoltaic Access
The large-scale access to distributed photovoltaics has gradually transformed the traditional distribution network from a single power supply structure to a multi-power supply structure,and the power flow distribution of the distribution network has also changed accordingly.This results in the traditional statistical method of line losses being unable to accurately calculate the line losses rate of distribution network lines containing distributed photovoltaics.Therefore,existing line losses statistical methods need to be improved accordingly.First,several situations of power flow distribution in the distribution network after distributed photovoltaics are analyzed,and then an improved statistical method of line losses is proposed.Finally,the correctness and accuracy of the improved statistical method of line losses statistical method are verified based on actual cases.

distributed photovoltaicline loss rateimproved line loss statistical method coefficient

邓得政

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国网天津市电力公司东丽供电分公司,天津 东丽 300300

分布式光伏 线损率 改进线损统计方法

2024

农村电气化
中国电机工程学会

农村电气化

ISSN:1003-0867
年,卷(期):2024.(12)