霍佳丽;王主丁;聂崇峡;

• 1:输配电装备及系统安全与新技术国家重点实验室(重庆大学)

摘要(Abstract)：

最大负荷损耗时间法和损失因数法常用来计算电网的年电能损耗。前者在我国电力设计和运行部门得到了广泛应用,但对其计算误差还没有比较系统的定性和定量认识。文中首先对2种方法的数学推导公式进行了物理概念分析,并采用若干典型算例分析其误差大小及适用范围。结果表明:随着最大负荷利用小时数(Tmax)的减小,2种方法的误差都在增大,当Tmax为3500h左右时,最大误差超过40%;对于线路充电功率较大或有无功补偿的情况,在相同的Tmax下,最大负荷损耗时间法失效。

关键词(KeyWords)： 电能损耗;最大负荷损耗时间法;损失因数法;最大负荷利用小时数;功率因数

Abstract:

Keywords:

基金项目(Foundation): 科技部科技型技术创新基金(06C2625110507)

作者(Author): 霍佳丽;王主丁;聂崇峡;

Email:

DOI:

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