| 电能损耗近似计算常用方法的误差分析 |
| |
| 引用本文： | 霍佳丽,王主丁,聂崇峡. 电能损耗近似计算常用方法的误差分析[J]. 电网技术, 2009, 0(18) |
| |
| 作者姓名： | 霍佳丽 王主丁 聂崇峡 |
| |
| 作者单位： | 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); |
| |
| 基金项目： | 科技部科技型技术创新基金(06C2625110507) |
| |
| 摘 要： | 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： | 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 |
Error Analysis of Widely Used Electric Energy Loss Calculation Methods |
| |
| HUO Jia-li,WANG Zhu-ding,NIE Chong-xia ,Shapingba District,Chongqing ,China). Error Analysis of Widely Used Electric Energy Loss Calculation Methods[J]. Power System Technology, 2009, 0(18) |
| |
| Authors: | HUO Jia-li WANG Zhu-ding NIE Chong-xia Shapingba District Chongqing China) |
| |
| Affiliation: | HUO Jia-li,WANG Zhu-ding,NIE Chong-xia (State Key Laboratory of Power Transmission Equipment & System Security and New Technology (Chongqing University),Shapingba District,Chongqing 400044,China) |
| |
| Abstract: | Annual electric energy loss of power network is often calculated by equivalent hours of maximum loss and loss factor,the former is widely used in the electric power design departments of power system operation department in China,however there is not systematic quantitative and qualitative analysis on the calculation error. In this paper,firstly the physical conceptual analysis on the mathematical derivation of the two methods is performed,and then by use of several typical calculation examples the error ma... |
| |
| Keywords: | energy losses maximum load loss hour method loss factor method maximum load equivalent hour power factor |
| 本文献已被 CNKI 等数据库收录！ |
|
