中国电机工程学报2017，Vol.37Issue(20)：6136-6144,9.DOI:10.13334/j.0258-8013.pcsee.161209
特高压输电线路可听噪声长期测试数据的统计分析
Statistic Analysis of Long-term Measured Data of Audible Noise on UHV AC Transmission Lines
张业茂 1万保权 1周兵 1刘兴发 1刘健犇 1陈豫朝 2张斌1
作者信息
- 1. 电网环境保护国家重点实验室(中国电力科学研究院武汉分院),湖北省武汉市430074
- 2. 国家电网公司,北京市西城区100031
- 折叠
摘要
Abstract
In order to obtain the levels and characteristics of audible noise from actual UHV AC transmission lines in operation,three long-term observation stations for electromagnetic environment were established near the UHV AC demonstration project in Jiaozuo,Henan province,Zhongxiang and Zaoyang,Hubei province.Audible noise was continuously measured for a long time by one octave,one set of date per minute.Valid data from Jiaozuo for about five months,as well as valid data from Zhongxiang and Zaoyang through one year were analyzed.The results show that the long-term measured data of audible noise during fair weather in Jiaozuo,and data during rainy days in all the three stations conform to normal distribution.Moreover,audible noise during fair weather is very low,almost equal to the background value,and the A-weighted levels of audible noise during rainy days have a good correlation with its 8kHz components.The statistic analyses of audible noise during rainy days have been performed,and compared with the calculated values by BPA method.Finally,the corrected method based on BPA method to calculate the audible noise of UHV AC single-circuit transmission line has been proposed.关键词
1000kV特高压/交流单回输电线路/电磁环境/输电线路/可听噪声/BPA公式Key words
1000kV UHV/AC single-circuit transmission line/electromagnetic environment/transmission line/audible noise/BPA method分类
信息技术与安全科学引用本文复制引用
张业茂,万保权,周兵,刘兴发,刘健犇,陈豫朝,张斌..特高压输电线路可听噪声长期测试数据的统计分析[J].中国电机工程学报,2017,37(20):6136-6144,9.
