Analysis of Long-term Measured Data of Audible Noise on UHV AC Double-circuit Transmission Lines on the Same Tower

被引：0

作者：

Zhang Y. ^{[1
]}

Li R. ^{[2
]}

Zhou B. ^{[1
]}

Liu Z. ^{[1
]}

He W. ^{[3
]}

Li B. ^{[4
]}

机构：

[1] State Key Laboratory of Power Grid Environmental Protection, Wuhan Branch of China Electric Power Research Institute, Wuhan

[2] State Grid Corporation of China, Beijing

[3] School of Electrical Engineering, Wuhan University, Wuhan

[4] State Grid DC Construction Company, Beijing

来源：

Gaodianya Jishu/High Voltage Engineering | 2017年 / 43卷 / 07期

关键词：

1; 000; kV; Audible noise; BPA method; Double-circuit transmission lines on the same tower; Long-term measurement; UHV AC;

D O I：

10.13336/j.1003-6520.hve.20170628027

中图分类号：

学科分类号：

摘要：

In order to obtain the level and characteristics of audible noise from actual UHV AC double-circuit transmission lines on the same tower in operation, the long-term observation station for electromagnetic environment was established near 1 000 kV Huainan-Shanghai UHV AC double-circuit transmission lines on the same tower in Wuhu, Anhui Province. Typical spectra under different weather conditions and the of audible noise during rainy days were obtained for ten months. The results show that the data of audible noise during rainy days from the three measure points in Wuhu observation station conform to normal distribution, and the A-weighted level of audible noise and its 8 kHz components at 20 m away from the projection of outside phase have a good correlation. The L50 audible noise level during rainy days at 10 m and 20 m away from the projection of outside phase are 49.83 dB and 49.58 dB, respectively, which are in consistent with the calculation by using BPA method minus 2 dB. © 2017, High Voltage Engineering Editorial Department of CEPRI. All right reserved.

引用

页码：2301 / 2308

页数：7

共 26 条

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