Qinghai-Tibet Plateau region AC power transmission line corona noise sound power correction method

The invention discloses a Qinghai-Tibet Plateau region AC power transmission line corona noise sound power correction method, which comprises the following steps: S1, carrying out corona cage tests on a wire at different altitudes, and utilizing B&K noise measurement system for measuring the sound pressure value of audible noise generated by corona discharge; S2, converting the measured sound pressure data into sound power through a sound power corona cage analysis method; and S3, fitting the sound power of the conductor with different split numbers and different sub-conductor diameters to obtain a sound power correction method. The Qinghai-Tibet Plateau region AC power transmission line corona noise sound power correction method provided by the invention has the characteristics of more comprehensive measurement data and accurate and reliable audible noise prediction. 本发明公开了一种青藏高原地区交流输电线路电晕噪声声功率修正方法，包括以下步骤：S1，在不同的海拔高度对导线开展电晕笼试验，利用B&K噪声测量系统对电晕放电产生的可听噪声声压数值进行测量；S2，通过声功率电晕笼解析方法将测得的声压数据转化为声功率；S3，对不同分裂数和不同子导线直径的导线