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ON-SITE TEST AND INTERFERENCE ANALYSIS OF GNSS SIGNALS UNDER ULTRA HIGH VOLTAGE (UHV) TRANSMISSION LINE

机译:超高压(UHV)输电线下GNSS信号的现场测试和干扰分析

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Focusing on the electromagnetic compatibility dilemma between increasingly intensive high-voltage power grids and the use of global navigation satellite systems (GNSS) in China, this paper reviews the interference mechanism of high voltage transmission line first. A real on-site GNSS observation test was conducted under 1000 kV Southeast Shanxi-Nanyang-Jinmen transmission lines, the first operational UHV AC Transmission Demonstration Project in China. 20 GNSS stations were configured and a large volume of data were acquired and processed under live and offline situations. The test results indicated that both live and offline GNSS coordinates were in consistency with high positioning precisions and unlikely effected by UHV AC transmission line. Correlation between the distances of GNSS receivers and the electromagnetic interference of the UHV AC transmission line was unfound.
机译:本文重点介绍了越来越密集的高压电网与全球导航卫星系统(GNSS)之间的使用困境和使用全球导航卫星系统(GNSS)。真正的现场GNSS观察试验是在山西 - 南阳 - 金门传输线1000 kV东南部,是中国第一个运营的UHV交流传输示范项目。配置了20个GNSS站,并在实时和离线情况下获取和处理大量数据。测试结果表明,Live和离线GNSS坐标都与高定位精度保持一致性,并且由UHV AC传输线不太可能实现。 GNSS接收器的距离与UHV AC传输线的电磁干扰之间的相关性。

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