Tests on electromagnetic environment of ultra HVDC transmission lines in high altitude region

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Abstract

The Ultra High Voltage DC power transmission technique is developed quickly in China but used barely in the world. Corona phenomenon in high altitude region is more serious, and corresponding electromagnetic environment is more severe as well. A UHVDC test lines are completed for tests in Kunming, China, with an altitude of 2100 m. An automotive electromagnetic environment testing system was installed under the line. Measurement of electromagnetic environment was carried out. Radio interference, audible noise, resultant electric field and ion current density at ground level were measured at different voltage from ±800kV to ±1000kV, and atmosphere conditions including sunny, rainy and cloudy weather. The measured result show some difference with those acquired at sea level and is significant for further studies of corona mechanism under high altitude condition. Measured results were compared with the calculated results.

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APA

Yu, Z., Zeng, R., Li, M., Li, R., Liu, L., Zhang, B., … Zhang, H. (2010). Tests on electromagnetic environment of ultra HVDC transmission lines in high altitude region. In 2010 Asia-Pacific Symposium on Electromagnetic Compatibility, APEMC 2010 (pp. 1676–1680). https://doi.org/10.1109/APEMC.2010.5475639

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