Abstract

Yazhong-Jiangxi ±800 kV ultra-high voltage direct current (UHVDC) project applies the new mode of hierarchical accessing technology to significantly improve the voltage stability of receiving-end transmission system by virtue of the reactive power property of converter station. This paper studied the reactive power control by hierarchical accessing, started with the reactive power configuration of reactive power compensation device of the converter station with focus on the technology and innovation thinking of dynamic reactive power and static reactive power control, then proposed some suggestion on the direction of future research and served as reference for follow-up production and researches.

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