Optimization Method of UHVDC Combined Wind-Thermal Power Transmission Scale

doi:10.3969/j.issn.1000-7229.2015.10.009

Abstract

Abstract:

UHVDC combined wind-thermal power transmission can resolve the long-distance transmission of wind power from western and north, and expand the accommodation range of wind power. This paper presented research method for the auxiliary power supply scale optimization of UHVDC wind-thermal power bundled transmission. First of all, this paper studied the technical constraints of wind-thermal power transmission through UHVDC, including the operation mode of UHVDC transmission and its influence on the scale of wind-thermal power, as well as proposed the research principles and ideas of auxiliary power supply. Secondly, the optimization method for auxiliary power supply scale of UHVDC combined wind-thermal power transmission was studied. Finally, taking the Jiuquan-Hunan ±800 kV UHVDC project as an example, this paper presented the wind-thermal power scale in Jiuquan-Hunan UHVDC, and verified the scientificity of the proposed method. The proposed method has great significance for expanding the accommodation range of wind power in the north of our country and improving the transmission efficiency of UHVDC transmission.

Key words: UHVDC, wind power, thermal power, bundled transmission

CLC Number:

TM 715

WANG Zhidong . Optimization Method of UHVDC Combined Wind-Thermal Power Transmission Scale[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(10): 60-66.

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