±800 kV UHVDC Planning Operation Curve from Jiuquan to Hunan

doi:10.3969/j.issn.1000-7229.2015.09.016

Abstract

Abstract:

Vigorously developing and utilizing renewable energy is an important part of the sustainable development of energy and the sustainable economic development strategy in China. ±800 kV UHVDC transmission project from Jiuquan to Hunan with rated transmission capacity of 8 million kW is under construction, which transports thermal power, wind power and solar energy power of Northwest Power Grid. How to achieve the optimization of power transmission, consumption and economic benefit combined with the power delivery characteristics of Jiuquan and the load consumption characteristics of Hunan, it is needed to study the power running curve of UHVDC transmission power. The possible DC power transmission modes of Jiuquan and the consumptive situation and economic benefits of Hunan were analyzed. The ideas and methods of researches on these similar issues were proposed, which could provide technical reference for the operation of the project and important reference for other projects.

Key words: DC operation curve, output characteristics, load characteristics, peak load regulation, DC transmission quantity, utilization hours

CLC Number:

TM 721.1

ZHONG Sheng, HUANG Juanjuan, LI Taijun, Tian Xin, XIA Yi, FAN Xuefeng, SONG Wenqin. ±800 kV UHVDC Planning Operation Curve from Jiuquan to Hunan[J]. ELECTRIC POWER CONSTRUCTION, 2015, 36(9): 96-102.

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