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地区主网节能潜力评估方法及其应用 被引量:6

Method to Evaluate Energy-Saving Potential of Regional Main Power Grid and Its Application
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摘要 提出了降低地区主网有功损耗的有效手段及主网节能潜力评估方法,主要涉及重载线路导线优化更换、主变压器经济运行、负荷分布优化、电厂优化调度和无功优化配置5个方面,并给出了制订地区主网节能规划的思路。结合某市实际电网,进行了一系列的潮流计算与无功优化计算,评估了各种节能手段的潜力,据此制订了相应的节能规划,算例表明所提方法具有较好的主网节能降耗效果. In this paper, several effective means of reducing the active power loss and a method to evaluate the energy-saving potential are proposed for regional main power grid. The investigation mainly involves the optimal re- placement of heavy transmission hines, the economic operation of the main transformer, the load distribution optimi- zation, the optimal dispatching of power plants and the reactive power optimization. Then, a general idea of energy- saving planning is presented, and a case study is performed on an actual regional main power grid to evaluate the energy-saving potential according to a series of flow and reactive power optimization calculation. Finally, a relevant energy-saving planning is worked out and its energy-saving effectiveness is verified.
出处 《华南理工大学学报(自然科学版)》 EI CAS CSCD 北大核心 2012年第2期118-123,共6页 Journal of South China University of Technology(Natural Science Edition)
基金 国家自然科学基金资助项目(51147006)
关键词 电力系统 主网 节能 潜力评估 无功优化 power system main power grid energy saving potential evaluation reactive power optimization
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