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煤矿供电系统电能质量综合评价 被引量:11

Comprehensive evaluation of power quality for coal mine power supply system
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摘要 针对煤矿企业非线性设备日益增多而带来的电能质量问题,提出了煤矿电能质量评价指标及综合评价方法。首先根据非线性设备对煤矿供电系统的影响,建立了煤矿电能质量评价指标体系;其次,提出将改进层次法(主观赋权法)和熵权法(客观赋权法)相结合来确定评价指标的组合权重;最后,采用概率论和模糊数学相结合的方法对煤矿电能质量进行了综合评价。实例分析结果验证了所提煤矿电能质量评价指标体系的合理性和综合评价方法的可行性。 In view of power quality problem caused by progressively increase of nonlinear devices of coal mine enterprise, evaluation index and comprehensive evaluation method of coal mine power quality were proposed. Firstly, evaluation index system of coal mine power quality was built according to influence of nonlinear equipment to coal mine power supply system; then, combination weight of evaluation index was decided by improved analytic hierarchy process (subjective weighting method) and entropy weight method (objective weighting method) ; finally, comprehensive evaluation of coal mine power quality was performed by combination of probability theory and fuzzy mathematics. Example analysis result verified rationality of evaluation index system and feasibility of the comprehensive evaluation method for coal mine power quality.
作者 王升花
出处 《工矿自动化》 北大核心 2017年第2期86-89,共4页 Journal Of Mine Automation
关键词 煤矿供电 电能质量 评价指标 组合权重 综合评价 coal mine power supply power quality evaluation index combination weight comprehensive evaluation
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