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为全面衡量大用户直接交易的效果,提出电力需求品质的新理念及其评判方法。在研究电力需求品质内涵、确定品质评判分析维度后,基于电网状态阐述品质因子的属性。考虑负荷特性与经济指标,从偏差电量、偏差时段、曲线形态3方面建立了电力交易品质因子的多维评判标准,建立了品质评价指标集及交易效果评估模型,并对频率影响因子、可靠性责任电价等参数进行了计算。采集某电网交易数据进行仿真,算例结果表明该评价体系能全面、深入地评价电力交易效果。
In order to comprehensively measure the effect of direct transactions by large users, a new concept of power demand quality and its evaluation method are put forward. After studying the connotation of quality of power demand and determining the dimension of quality evaluation and analysis, the attributes of quality factor are described based on the state of power grid. Considering the load characteristics and economic indicators, a multidimensional evaluation criterion of power trading quality factor is established from three aspects: deviation power, deviation period and curve shape. A set of quality evaluation indicators and trading effectiveness evaluation model are established. The influence factors of frequency, reliability, Price and other parameters were calculated. The acquisition of a grid transaction data for simulation, the results show that the evaluation system can comprehensively and in-depth evaluation of the effect of electricity trading.