A Power Quality Pricing Method Based on Risk Management in Deregulated Electricity Retail Market

Jianling Wu, Hui Zhou, Xiangsheng Ni, Shousong Wu, Haoming Liu, Yunhe Hou
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引用次数: 5

Abstract

In the deregulated electricity market, power quality (PQ) service can be regarded as an ancillary service which can be tailored according to user’s individual demands. In this paper, a pricing method of PQ service is introduced with voltage dip and harmonic as examples. Firstly, with quality risk management taken into consideration, the mathematical model to pricing tailored PQ service is established. Then the method to calculate compensation criterion for possible situations is presented when PQ fails to meet the expected performance. In this way, both power sale companies and users are motivated to promote PQ level. Finally, case study results show that this method can meet the needs of users, realize the 1isk transfer and also enable the power sale companies to make profits.
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放松管制的电力零售市场中基于风险管理的电能质量定价方法
在放松管制的电力市场中,电能质量服务可以看作是一种辅助服务,可以根据用户的个性化需求进行定制。本文以电压倾斜和谐波为例,介绍了一种PQ服务的定价方法。首先,考虑质量风险管理,建立了定制PQ服务定价的数学模型。在此基础上,提出了PQ不能满足预期性能时的补偿准则计算方法。这样一来,无论是售电公司还是用户都有动力去提升PQ水平。最后,案例分析结果表明,该方法既能满足用户需求,实现风险转移,又能使售电企业实现盈利。
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