摘要
针对电力市场下的输电定价问题,在两部制电价基础上对容量电价部分加以研究,提出了基于复功率追踪的容量电价计算方法。首先基于平均增量成本法对线路的容量成本进行计算;然后通过增加线路虚拟节点的办法对系统进行无损化处理,视各线路损耗为虚拟用户,基于距离的兆瓦—公里法计算各线路损耗所对应的容量成本;再基于复功率的潮流追踪计算负荷(包括虚拟用户)对线路的"使用程度",由此对无损化后的线路容量成本及网损进行分摊;最后根据市场原则确定各实际用户的容量电价。算例结果表明该方法能较好地对输电容量成本进行回收且计算精度较高,能满足电力市场下的公平定价原则,验证了该方法的合理性及可行性。
A new approach of calculating the capacity power price of two system power transmission pricing based on complex power flow tracing was proposed. Firstly, the capacity cost of lines was computed by average increment cost method. Then the model of lossless system by adding virtual node of lines to regarding the loss as a virtual consumer was established, and the capacity cost corresponding the loss based on the MW-Mile method was calculated. The ‘using degree＇ of lines for the consumers including the virtual ones were calculated by complex power flow tracing method, so the capacity cost and the loss of lines after lossless management were apportioned. At last, the capacity power price of real consumers were figured out accorrding to the market principle. Results of a numerical example showed that the method has a preferable ability in capacity cost reclaiming and calculation precision, and could satisfy the impartiality principle in power market. Meanwhile, it was verified that the proposed method is rational and feasible.
出处
《四川大学学报（工程科学版）》
EI
CAS
CSCD
北大核心
2010年第1期211-215,共5页
Journal of Sichuan University (Engineering Science Edition)
基金
国家973计划资助项目(2004CB217905)
关键词
电力市场
两部制输电定价
容量电价
虚拟节点
逆流追踪
网损
power market
two system power transmission pricing
the capacity power price
virtual node
counterflow tracing
loss
