基于功率分布的节点电价修正方法

对于开放的电力市场,输电网损耗的经济信号对引导电力市场参与者合理配置资源有着不容忽视的影响。在仅考虑输电损耗的前提下,发电厂的售电收入应与用户端的支出相等,在此基础上,基于功率分布方法提出了节点电价修正新方法。功率分布方法可给出电源提供的功率分量在线路传输功率、线路损耗和负荷中分布的解析表达式。模型可考虑电源位置、电源供电路径和电源输电损耗对节点电价的影响。最后以IEEE30节点系统算例验证了所述方法的可行性。

An Improved Nodal Price Method Based on Power Distributions

In an open deregulated electricity market, the economical signal of transmission losses has non-neglectable influence over participants in electricity market. If only the power transmission losses are considered, the selling incomes of electricity producers are equal to the expenditures of terminal electricity consumers. So based on this foundation, a novel nodal price method based on power distribution method is proposed. The power distribution method can give the analytical expressions of power components of transmission powers and transmission losses of each line and loads as well. Thus the proposed method can consider the effects of power position, power supplying paths and transmission losses on the nodal prices. At last, the IEEE 30 bus system is employed to demonstrate the feasibility of the proposed method.