The direct power transaction model between provinces considering the safety constraints and transmission loss

Ying Ding, Lin Li, B. Sui
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引用次数: 1

Abstract

The reverse distribution of energy supply and demand has caused the serious problem of power supply and demand, and the direct power transaction between provinces can make full use of the inter-provincial power transmission channels to ease the problem. However, the market members participating in the direct power transaction between provinces have great differences in geographies, and the transmission loss caused by differences should not be neglected. When dealing with the direct power transaction between provinces, we do not consider the impact of transmission loss, which greatly brings on unfair trading in the market. This paper builds a direct power transaction model between provinces considering the safety constraints and transmission loss. Considering the multiple operation modes of power grid, the model puts forward the measurement method of transmission loss and studies the ordering rule of direct power transaction between provinces. The rule considers the impact of transmission loss under the premise of giving priority to prices and giving priority to energy conservation and environmental protection. The model promotes the refinement of trading methods and maintains the fairness of transactions in power market. The result is relatively stable and can be used as empirical data for practical application. The model provides decision support for the interaction between supply and demand in the power market and the optimal allocation of resources in large area.
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考虑安全约束和输电损耗的省际电力直接交易模型
能源供需的反向分布造成了严重的电力供需问题,而省际电力直接交易可以充分利用省际输电通道来缓解这一问题。然而,参与省际电力直接交易的市场成员在地域上存在较大差异,差异造成的输电损失不容忽视。在处理省际电力直接交易时,没有考虑传输损耗的影响,这在很大程度上造成了市场交易的不公平。本文建立了考虑安全约束和输电损耗的省际电力直接交易模型。该模型考虑了电网的多种运行方式,提出了输电损耗的测量方法,研究了省际电力直接交易的排序规则。规则在价格优先、节能环保优先的前提下,考虑输电损耗的影响。该模型促进了交易方式的精细化,维护了电力市场交易的公平性。所得结果较为稳定,可作为实际应用的经验数据。该模型为电力市场供需关系的相互作用和大范围内资源的优化配置提供决策支持。
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