The Study Of Reserve Ancillary Market Trading And Decision

Power market reform is flourishing all over the world. We are preparing supply side power market, and making experiments in Zhejiang province and other areas as well. Power market reforming is a inevitable tendency.Reserve is a important method which keeps power system safety and reliability, and it's not a new topic. In power market, system may lose reliability for market members pursuing economic profits excessively. Referring to reserve ancillary service theory and practices in other country. This paper suggests an integral framework of reserve market including the structure and operation mode.First, the paper summarizes the contents of reserve ancillary service, and proposes a classification method of the commodity in reserve market. Next, the paper analyses the relation between power reserve and reliability. According analyzing the virtue and shortcoming, the paper proposes a improved Pool mode considering the real condition in our basal power market., and construct separated reserve ancillary service market after day-ahead energy market.The paper compares several trading decision modes, and proposes the reserve should be cleared in turn by category and by time. Energy market and every reserve market is decoupled. The calculation methods of the reserve cost are discussed. The supplier should bid by the margin cost of reserve and system should buy reserve by MCP.This paper analyses reserve capacity emphatically. Benefit control mode is proposed to decide reserve capacity. The mathematic models and arithmetic of market clearing are given in detail. The object function is the maximum of the social benefit. The numerical example illustrate that this method is feasible.