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Electricity market environment, independent power producers under the new evaluation index system


Internet capacity is expected to take the average turbine needs in that period, the average capacity, the capacity is calculated by the following formula: expected maximum capacity of unit rated capacity = X (average demand during that period the whole network capacity / all of the available capacity of the whole network) In addition, this index system ,==,herve leger toronto,= L =. The commercial availability of the core indicators of the important indicators of degree greater than the secondary target. Commercial availability index calculated generator set required for a variety of data shown in Table 1. Table refer to our current unit status symbol to determine the reliability criteria, they represent the operational status as follows. NS: normal operation unit according to plan; IUD: The first run of unplanned down output; IUD: to contribute to the second class of non-plan to run down; IUD: The third class of non-plan to contribute to run down; IUD: The fourth category of unplanned down output operation; UO: The first unplanned outage; UO: The second unplanned outage; UO: The third unplanned outage; UO: The fourth category of unplanned outages; PO: program shutdown; BF : unit failed bidding, the state failed to grid. Internet in the computer group each time generating unit variable cost, because the variable costs of plant operation and maintenance costs of water and the proportion of small and relatively fixed, with the capacity to change the rates are very small, therefore, here in the calculation of variable costs,Beats By Dre Studio, counting only the cost of coal. Calculated above. Coal consumption by the crew of real-time analysis system for real-time coal or coal consumption curve to get the price of coal to take the average unit price: 225Yr / t. Required to calculate the expected profits of the variable costs,MBTシューズ 販売店, according to the expectations of the Internet capacity from the unit coal consumption curves. Planned shutdown periods, the unit failed bid to extend the time and unplanned outages to 2 El trading periods, the average expectations of the Internet unit capacity units at the time to take the average demand for capacity, the formula above. The generation of the corresponding data calculation formula, get the index value and the right of the coefficient shown in Table 2. This unit of the comprehensive evaluation index value of Y for 87.52. This comprehensive evaluation index value can be used to compare the overall stability of the power generation business. This comparison can be vertical, it can be horizontal. Vertical comparison is the different units of assessment with a view to the index value for comparison to identify the impact of unit stability and profitability reasons. However, this comparison is the same unit at different assessment times the index value to compare, so there's some stability to the unit's own performance, management, cost management and other issues can not be fully exposed. The horizontal comparison can be the target plant compared with other similar plants, power plants to help find a deeper level of stability and unit costs of management deficiencies and make improvements. Table 2 The reliability index of the index value and the right of the coefficient 3 Conclusion of the independent power producers to establish a new evaluation system to measure the reliability of generating units while generating profitability and management level of enterprises has made assessment of this enable power enterprises to better adapt to This new index system of comprehensive evaluation index reflects the degree of importance in the evaluation, and indicators of value as a basis for comparison, you can analyze the impact of the unit from the vertical and horizontal direction of the stability and profitability reasons. In a detailed aspect of analysis is not discussed, this aspect needs further study. References: [1] Zeng Ming. Commercial operation of the electric power industry and electricity market [M]. Beijing: China Electric Power Press, 1999. [2] Shang Jincheng, Huang Yonghao, Xia Qing, et al. Electricity market theory and application [M]. Beijing, China Electric Power Press, 2002. [3] Zhao compliance Lian, Xin Yao, the Guoguo Chuan, et al. Electricity Market Operation System [M]. Beijing, China Electric Power Press,vibram five fingers outlet, 2001. [4] Chen Jianhua, Li Hua, Jiang Jinfeng. Electricity market conditions, reliability and economy of power generation equipment, explore the relationship between [J]. China Power, 2001 (7). [5] section of Wing Kei. Power system reliability theory and application [M]. Beijing: Tsinghua University Press, 1983. [6] Ya-Jin. Comprehensive evaluation of theory and method [M]. Beijing: Science Press, 20O2. [7] section of the tree Joe. The right to change the power management integrated enterprise security evaluation method [J]. Practice and understanding of mathematics, 2003,33 (8). [8] Tang Xuejun, Xue Love, He Jia-kun. A new method of comprehensive evaluation of the application in the power system [J]. Hydroelectric Energy, 1999, I7 (3). [9] Jiang Bing, Zhu Chunlin, Yang Lei. Based on the Operations Research and Management,tods shoes outlet, 2005,14 (1). Received date :2006 -11-07 edit this article: Win-Bin Cheng
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