系统备用容量

如果能够提前对风电功率进行准确的预测，则有利于及时调整调度计划，保证电能质量，减少系统备用容量，获得更多的经济效益和社会效益。

If wind power can be accurately forecast in advance , scheduling plan can be adjusted timely to ensure power quality , reduce system reserve capacity and acquire more economic and social benefits .

保留适当系统备用容量的前提下，通过扩展潮流计算方法，计算当前时段系统可恢复的最大负荷量，以此负荷恢复量最大为目标函数，利用改进蚁群算法实现网络优化。

The maximum amount of recovery load in current step can be calculated by an extended power flow method on the basis of system reserve capacity . Then an improved Ant Colony algorithm which combined with a random topology search strategy is used to optimize the network for load recovery .

抽水蓄能电站承担系统备用容量的经济性分析

Economic Analysis on Pump Storage as Reserve Capacity for Power System

因此，需求侧可中断负荷（IL）和发电侧备用容量一样，都可作为系统的备用容量参与辅助服务市场。

Therefore , both the interruptible load ( IL ) of demand side and the reserve capacity of generation side can be involved in ancillary services markets as system reserve .

区域电力系统最优备用容量模型与算法

Immune Genetic Algorithms for Modeling Optimal Reserve Capacity of Interconnected Regional Power Systems

互联区域电网间的区域功率交换减少系统的备用容量，有利于电网的安全经济运行。

Area power transaction ( TTC ) among interconnected power systems reduces the reserve capacity and enhances secure and economic operation .

着重研究了系统的备用容量与发电可靠性和用电可靠性之间的关系以及不同发电可靠性条件下的发电可靠性电价和不同用电可靠性条件下的用电可靠性电价的确定。

The relation among power system reserve capacity , power generation reliability and power consumption reliability and the determination of both power generation reliability pricing under different power generation reliability conditions and power consumption reliability pricing under different power consumption conditions are emphatically studied .

接着，提出了增加电力需求弹性的两个措施：研究确定出各种措施以使得系统操作员对运行备用容量的需求有弹性以及对于大用户用RT市场的真实价格；

Then , proposed methods to increase the electricity elasticity of demand : to make the reserve capacity more elasticity and use the real-time price for the customers ;

电网公司根据发电厂机组的可靠性水平确定系统需要增加的备用容量，进而确定发电厂的可靠性电价。

The power grid company determines the reserve capacity to be increased according to the reliability levels of power generation sets and then the reliability pricing of power plant is ascertained .

并将该算法应用于IEEE30节点系统，证明了所定义的基于电压稳定的系统无功备用容量计算公式的正确性及提高备用容量的无功优化调度算法的可行性。

Applying the proposed algorithm to IEEE 30-bus system , calculation results prove that the defined computing formula of system reactive power reserve based on voltage stability is correct and the proposed optimal dispatch algorithm of reactive power is feasible .