另外，大用户还可向执行保险人职能的电网公司购买备用容量，以便及时代替发生停电事故的合同发电商来供电。
Big customers can take out insurance policies for the loss caused by power supply interruption in order to ensure power quality and reduce the risk of power supply interruption.
本文提出了水电站（包括常规水电站和抽水蓄能电站）以其空闲容量向系统提供补充事故备用之动态效益的定量评估方法。
The dynamic benefits are of significance to economic benefits evaluation of emergency reserves of hydropower stations, and to optimum planning and operation of power system as well.
市场环境下的容量事故具有高度的不确定性和严重的后果，故系统备用容量的合理配置问题受到广泛关注。
In the marketing environment, all kinds of capacity faults occur frequently and with deadly results. Therefore, reasonable configuration problem of reserve capacity is broadly concerned.
市场环境下的容量事故具有高度的不确定性和严重的后果，故系统备用容量的合理配置问题受到广泛关注。
In the marketing environment, all kinds of capacity faults occur frequently and with deadly results. Therefore, reasonable configuration problem of reserve capacity is broadly concerned.
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