什么情况下考虑兴建抽水蓄能电站?主要优点是什么?

2025-04-04 06:31:06
推荐回答(2个)
回答1:

抽水蓄能是一种经济资源。

抽水蓄能可以把低价值能源转换成高价值能源,可以优化系统能源资源的利用,实现对不同价值、不同质量电能的时空移动,可以产生比他消耗的能源多得多的经济价值。

抽水蓄能是系统中一种不可缺少的特殊生产资源,依托于电力系统的高可靠性、顶峰填谷、调频调相等客观需求而存在的。常规电源有其调节约束,不能完全满足系统在故障等运行工况下的调节需求,需要备有一定容量的抽水蓄能,以备系统可以动态的随时的调用以应对其客观特性。

注意事项:

抽水蓄能削峰填谷作用明显,可有效助力系统消纳清洁能源。一是抽水蓄能电站顶峰发电的能力,可减少常规机组开机方式,降低系统中常规机组的最低技术出力,为消纳清洁能源腾出空间。

二是弃电时段,抽水蓄能电站可以抽水储能,将弃电量存储起来,提升清洁能源利用水平。此外,抽水蓄能调节迅速灵活,是应对高比例新能源系统有功波动性变大的有效手段。

回答2:

抽水蓄能电站运行具有几大优点:它既是发电厂,又是用户,它的填谷作用是其它任何类型发电厂所没有的;它启动迅速,运行灵活、可靠,除调峰填谷外,还适合承担调频、调相、事故备用等任务。目前,中国已建的抽水蓄能电站在各自的电网中都发挥了重要作用,使电网总体燃料得以节省,降低了电网成本,提高了电网的可靠性。

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