抽水蓄能电站系根据能量转换原理,利用电力系统负荷低谷时的剩余电量,把水从低处的下池抽到高处的上池,以位能形式储蓄起来。当电力系统处于高峰负荷时,再利用上池储存的水通过水轮机放入下池发电,供电力系统调峰使用。由于抽水蓄能电站具有运行灵活,调峰方便,没有污染等优点,近年来欧、美及日本等国,相继修建了大量的抽水蓄能电 Pumped storage power station based on the principle of energy conversion, the use of power system load remaining low electricity, the water from the lower pool to the upper pool, the energy stored in the form of potential. When the power system is at peak load, the water stored in the upper pool is reused to generate electricity in the lower pool through the turbine for peaking of the power system. As pumped storage power station has the advantages of flexible operation, convenient peak regulation and no pollution, in recent years, many countries such as Europe, the United States and Japan have built a large number of pumped storage power