随着社会的进一步发展,能源的紧缺日益突出,国内外能源的价格也只升不降。石油、煤炭、天然气等不可再生的资源日益枯竭,已影响到了社会正常运转的大动脉,人们已转向寻找新的无污染的环保替代能源,如太阳能、核电、风能等,但因其技术与投资的原因,在短时间内得不到全面广泛的应用。低谷电能的出现,无疑为人们雪中送炭。 With the further development of society, the shortage of energy is increasingly prominent, and the price of energy both at home and abroad only increases or decreases. The inexhaustible depletion of resources such as oil, coal and natural gas has affected the normal operation of society. People have turned to new, clean and environment-friendly alternative energy sources such as solar energy, nuclear power and wind energy. However, due to their technology and investment The reason, in a short time can not be a comprehensive and wide range of applications. The emergence of low-level electricity, no doubt people get it.