Double circuit power supply and emergency generator for the building.

大厦采用双回路供电，配有应急发电机。

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The principle of Emergency Power Supply system is presented, its field of practical application and the connection method of normal circuit and the capacity choice of EPS are discussed in this paper.

简述了EPS应急电源的工作原理，探讨了它的适用领域，给出了EPS应急电源常见的接线方式和容量选择方法。

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Micro-grids are an important solution: a combination of a generator and hardened distribution system can supply reliable and larger quantities of electricity to a small circuit of users including emergency services, shelters, gas stations and grocery stores.

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