Simulation of auxiliary power system operating state for 600 MW air-cooling units

At present, 600 MW high-capacity air-cooling units have became the main equipment of auxiliary power system, and then there are many loads and complex wirings to play an important role in the auxiliary power system operating state,. Therefore it is very signification to simulate the operation of system and analyze the reliability of all buses and short-circuit current. To solve it, the latest engineer-designing software (ETAP) of auxiliary power system is used in this paper, the model of this system is established to simulate the operating state, then the reliability, power flow, short-circuit current, motor starting checkout, power consumption rate are calculated. Operating state is analyzed, and all the calculated data will provide a basic reference for the future designing.