METHOD FOR COOLING BATTERY MODULES INCLUDED IN ENERGY STORAGE SYSTEM (ESS)

The present invention relates to a battery module cooling system and method thereof and more specifically, relates to a battery module cooling system and method thereof in which it is possible to individually control the corresponding cooling fan by considering the temperature and voltage states of each battery module included in the energy storage system (ESS) and it does not require the operation of connecting a separate external power cable for each cooling fan to drive the cooling fan.