DC ESSENTIAL GENERATION SWITCHINGThis topic explains the control circuit of the DC ESS power. The DCESS network consists of:- DC ESS BUS 4PP,- DC ESS SHED BUS 8PP.The control circuit enables the DC ESS network to be supplied:- from the ESS TR in normal operation,- from the BAT BUS in abnormal operation,- from the BATs in emergency operation.OPERATIONIn normal supply configuration, the ESS TR supplies:- the DC ESS bus 4PP via the TR contactor 3PE,- and the DC ESS SHED bus 8PP via the contactor 1PH.