Dual 480V supplies feed battery chargers BC1 and BC2 which connect to the DC1 panel. A battery bank ties into the DC bus alongside outgoing positive and negative circuits to medium-voltage switchgear controls, unit substations, and the HMI cabinet.
DC1 PNL (+) (-) (+) (-) (+) (-) (+) (-) (+) (-) (+) (-) BATTERY BATTERY CHARGER BC1 (+) (-) BATTERY CHARGER BC2 480V SUPPLY FROM 1LNDH1 480V SUPPLY FROM 1LNDH2 TO MVSWGR-AB CONTROLS AND I/O TO MVSWGR-RMA & MVSWGR-RMB CONTROLS AND I/O TO US1A & US1B CONTROLS AND I/O TO HMI CABINET
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