This figure shows a simplified main circuit diagram of parallel-connected DC/DC
converter modules with the DC switch-disconnector (option +F286) and charging
circuit. Also the energy storage and related cabling and equipment are visible.
DC/DC converter cubicles1
Energy storage cabinet2
Drive DC bus3
DC switch-disconnector (option +F286)4
Charging components (with option +F286)5
DC/DC converter module6
Filter module7
Cabling between DC/DC converter unit and energy storage8
Energy storage disconnecting device9
Energy storage protective circuit breaker10
Energy storage11
Bridging busbar12
18 Operation principle and hardware description