Hardware description
29
Example circuit diagram (frame 2×R8i+2×R8i)
This diagram represents a frame 2×R8i+2×R8i drive
without any EMC, du/dt filter or
brake options. Both the supply unit and the inverter unit consist of two parallel frame
R8i converter modules.
The supply unit and inverter unit have their own control boards (RDCU control units)
and control programs.
M
Ground fault monitoring
(+Q954)
230 V AC or 115 V AC (+G304)
M
DC bus
M
3~
230/115 V AC230/115 V AC
Main
supply
M M
230/115 V AC230/115 V AC
Charging
circuit
Supply unit Inverter unit
Main
breaker
LCL filter