Figure 6.1 Block diagram
CONTACTOR
3-PHASE
CHOPPER
POLYP HASE
TRANSFORMER
POWER
BOARD
GATE DRIVER
BOARD
CONTROL
RECTIFIERS
PIE FILTER
DISPLAY
BOARD
INTERFACE
ASS'Y
DC VOLTAGE
& CURRENT
208/380/480 V
3-PHASE
CURRENT FED
INVERTER
INDUCTORS
DC LINK
EMI FILTER
FUSES
RECTIFIER
3-PHASE
INRUSH
LIMITER
POWER SUPPLY
AUXILIARY
93
