Radio
Receiver
Limit Switches
Limit Switches
Limit Switches
48...230 Vac
Control Signals
Freq . Conv .
Power
supply
Main Contactor
Freq . Conv .
Freq .
Conv .
Speed Feedback
Brake Control
Brake Control
Brake Control
Hoist
Bridge
Trolley
Active Rectifier
DC bus Inv .
Inv . Inv . Inv .
Hoist
Control Voltage
Trolley
Inv . Inv .
Gantry
DC bus Diesel Generator
Auxiliary Winches
LC Filter
Active
Rectifier
Active
Rectifier
3 - Phase Transformer
Power Supply through Motorized
Cable Reel DC bus
Inv . Inv . Inv . Inv . Inv .
Hoist
Gantry Sea Side
Gantry Land Side
Trolley Boom
Inv .
Auxiliary Winches
010
20
30
40
50
60
70
80
10 15 20 25 30 35 40 45 50
Effi
cie
ncy
(%
)
Load (%)
50 Hz 100 Hz 150 Hz
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