POWER GENERATION
Main Bus Voltage
Diesel Generator No.1
DG-1 · 1500 kW · 440 V
ONLINE
Load
850 kW
Load %
57%
Voltage
440 V
Freq
60.0 Hz
Current
1113 A
P.F.
0.93
Diesel Generator No.2
DG-2 · 1500 kW · 440 V
STANDBY
Load
— kW
Load %
—%
Voltage
— V
Freq
— Hz
Current
— A
P.F.
—
Emergency Generator
E/G · 250 kW · 440 V
STANDBY
Load
— kW
Voltage
— V
Bus Tie Breaker
Paralleling A and B bus — check sync before closing
Shore Power
SINGLE LINE DIAGRAM — MAIN SWITCHBOARD (MSB)
ALARM MANAGEMENT SYSTEM
Blackout: all main power lost · E/G auto-start required
CLICK ALARM TO ACKNOWLEDGE
LOAD MANAGEMENT — TOTAL LOAD
BUS A LOAD
850 kW
BUS B LOAD
0 kW
TOTAL
850 kW
SCENARIO / TREND
NORMAL OPERATIONS
DG-1 online feeding Bus A. DG-2 on standby. Loads within limits. Monitor insulation resistance and load balance.
EARTH FAULT DETECTION (IEC 60092)
INSULATION MONITOR
HEALTHY
IT system — resistance to earth
Insulation Resistance (MΩ)
Earth Fault Locator
No fault detected
System Notes (IEC 60092-302)
Ships use IT (Isolated Terra) earthing system. First earth fault does not trip supply but must be located. Second earth fault causes short circuit — find first fault quickly.