AGC Designer’s Reference Handbook
DEIF A/S Page 49 of 168
Example 1 (6590 Mains failure voltage
)
Start engine and open MB:
Example 2 (6590 Mains failure voltage
)
Start engine:
Conditions for breaker operations
The breaker sequences react depending on the breaker positions and the frequency/voltage
measurements.
GB On
MB On
Mains failure
detected
Gen start seq
t
FD
Gen stop seq
Mains O