MEC 320 GENSET CONTROLLER
PM079 Rev 0 07/06/08 33 Thomson Technology
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
Gen start seq
t
Gen stop seq
Mains OK
Mains OK
t
Gen f/U OK
t
t
GB On
MB On
Mains failure
Mains OK