What are the safety interlocks provided?
ECT is wired to shut down safely in any of the following undesirable operating conditions: • High lube oil temperature • Low lube oil pressure • Low air pressure (to valve actuator) • Over speed (which is unlikely) • Over voltage • High winding temperature • Earth leakage • Over load The trip will be annunciated and a hooter will come ‘ON’ and one has to inspect before restarting. In addition an emergency trip (Mushroom button switch) is also provided.