SCOPE OF WORK
Electrical tests
Insulation resistance, polarization index and dielectric absorption ratio of:
Stator winding.
Rotor winding.
Main exciter stator winding.
PMG stator winding.
Inspection and verifications
Electrical connections of three phase rotating rectifier bridge.
Connections of main exciter, PMG and rotor winding.
RTDs, thermocouples, current transformers, and space heaters.
Generator foot shims and clamp.
Cleaning of main terminals and generator cables.
Cleaning of the generator compartment and connection box.
Heat run commissioning tests
Bearings temperatures.
Windings temperatures.
Air flow temperatures.
Bearing vibration levels.
Voltage and current balance.
