1. Exciter Inspection
4. Electrical Testing of Generators
Electrical Test Items for Generators
1. Preventive Tests for Generators
1) Measurement of stator winding insulation resistance and absorption ratio;
2) Measurement of stator winding DC resistance;
3) Measurement of rotor winding insulation resistance;
4) DC resistance measurement of rotor windings;
5) Insulation resistance measurement of excitation circuit and associated equipment.
6) Generator DC withstand voltage test;
2. Generator Protection Tests
1) Generator differential protection test;
2) Generator comprehensive protection test;
3) Generator grounding protection test;
4) Generator main protection test.
2. Rectifier Panel Inspection
3. Insulation Testing of Generator Rear Bearing Housing
4. DC Withstand Voltage Test
5. AC Withstand Voltage Test
6. Stator Winding Absorption Ratio Testing
7. Rotor Insulation Resistance Testing
8. DC Resistance Testing of Rotor Windings
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