TESTING SERVICES



Stator Electrical and Mechanical Tests

• D.C. Hipot
• D.C. Leak Voltage
• RTD Insulation Resistance
• Tube to Tube Resistance
• RTD Resistance Measurements
• Transposition Voltage Comparison Test
• Vent Tube Pressure Drop Test, Flow Test
• Parallel Ring Assembly Air Flow Test
• Main & Neutral Bushing Air Flow Test
• Air Gap Baffle Wedge Assembly Tightness
• Check Torque of Through & Building Blocks
• Complete Visual Inspection of Stator Components
• Wedge Tightness Test (Rotor to be removed)
• Dielectric Absorption
• Insulation Resistance of Each Phase
• Thermocouple Continuity Test
• Tube to Copper Resistance
• Phase Resistance Measurements
• Doble Test
• Loop Test
• NDE Test

ELCID Examination of Generator Stator Core

• Inspect for Abnormal Generator Conditions
• Set up Equipment and Calibrate
• Install Excitation Cable in Generator
• Connect with 220 VAC Source
• Perform Electromagnetic Inspection of Stator
• Observe Inspection Findings as Gathered, Verifying Through Repeat Inspection
• Test Step Iron
• Verify Calibration at Conclusion of Inspection
• Review Inspection Findings with Customer

Rotor Electrical and Mechanical Tests

• Impedance Test
• Insulation Resistance of Windings
• Rotor Winding Resistance Measurements
• Air Test Radial Lead Assembly
• Complete Visual Inspection of Generator Rotor
• Pole Balance
• RSO Test

Exciter Tests

• Electrical Tests
• RTD Resistance Test
• RTD Insulation Resistance
• Thermocouple Continuity

PMG Tests

• Winding Resistance
• Visual Inspection
• Insulation Resistance

Insulation Tests

• Bearing & Pedestal Insulation Resistance
• Rotor Ground Detection Ring

Diode Wheel Tests

• Fuse Testing
• Diode Current Leakage
• Capacitor Change & Discharge
• Diode Wheel Insulation
• Insulated Ground Detection Ring Insulation
• Diode/Heat Sink Contact Resistance
• Diode Forward & Reverse Resistance
• Voltage Divider Resistance
• Radial Main Leads & Coupling Leads