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Turbines
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•NFT on blades
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•NDT Tests
|
|
Generator / Motors
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•Stator
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•Windings
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•Wedge Tightness
Check (Mapping)
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•Winding Insulation
Resistance
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•Over Voltage
Proof Test (AC / DC)
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•Dissipation
Factor and Tip-Up (Tan Delta and Capacitance Measurement)
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•Partial Discharge
Test (Computerized)
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•Corona Probe
/ PD / TVA Test (Slot Discharges)
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•Bushing /
Dielectric Losses
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•Surge Comparison
Test
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•DC Winding
Resistance
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•Natural Frequency
(Bump) Test
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•Contact Resistance
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•Core
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•Visual Inspection
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•Electromagnetic
Core Imperfection Detection (ELCID) / Low Energy Core Test
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•Loop Test
/ High Energy Core Test
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•Core Tightness
Inspection
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•Rotor
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•Visual Inspection
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•Voltage Drop
Test
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•Impedance
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•DC Winding
Resistance
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•Insulation
Resistance
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•Recurrent
Surge Oscillograph (RSO)
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•Metallurgical
Tests on retaining rings (DP & UT)
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On - Line Tests
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•Partial Discharge
Analysis (Testing, Installation and Commissioning)
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•Current /
Electrical Signature Analysis
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•Vibrations
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•Acoustic Emission
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•IR Thermography
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•Harmonic Analysis
Measurements
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