Generator Stator RTD Testing: Function & 500V Megger Test
Introduction A Resistance Temperature Detector (RTD) is a precise temperature sensor that works by measuring the…
Tube-to-Tube & Tube-to-Copper Resistance Test Guide
Tube-to-Tube and Tube-to-Copper Resistance Tests on Westinghouse and MHI Hydrogen Inner-Cooled Stator Windings Westinghouse hydrogen inner-cooled…
Westinghouse Through-Bolt & Building-Bolt Checks on Stators
Introduction The stator core of a large utility generator is assembled from hundreds of thousands of…
Partial Discharge Test for Generator Stator Windings
Introduction Large utility generator stator windings operate at high voltages (13–24 kV) and must withstand intense…
DC Leakage & DC Hipot Tests for Generators Explained
Introduction Here’s a clear, layman’s explanation of the DC Leakage Test and DC Hipot (High Potential)…
Megger & Polarization Index (P.I.) Testing Explained
Introduction Imagine the insulation around the giant copper coils (windings) inside a power plant generator is…