NATIONAL ELECTRIC COIL CO., L.P.

Stators •Testing, inspections and life assessments •Stator Rewinds •Core Restacks and Repairs, Partial or Complete •Parallel Ring Modifications • Main-Neutral Interchanges •Rewedges, Wedge Tightening •Through Bolt Retightening & Hardware Replacements •Field testing of large generators for confirmation of performance parameters •Full redesign of turbo/hydro generator stator core technology and execution of on-site or in-shop restacking after catastrophic failure or just for improvement of machine performance. •Analysis of stator frame structure and measures for eliminating deficiencies. •Theoretical calculations for rotor winding temperature change due to change in rotor coil insulation. •Calculations of stresses at normal and run-a-way speeds for hydrogenerators. •Full redesign of generator stator core technology and execution of on-site or in-shop restacking after catastrophic failure or just for improvement of machine performance.