Hydrogenerator Capabilities

Stators

• Stator winding manufacture
• 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
• Calculation of performances, parameters, losses, efficiency
• Heating and ventilation studies
• Field testing for confirmation of performance parameters
• Full redesign of generator stator core
• Analysis / redesign of stator frame
• Calculations of stresses at normal and run-a-way speeds

Salient Pole Rotors

• Rotor winding manufacture
• Testing, inspections and life assessments
• Spider repairs and re-qualifications
• Field Pole repairs, refurbishments or replacement with new
• Rotor components electrical testing
• New pole pieces and pole keys
• New revolving field coils – wire wound, edge bent or fabricated
• Collector rings, fans, ventilation.
• Bearing repairs
• Manufacturing and NDE of rim and spider.
• Frequency conversion projects.
• Redesign of hydrogenerator spider, pole pieces, field winding
• Non-destructive examinations of generator rotor components and shaft forgings
• Dimensional checking of generator rotor components, interference fits.
• Improvements of design and performance of pole-pole connectors