Generator Stator Services

MD&A provides turnkey services for water-cooler, hydrogen-cooled, and conventionally-cooled generators of all sizes and makes by most manufacturers. We have developed an extensive list of customers in the US, South Africa, Australia, Canada and Asia. MD&A is one of the few companies in the world capable of providing complete turnkey liquid-cooled stator rewinds on a short-cycle basis. Our ability to provide new liquid-cooled bars, global clip replacements and comprehensive testing along with technical direction and experienced project managers has helped to make us on of the fastest growing and most reputable turbine-generator engineering services organizations in the United States.

An abbreviated list of our stator services includes:

• Full and partial stator rewinds
• Technical direction, professional consultation and second opinions
• Project management
• Complete labor services
• Stator water leak repairs
• Stator bar insulation repairs
• Comprehensive testing and inspection services including full GE TIL-1098 testing, and AC High-Potential testing
• Replacement and repair of core iron
• Stator core tightening for GE & Westinghouse units
• End winding support system repairs and redesign
• Global and partial clip replacement using MD&A's patented two-piece clip
• Re-wedging and wedge upgrades including GE TIL-1197
• Complete stator bar replacement, redesign and up rating analysis
• High-voltage bushing rebuilding and replacement
• Application of "tagging compounds" for core monitoring systems
• Installation of flux probes, and stator slot couplers
• Refurbishment of flex leads and provision of stand-off bushings

If you have questions about MD&A's generator repair services please call 314-880-3000.