Transcription of Generator In-Situ Inspections - General Electric
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GE Energy Generator In-Situ Inspections A Critical Part of Generator Maintenance Cost Reduction GER-3954C. Authors Christopher Markman Product Line Leader Life Extension Services Ronald J Zawoysky Generator Engineering Leader Power Generation Services Contents Introduction .. 1. In-Situ Inspection A Critical Part of Generator Maintenance Cost Reduction .. 2. Guidelines for Choosing In-Situ Inspection Versus Pulling the Rotor .. 3. In-Situ Inspection Technologies .. 3. Miniature Air Gap Inspection Crawler (MAGIC) .. 6. Remote Capacitance Probe .. 8. Retaining Ring NDE Scanner .. 8. Other Testing .. 9. MAGIC Acceptance and Experience .. 9. Industry Acceptance .. 9. System Design .. 9. Traditional vs.
Ultrasonic Figure 1 . Generator in-situ inspection capabilities GE Energy | GER-3954C (3/12) 4. Component Common Problems MAGIC Visual ... hot spots, evidence of movement X X Space Blocks Migration, cooling passage blockage X X Gas Gap Baffle Studs Cracked welds, looseness X X Stator Wedges Looseness, loss, sparking damage X X Stator Bars ...
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