Seminar

Seminar Content
  • Induction motor
    • Squirrel cage type
    • Fabricated bar rotor
    • Die-cast aluminum rotor
    • Wound rotor motor
    • Rotor resistor speed control
    • Rotor voltage speed control
  • Synchronous
    • High-speed solid-rotor
    • Laminated rotor, copper cage
    • Solid steel rotor – pole caps
  • High speed, solid rotor, turbo
  • Low speed, hydro type
  • Doubly fed wind generators
  • Sample specs 2300 & 4000 v
  • Sample specs – 6.6, 13.3 kV
  • Sample spec – 600v motor
  • MRX forms
  • LEMUG motor rewind spec
  • Shop Traveler
  • Quality Control Management
  • Economics – Rewind vs New
  • What do the standards say?
  • Ventilation pattern on winding temperature
  • Rotor temperature rise during starting
  • Calculating acceleration time for high WR2
  • Wire insulation
  • Turn insulation
  • Ground insulation
  • Types of insulation systems
    • VPI insulation
    • Resin-rich insulation
    • Non-VPI or dry insulation
  • Helical coil bond strength
  • High DC voltage resistivity
  • Good for high temp. AC volts
  • Thixotropy used for
    • No run-out after impregnation
  • Standard Roebel transposition
  • 540 degree Roebel
  • Twisted-turn transposition
  • Group transposition
  • Standard construction
  • Brick construction
  • Current density – flux density
  • Void concern – Paschens Law
  • Choice of number of circuits
  • Equalizer connections
  • Unbalanced magnetic pull
  • Integral slot windings
  • Fractional slot windings
  • Interspersed windings
  • Wave windings
  • Lap windings
  • 1 & 4 connection
  • 1 & 7 connection
  • 2-speed, single winding types
  • PAM windings
  • Various connection diagrams
  • Amperes per square inch
  • Circular mil per amp
  • Input/output
  • Segregated Losses
  • Retardation
  • Load Testing
  • Dynamometer
  • Back-to-back
  • Dual-frequency
  • Forward stall
  • Conductor to ground tests
  • High-frequency tests
  • Insulation resistance
  • Polarization index
  • Surge test
  • AC/DC hipot
  • Reduced voltage starting
  • Operation at full speed, N.L.
  • Winding analyzers
    • Baker
    • All Test Pro
    • PDMA
    • Partial discharge, Iris/Doble
  • Broken rotor bar tests
  • Core Steel components
  • Commercial core tester
  • Loop test
  • El Cid
  • Copper vs. aluminum windings
  • Guide
  • Thrust
  • Sleeve
  • Anti-friction
  • Oil (additives, viscosity)
  • Grease types
  • Causes
  • Cures
  • Online protection/monitoring
  • Corrective
  • Preventative
  • Predictive
  • Tired
  • Trending
  • Shop Tour
  • API – Nema – IEEE 841 Comparison
  • Vibration
  • “Wall of Shame”