Generator Services


It's peak season and your generator is on a forced outage...

You Need Reliable Turbine Services.

 

RTS is proud to announce our entry into the generator services market to round out our portfolio of field services that we offer our customers as their comprehensive, turn-key solution to all of their turbine & generator service needs.

Rotor Services

  • Brushless exciter test, inspection and complete overhaul
  • Field ground detector troubleshooting for both RF and Optical systems
  • Retaining Ring removal & inspections
  • Non-destructive testing (NDT) of retaining rings
  • Collector ring machining
  • Complete rotor rewind
  • Post-rewind high speed balancing
  • Radial hydrogen seal replacement

Stator Services

  • End winding resonance detection and repairs “bump test”
  • Connection ring / parallel ring re-blocking & re-tying
  • End winding re-blocking & re-tying based on bump test & visual inspection results
  • End winding stiffening treatment
  • Corona and partial discharge activity abatement
  • Stator re-wedging
  • Flux probe installation
  • Dry ice “CO2” blasting excessively contaminated stators
  • High voltage bushing replacement
  • Temporary High voltage bushing & terminal plate leak repairs (“damming”)
  • Replacement of stand-off insulators
  • Stator core iron repairs

Stator Testing

  • Insulation resistance & polarization index (“megger & P.I.”)
  • DC Leakage test and Hi Pot
  • ELCID testing for core faults
  • Digital wedge mapping
  • Ripple / PSDS spring depth gage testing for wedge tightness
  • DC resistance testing of each phase
  • Bump test / modal analysis of end windings & connection rings
  • Corona camera
  • Doble / Tan-Delta / Power Factor testing
  • Thermographic detection of high resistance connections
  • Westinghouse / MHI inner-cooled unit testing including
    • Transposition Testing
    • Tube to tube resistance test
    • Tube to copper resistance test
    • Core through bolt & building bolt torque checks & re-tightening
    • Megger of through bolts
    • Parallel ring flow testing
  • High voltage bushing replacement
  • Temporary High voltage bushing & terminal plate leak repairs (“damming”)
  • Replacement of stand-off insulators
  • Stator core iron repairs

Rotor Testing

  • Insulation resistance & polarization index (“megger & P.I.”)
  • DC resistance testing
  • AC impedance test
  • Pole balance test
  • Recurring Surge Oscillography (RSO) test for shorted turns
  • Hydrogen seal pressure test for leaks
  • Borescope visual inspection

Additional Capabilities

  • Consultant services
  • Root cause analysis
  • Silver plating (electro-plating) bus work mating surfaces

Generator Assessment Testing and Evaluation

Reliable Turbine Services GATE 1-2-3 Pre-Packaged Generator Testing & Inspection Programs

RTS GATE 1-2-3 programs offer customers a testing and inspection package of services tailored to their specific needs. Individualized packaged service plans ensure that your generator gets the right testing program every time. The GATE offerings are designed to meet the exact needs of each generator, and are meant to give you the confidence of knowing that no issue will go undetected, and peace of mind knowing your generator will produce power reliably once returned to service.

GATE 1 Minor Inspection
with generator rotor in place

  •  Limited electrical testing
  •  Visual inspection of unit with rotor in place
  •  Reveals pending faults in winding of the rotor and armature
  •  Reveals deterioration of coil insulation caused by corona or end winding vibration
  •  Establishes a "base line" for evaluating future inspections and input for establishing planned major maintenance activities

GATE 2 Major Inspection
with rotor out, limited testing

  •  Borescope inspection of armature winding, rotor winding and blocking (as accessible), stator core step laminations and fingerplates
  •  Insulation resistance of RTD's, armature winding, and rotor winding
  •  Armature Winding Test – Polarization Index (PI), Resistance, DC step voltage test. ELCID, Wedge map
  •  Rotor Winding Test – Polarization Index, Resistance, AC Impedance, RSO

GATE 3 Major Inspection
extensive testing

  •  Similar to GATE-2 with additional tests such as Doble, "Bump" and ELCID
  •  Reveals pending faults in winding of the rotor and armature
  •  Reveals deterioration of coil insulation caused by corona or end winding vibration
  •  Reveals possible shorted core laminations
  •  Reveals loose slot support system
  •  Establishes a "base line" for evaluating future inspections and input for establishing planned major maintenance activities
Got an outage? Request a quote to see how Reliable Turbine Services can help. We will respond promptly.

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Expert Answers

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ISO 9001:2008 CERTIFIED

With our combined years of dedicated service in the machining industry, we understand the importance of timely delivery without substituting quality.
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SAFETY COMMITTMENT

RTS considers the prevention of accidents to be of the utmost importance to the well-being of our work force and yours, resulting in efficient productivity and customer satisfaction. SAFETY IS THE JOB OF ALL HANDS.
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RTS LOCATIONS

  • Sullivan, MO
858 Acid Mine Road
Sullivan, MO 63080 USA
(+1) 573-468-4045
Houston, TX

1502 Gault Road
Houston, TX 77039 USA
(+1) 281-557-0103
Latin America, Antioquia

Carrera 43A #19-17 Office 303
Medellin, Antioquia 05001 Colombia
(+57) 312-623-0630

ANNOUNCEMENTS

Visit RTS and Fuji Electric at Power-Gen International Las Vegas 2017

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