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TPL-A 95

Turbocharger · Turbochargers

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍‍​‍‌‌‌‌‍‌‍⁠‍‌‍

The ABB Turbocharging / Accelleron TPL‑A 95 is a high‑capacity low‑pressure turbocharger designed for two‑stroke marine diesel engines up to about 50 MW, delivering very high turbine efficiency and robust operation.

Specifications

Technical data.reference — unverified

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Frame Size95
Power max (kW)50000
Inspection

Inspector Detail ✓ verified

Common issues

  • Compressor wheel fouling due to poor air filtration
  • Turbine blade erosion from high-temperature exhaust gases
  • Bearing wear and vibration caused by misalignment or imbalance
  • Oil leakage from turbocharger bearings or seals
  • Compressor surge and stall due to incorrect turbocharger sizing or operation
  • Turbine housing cracking from thermal stress or vibration
  • Rotor imbalance due to worn or damaged components

Inspection checklist

  • Visual inspection of compressor and turbine blades for damage or fouling
  • Check turbocharger bearings and seals for signs of wear or leakage
  • Verify proper alignment and balance of turbocharger rotor
  • Inspect air filtration system for cleanliness and effectiveness
  • Check turbine housing and exhaust gas system for signs of thermal stress or vibration
  • Measure turbocharger performance using pressure and temperature sensors
  • Verify proper lubrication and cooling of turbocharger components
  • Check for signs of corrosion or water ingress in turbocharger components

Service intervals

major_overhaul30000 to 40000 hours
bearing_replacement15000 to 20000 hours
seal_replacement10000 to 15000 hours
compressor_blade_cleaning500 to 1000 hours

Typical wear limits

compressor_blades10% to 20% of original blade height
turbine_blades5% to 10% of original blade height
bearings0.1 to 0.5 mm of radial clearance

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

  • Turbocharger bearings
  • Seals and gaskets
  • Compressor and turbine blades
  • Rotor shaft and wheels
  • Bearing housings and covers
  • Lubrication and cooling system components

Safety

  • High-temperature exhaust gases and risk of fire
  • Rotating machinery and risk of injury from entanglement or ejection
  • Compressor surge and stall causing loss of engine power or control

Class survey

Verify turbocharger performance and condition, check for signs of wear or damage, and review maintenance records to ensure compliance with manufacturer recommendations and class survey requirements

Estimated lifetime: 50000 to 70000 hours

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