AVR Energies provides specialized Operations, Maintenance & Repair Services for steam and gas turbines, backed by experienced field teams and a focus on reliability.
Turbine Operations
Our operations support helps maintain stable, efficient turbine output under all load conditions.
Steam Turbine Operations
Our steam turbine operations include impulse and reaction turbine configuration support, extraction turbine management for feedwater heating, process steam, and cogeneration.
We implement sliding pressure operation to reduce throttling losses and improve part-load efficiency, along with condensing turbine optimization through low exhaust backpressure.
Gas Turbine Operations
Our gas turbine operations cover Brayton cycle performance monitoring and troubleshooting, with quick start-up, shutdown, and peak load operational guidance.
We conduct combustion and exhaust parameter reviews to ensure stable operation under varying load conditions.
Turbine Maintenance
AVR Energies combines time‑based, condition‑based, and predictive techniques to prevent failures and extend equipment life.
- Scheduled inspection of lubrication systems, bearings, couplings, and seals.
- Control valve, governor, and protection system functional checks.
- Daily, weekly, monthly, and annual inspection plans aligned with operating hours.
- Air filter replacement, compressor washing, fuel nozzle inspection, and cooling system verification for Gas Turbines.
Condition Monitoring
- Vibration analysis with continuous trend monitoring for early fault detection.
- Oil analysis to identify bearing and lube oil wear and contamination.
- Thermography and ultrasonic inspection of critical components.
- Performance trending of output, heat rate, pressures, and temperatures.
Component Condition Assessment
- Visual inspection and non‑destructive testing (UT, MPT, DPT) of blades, rotors, casings, and valves.
- Hot gas path examinations on gas turbine liners, transition pieces, and vanes.
- Metallurgical analysis for creep, thermal fatigue, and coating deterioration.
Turbine Repair & Overhaul
When components degrade, our repair teams restore design performance through targeted interventions and complete overhauls.
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Rotor & Shaft Repairs
- Crack detection, dimensional checks, and surface repair.
- Dynamic balancing and shaft alignment verification.
Blade & Vane Repair and Replacement
- Erosion, corrosion, crack, and foreign object damage repairs.
- Welding restoration, tip repair, and thermal coating renewal.
- Complete blade replacement with dimensional inspection.
Seal & Bearing Refurbishment
- Seal strip inspection, replacement, and clearance adjustment to control leakage.
- Bearing pad and surface inspection, clearance checks, and lubrication system overhaul.
Hot Section & Combustor Repairs for Gas Turbines
- Combustor liner and transition piece crack repair, cooling passage cleaning.
- Fuel nozzle servicing, ignition system testing, and flame detector inspection.
Complete Overhauls
- Full disassembly, inspection, repair, and reassembly of turbine trains.
- Casing, rotor, blade, seal, and bearing restoration.
- Alignment, clearance verification, and post‑overhaul performance testing.
Generator Maintenance
AVR Energies manages generator maintenance and testing to ensure reliable electrical output from your turbine set.
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Inspection & Diagnostics
- Stator and rotor winding inspection for overheating, contamination, and insulation wear.
- Insulation resistance (IR) and polarization index (PI) testing.
- Winding resistance, rotor earth fault, and stator earth fault checks.
Rotor & Stator Maintenance
- Retaining ring inspection, shaft alignment, winding insulation repair, and dynamic balancing for Rotor.
- Core lamination review, loose wedge tightening, cooling duct cleaning, and RTD replacement for Stator.
Bearing & Alignment
- Bearing temperature, vibration, and oil condition monitoring.
- Bearing clearance checks, pad refurbishment, and lubrication system servicing.
- Generator‑to‑turbine shaft alignment and coupling verification.
Performance Optimization
- Automatic Voltage Regulator system reviews.
- Load sharing and power factor management.
- Loss reduction through proper cooling, insulation health, and timely maintenance.
