Maintenance

A COMPREHENSIVE APPROACH TO MAINTENANCE

In order to maintain and improve the performance of your installations and to prevent the risk of obsolescence, we are equipped with the latest thermographic analysis, vibration analysis, laser alignment and electrical testing tools.

  • Thermographic diagnosis: abnormal heating of the bearing

  • Thermographic diagnosis: high-voltage connection tightening fault

  • Thermographic diagnosis: alternator connection crimping fault

ER3i carries out the maintenance:

> Preventive maintenance inspection 
> Oil analysis (transformers, step-up gears, hydraulic unit)
> Thermographic analysis
> Vibration analysis
> Mechanical checks (bearing, couplings, etc.)
> Alignment checks
> Hydropneumatic accumulator pressure checks
> Safety checks
> Isolation measurement
> Earthing measurement
> etc.

One annual ER3i maintenance inspection:

> Lubrication (bearings, rolling elements)
> Lubrication of external equipment (screen rake chains, valve, gate, etc.)
> Cleaning (electrical cabinets, HV station, level probes, etc.)
> Adjustment of turbine throttling (wicket gates, etc.)
> Hydraulic adjustments
> Draining (step-up gears, hydraulic unit)
> Check and refill of nitrogen on batteries
> etc.

Troubleshooting intervention (diagnosis and repair):

> PLC
> Low- and high-voltage electricity
> IT
> Generators (coils, rolling elements, etc.)
> Hydraulic unit, actuators
> Step-up gears
> Shaft lines, bearings
> Turbine wheels
> Turbine throttling (wicket gates, rods, connecting rods, power supplies, etc.)
> Peripherals (pumps, valves, screen rakes)
> etc.

 

  • Repair of a cavitation

  • Alternator reconditioning

Energy, renewable energy, water industry, hydroelectric, ...

AREAS OF ACTIVITY

The Er3i teams accompany you throughout the life of your projects.

ER3i

The company

Design, manufacture, installation and commissioning of electrical and mechanical equipment for Energy and the Environment.