Laboratory service

Diagnosis of rotating machines in the field

Diagnóstico in situ de máquinas rotativas

We carry out diagnostic tests on large rotating machines in the field: generators and motors at power stations and industrial plants.

We have more than 25 years of experience in the testing of large rotating machines in the field, having worked at more than 60 power stations and industrial plants in Spain, Italy, Portugal, Morocco, Belgium and Romania.


  • Off-line Diagnosis
  • On-line Diagnosis
  • Maintenance
  • Commissioning
  • Verification Tests


  • Hydraulic Generators
  • Turbo-alternators
  • Medium Voltage Motors
  • Wind Turbines


  • Insulation Resistance and Polarisation Index
  • Ohmic Resistance
  • Absorption-Recovery
  • Tan-delta and Capacitance
  • Partial Discharge
  • AC, DC Dielectric Strength
  • Magnetic Package Evaluation – EL CID Test
  • Verification of Temperature Probes
  • Rotor Impedance Curve
  • Transformation Ratio
  • Vacuum and Short Circuit
  • Characteristic Curves

Aimed at:

  • Electrical Companies
  • Power Stations
  • Manufacturers of electrical equipment
  • Industrial Plants
  • Maintenance Firms
  • Engineering Firms
 Testing laboratories for t&d networks and smart grids

Smart grids and transportation and distribution networks testing brochure

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