DIAGNOSTICS

In order to meet the requirements of our clients, Fabryka Transformatorów w Żychlinie offers state-of-the-art measuring equipment, a fully equipped laboratory and experienced staff.

The Testing Station performs tests and measurements of transformers in the following areas:

  • measurement of magnetic current,
  • measurement of leakage reactance,
  • measurement of winding resistance,
  • measurement of the transmissions,
  • checking the connection group,
  • measurement of insulation resistance,
  • measurement of no-load losses and current,
  • measurement of load losses and short-circuit voltage,
  • zero sequence impedance test,
  • induced voltage test,
  • applied voltage test,
  • impulse voltage test,
  • acoustic measurements of partial discharge,
  • electrical measurements of partial discharge,
  • measurements of sound pressure level
  • testing mechanical integrity of windings using SFRA,
  • testing moisture content of solid insulation using FDS,
  • measurement of dielectric loss factor tg D and capacity of the windings,
  • testing on-load tap changer (measurement of the connector asynchronicity opening times, measurement of tap selector cage continuity),
  • infrared measurements.

The Oil Laboratory conducts tests of electrical insulating oils in the following areas:

  • water content using K. Fischer method,
  • breakdown voltage,
  • dielectric loss factor tg D at different temp.,
  • resistivity at different temp.,
  • flash point,
  • acid number,
  • density at 20°C,
  • kinematic viscosity,
  • content of impurities,
  • chromatographic analysis of gases dissolved in oil (DGA).