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Test rooms

GBE has 3 test rooms for the testing of resin, oil and power transformers in addition to an automatic diagnostic verification of MV coils device. The testing rooms can operate simultaneously and GBE highly qualified staff can rely on certified state of the art equipment. The test facilities cover an area of 500 square meters, in a controlled environment and are provided with all the safety equipment for high-voltage testing. Data acquisition is fully computerised and can issue test reports that can be printed in nine different languages.

GBE can perform the following tests:

ACCEPTANCE TESTS FOR DRY TYPE TRANSFORMERS:

  • Measurement of winding resistance
  • Measurement of the voltage ratio and check of phase displacement
  • Measurement of the short circuit impedance and load loss
  • Measurements of no load loss and current
  • Applied Voltage Test
  • Induced Voltage Withstand Test
  • Measurement of partial discharges

ACCEPTANCE TESTS FOR OIL TRANSFORMERS:

  • Measurement of winding resistance
  • Measurement of the short circuit impedance and load loss
  • Measurements of no load loss and current

TYPE TESTS:

  • Temperature Rise test (Heat Run)
  • Lightning Impulse Test
  • Dielectric type tests

SPECIAL TESTS:

  • Dielectric special tests (IEC 60076-3)
  • Winding hot-spot temperature-rise measurements
  • Determination of capacitances windings-to-earth, and between windings.
  • Measurement of dissipation factor (tan δ) of the insulation system capacitances.
  • Measurement of zero-sequence impedances of the three-phase transformers.
  • Measurement of d.c. insulation resistance each winding to earth and between windings.
  • Measurement of the frequency response (FRA)
  • Monitoring of external coating (ISO 2178 and ISO 2409 or as specified).
  • Detection of the harmonic content in the load current
  • Thermographic measurement of the hot spots
  • Determination of the windings inductance

All other type and special tests can be carried out in independent laboratories with which GBE have been collaborating for many years.

News

Hydromatters 4.0

  • 17 October 2017

Participation of GBE at the hydroelectric conference in Italy The prestigious annual conference entitled Hydromatters 4.0. recently took place in Padua. GBE SpA with the speaker Eng. Fabio Cavestro illustrated the constructive design used for transformers and reactors subject to occasional, continuous and severe mechanical vibration. During the seminar two types of installation were highlighted […]

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Bunds for oil-filled Transformers

  • 10 July 2017

A flexible, easy-to-use solution designed by GBE Bunds for oil-filled transformers are a new product developed by the GBE steelworks department. For those installations where this bund has not been included, GBE has developed an extremely flexible solution, designed to protect the environment. The oil bund has been developed in pickled and subsequently galvanized metal […]

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The new GBE House Organ is now online!

  • 8 May 2017

  The third edition of the GBE House Organ includes important accomplishments and supplies from last year, future investments and our partners’ perspectives. For further details, download our House Organ from our website at the link: http://www.gbeuk.co.uk/download/.

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