Tests on instrument transformers

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    Type, individual and special tests on low, medium and high voltage instrument transformers (current, voltage, combined) according to IEC 61869 Standards.

    Ensayos de transformadores de medida

    We have full capacity to carry out the following accredited tests at our electrical laboratories: 

    TESTS ACCORDING TO IEC STANDARDS

    • Temperature rise test
    • Impulse voltage withstand test on primary terminals
    • Wet test for outdoor type transformers
    • Electromagnetic compatibility tests
    • Precision Tests
    • Verification of the degree of protection of enclosures
    • Short-time current test
    • Pressure test on enclosures

    Individual Tests:

    • Power frequency withstand voltage tests on primary and secondary terminals and between sections
    • Precision Tests
    • Inter-turn Overvoltage Tests
    • Marking verification

    Special Tests:

    • Chopped Impulse Test on Primary Terminals
    • Capacity and dielectric dissipation factor measurement
    • Mechanical Tests
    • Transmitted Overvoltages Test

    CAPACITIES 

    • Short-circuit Tests: 150 kA, 1 s
    • Power frequency withstand voltage tests (dry and wet); 550 kV
    • Lightning Impulse Tests: 1800 kV
    • Partial Discharge Tests: 550 kV
    • Temperature Rise Tests: 10 kA

    Aimed at:

    • Electrical Companies
    • Engineering Firms
    • Manufacturers of Instrument Transformers
    • Installers
    • Electrical Maintenance Firms
    • Industrial Plants
    • Promoters of Renewable Energy Farms

    Accreditations and Recognition

    Acreditación ENAC ILAC para el sector materiales según ISO 17025 con nº expediente 4/LE148

    ENAC ILAC accreditation for electrical testing in compliance with ISO 17025, under file No. 4/LE148

    Organismo Notificado Nº 1292 para el Reglamento de Productos de la Construcción

    Official Body certified by the Electromagnetic Compatibility EMC 2014/30/UE Directive

    Organismo Notificado Nº 1292 para el Reglamento de Productos de la Construcción

    Official Body certified by the Low Voltage Directive 2014/35/UE

    Organismo Notificado Nº 1292 para el Reglamento de Productos de la Construcción

    Official Body certified by The Measuring Instruments Directive 2014/32/EU

    Lovag

    ES-02 registered laboratory by the LOVAG (Low Voltage Agreement Group) European Association

    IEC

    IECEE CB testing laboratory

    STL

    STL applicant (as AELP member)

    ADWEA

    Certified laboratory by the main Middle Eastern electricity companies: ADWEA

    DEWA

    Certified laboratory by the main Middle Eastern electricity companies: DEWA

    DCRP

    Certified laboratory by the main Middle Eastern electricity companies: DCRP

    SEC

    Certified laboratory by the main Middle Eastern electricity companies: SEC

    SEWA

    Certified laboratory by the main Middle Eastern electricity companies: SEWA

    IEC 61850

    IEC Directive 61850 certification in compliance with UCA Edition 2 server test procedure

    LAPEM

    Laboratory recognised by LAPEM (Mexico), for the acceptance of reports in compliance with ILAC-ENAC 4 / LE148 certification

    Gobierno Vasco

    Laboratory designed by the Basque Government for precision verification and approval type of instrument transformers

    UCA

    Group of UCA Laboratory international users authorised for protocol IEC 61850

    IMQ

    IMQ certified laboratory

    INTERTEK

    INTERTEK certified laboratory

    UL

    UL certified laboratory

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