go to the Power transformers product page asmaa asked on Aug 11th, 2017 in Power transformers

Is there any difference of stresses faced by transformers installed in photovoltaic power stations?

Is there any difference of stresses faced by conventional power transformer insulation and transformers installed in photovoltaic power stations?

Abhishek Rai, Marketing and Sales Manager

ABB's answer

If the network study including insulation coordination study has been performed and the required insulation levels for MV and HV windings have been defined correctly, there is no much difference of stresses faced by conventional network MV/HV power transformer insulation and the insulation of MV/HV power transformer to collect the solar power and connect to the grid.
However there is much more difference for LV/MV step-up inverter transformer which is exposed for inverter specific phenomena including harmonics, DC content, peak voltage, interference voltage, voltage transients.

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  • Abhishek Rai

    Abhishek Rai

    Marketing and Sales Manager

    Large and medium power transformers

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