go to the Power transformers product page Anonymous asked on Jan 1st, 2014 in Power transformers

Can lower transformer impedance impact costs? Is there a rule governing this relationship?

Abhishek Rai, Marketing and Sales Manager

ABB's answer

Optimal impedance for a specific transformer is based on voltage ratio and the value of losses. A lower impedance results in increased through-fault currents. These currents create increased forces in the transformer, which require additional material and mechanical supports to withstand. Thus the cost of the transformer will be impacted.

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  • Abhishek Rai

    Abhishek Rai

    Marketing and Sales Manager

    Large and medium power transformers

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