Accurate operational carbon emission of transformers using condition monitoring

This paper explores a more accurate methodology for carbon emission reporting through the integration of temperature-based monitoring in transformers.

by B. Das


Operational carbon emissions from electrical power systems serve as essential metrics for sustainability assessment and regulatory compliance. Emission reporting is traditionally based on energy use and nameplate loss values, assuming a constant reference winding temperature of 75°C. However, these methods often result in under- or over-estimations due to their inability to capture real-time operating conditions. This paper explores a more accurate methodology for carbon emission reporting through the integration of temperature-based monitoring in transformers. By accounting for dynamic temperature variations and their effect on resistive losses and auxiliary energy consumption, end users can significantly improve the accuracy of reported emissions and better align with international reporting standards. The broader role of condition monitoring will also be discussed.

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