DC microgrids represent a promising solution for the integration of renewable energy sources. However, such converter-interfaced resources are expected to introduce higher volatility and increase ripple. The current framework for DC measurements is intended for stationary conditions and does not provide an univocal definition of the measurand (DC voltage, current, or power). In this paper, we analyze the issues related to the definition of DC ripple and we compare two DC estimators inspired by the most recent standards for DC metering applications. The comparison, carried out using both simulated and experimental datasets, confirms the need for a more complete and structured approach towards DC measurements under non-ideal conditions.
DC Measurements in Dynamic Conditions: Normative and Methodological Considerations
Laurano C.;Toscani S.;Zanoni M.;
2025-01-01
Abstract
DC microgrids represent a promising solution for the integration of renewable energy sources. However, such converter-interfaced resources are expected to introduce higher volatility and increase ripple. The current framework for DC measurements is intended for stationary conditions and does not provide an univocal definition of the measurand (DC voltage, current, or power). In this paper, we analyze the issues related to the definition of DC ripple and we compare two DC estimators inspired by the most recent standards for DC metering applications. The comparison, carried out using both simulated and experimental datasets, confirms the need for a more complete and structured approach towards DC measurements under non-ideal conditions.| File | Dimensione | Formato | |
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DC_Measurements_in_Dynamic_Conditions_Normative_and_Methodological_Considerations.pdf
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