Probabilistic bivariate modeling of harmonic current

Modeling modern nonlinear loads with varying current poses a significant challenge. While the traditional numeric models provide an adequate representation of stable loads, if a device or a group of devices operate at different modes with varying harmonic currents, a statistical approach is necessary to represent the extent and the shape of the variation. This paper provides an overview of probabilistic modeling methods for harmonic currents and presents a novel method for empirical nonparametric harmonic current modeling.