Deterministic and Stochastic Study of the Single-Phase Non-Linear Load Behavior

J.J. Mesas, L. Sainz, and A. Ferrer (Spain)


Non-linear loads, power system harmonics, statistical analysis


The paper examines the deterministic and stochastic behavior of single-phase uncontrolled rectifiers and discharge lamps from extensive simulations performed by MATLAB customized programs. The study is based on non-linear load invariants and analyzes the harmonic current magnitudes and phase angles of these loads. Invariants are the minimum number of parameters characterizing non-linear loads univocally. Two practical laboratory examples are presented to illustrate the numerical study.

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