Modeling a Single-phase, Voltage-controlled Rectifier Using Laplace Transforms
IEEE Transactions on Power Systems
The development of a 20 kHz, AC power system by NASA for large space projects has spurred a need to develop models for the equipment which will be used on these single phase systems. To date, models for the AC source (i.e., inverters) have been developed. It is the intent of this paper to develop a method to model the single phase voltage controlled rectifiers which will be attached to the AC power grid as an interface for connected loads. A modified version of EPRI's HARMFLO program is used as the shell for these models. The results obtained from the model developed in this paper are quite adequate for the analysis of problems such as voltage resonance. The unique technique presented in this paper uses the Laplace transforms to determine the harmonic content of the load current of the rectifier rather than a curve fitting technique. Laplace transforms yield the coefficients of the differential equations which model the line current to the rectifier directly.
Kraft, L. A. and Kankam, M. D., "Modeling a Single-phase, Voltage-controlled Rectifier Using Laplace Transforms" (1993). Engineering Faculty Publications & Patents. 38.
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