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A novel load current control method for a leading power factor voltage source PWM rectifier

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3 Author(s)
B. D. Veas ; Depto. Ingenieria Electr., Escuela Ingenieria UC, Santiago, Chile ; R. J. Dixon ; B. T. Ooi

A novel pulse-width-modulated (PWM) voltage source rectifier, controlled by the load DC current instead of the DC voltage, has been developed. Its main characteristics are: (a) there are neither input current sensors nor DC voltage sensors; (b) it works with an unchangeable and predefined PWM pattern; (c) it has very strong stability; (d) its stability does not depend on the size of the DC capacitor; (e) it can work at leading power factor for all load conditions; and (f) it can also work with zero regulation for all load conditions. Digital simulations, analyses, and experiments confirm all these characteristics of the control method

Published in:

Applied Power Electronics Conference and Exposition, 1992. APEC '92. Conference Proceedings 1992., Seventh Annual

Date of Conference:

23-27 Feb 1992