Regulación Continua del Voltaje de Salida en Transformadores mediante Chopper Reductor (Continuous Chopper-Based Voltage Regulation for Power Transformers)

Octavio M Ruiz (oct_ruiz@hotmail.com), Antonio Gómez (age@us.es)


Universidad de Sevilla
This paper appears in: Revista IEEE América Latina

Publication Date: June 2007
Volume: 5,   Issue: 3 
ISSN: 1548-0992


Abstract:
This paper presents a procedure to regulate the voltage of power transformers in a continuous manner. The proposed system combines a minimum number of solid-state switches with conventional magnetically coupled windings in such a way that currents and voltages applied to semiconductor devices constitute only a small fraction of the rated values, which leads to reduced cost, losses and harmonic distortion. An added advantage lies in its modularity, allowing the main transformer to remain in service at nominal constant voltage in case of failure of the electronic module.

Index Terms:
AC Chopper, PWM, Voltage Regulation, Power Transformers   


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