Pulse width modulated voltage regulator-converter/power converte

Details Pulse width modulated voltage regulator-converter/power converte Pulse width modulated voltage regulator-converter/power converte

1975-10-20

1977-07-12

Pellinen, A. D.

Electric power conversion systems

Current conversion

Including an a.c.-d.c.-a.c. converter

323 17, 323DIG1, 363 89, H02M 3335

Patent

active

040357104

ABSTRACT:
Instability effects over a wide range of static load current conditions in a conventional pulse width modulated (PWM) voltage regulator-converter/power converter circuit configuration having cascaded LC--LC filter networks are eliminated by replacing an inductor, in the averaging filter section of the voltage regulator-converter with the primary winding of a transinductor and by placing the secondary winding thereof in series with an inductor in the output filter section of the power converter. The aforementioned transinductor, in combination with other elements of the system, is designed and configurated such that the closed-loop stability characteristics approach that of a two pole system while maintaining the superior filtering characteristics of a four pole system.

REFERENCES:
patent: 1593355 (1926-07-01), Prince
patent: 3443194 (1969-05-01), Cielo
patent: 3443195 (1969-05-01), Hoffman et al.

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