H - Electricity – 02 – M
Patent
H - Electricity
02
M
321/29
H02M 1/08 (2006.01) H02M 3/335 (2006.01) H02M 3/337 (2006.01)
Patent
CA 1084112
A PULSE WIDTH MODULATED VOLTAGE REGULATOR- CONVERTER/POWER CONVERTER HAVING PUSH-PUSH REGULATOR-CONVERTER MEANS ABSTRACT OF THE DISCLOSURE: Disclosed herein is an improved pulse width modulated (PWM) voltage regulator-converter system which can function, alone, as a switched voltage regulator system or in combination with a switched power converter, synchronized therewith, to form an improved voltage regulator-converter/ power converter system. In the pulse width modulated voltage regulator-converter embodiment of the invention, secondary windings of a "current mode" regulator-converter interstage transformer are coupled to regulator-converter power transistors in a push-push circuit configuration. The primary windings of the regulator-converter interstage transformer are driven by a pulse width modulated logic control means connected thereto in a push-pull circuit con- figuration. Signals generated by a system clock means and an error signal, derived from the output of an averaging filter, drive the pulse width modulated control means such that logic signals generated at its output, at the primary windings of the regulator-converter interstage transformer, connected thereto, balances the magnetic operating point thereof and drive the regulator-converter power transistors, thereby increasing the maximum regulated output voltage of the voltage regulator-converter system after conditioning in an averaging filter.
263824
Herko Joseph M.
Joyce James M.
International Business Machines Corporation
Kerr Alexander
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