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New pulse pattern operated soft switching inverter with auxiliary two-level PWM resonant snubber for next generation UPS
Description
A three-phase space voltage vector modulated sinewave soft-switching inverter incorporating a single auxiliary resonant snubber into its DC voltage bus line is presented in this paper. This two-level PWM resonant DC link circuit with voltage-clamped PWM and zero voltage holding PWM schemes in DC bus line is described for a soft-switching chopper. The novel soft switching inverter using two-level PWM resonant DC link which includes an optimum type digital voltage servo controller in the d-q coordinate frame is discussed for UPS.
Journal
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- IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)
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IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029) 1 348-353, 2003-01-20
IEEE