A New Cycle by Cycle Controller for a Three Level Resonant Single Stage Power Factor Correction Converter
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Bibliographic record
Abstract
This paper presents a discrete time cycle by cycle controller for a three level resonant single stage power factor correction converter. The controller is supposed to generate variable frequency pulse width modulated (VFPWM) gate signals to the switches. The merits of such control method is to tightly regulate the output voltage, shape the input ac current as well as regulating the dc bus voltage to a specified value throughout the operation range of the converter. The output voltage control loop determines the required switching frequency for the resonant converter to regulate the output voltage, whereas the pulse width is determined by the dc-bus voltage/ current control loop. The sampling period for the controller is determined by the switching frequency obtained from the output voltage control loop. This converter provides high efficiency, reduced voltage stresses, universal input voltage capability, input/output isolation, simplicity of controller implementation and most importantly increased power density. The proposed method is verified through a 2.3 kW, 48 V three level, single stage LCC converter with input voltage varying from 90-265 Vrms
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Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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