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| Content Provider | IET Digital Library |
|---|---|
| Author | Nair, Harish Sudhakaran Narasamma, Lakshmi |
| Abstract | In power factor correction (PFC) converters, achieving both good steady-state input current waveform and fast output dynamic response is a challenge. This is due to the effect of the double-line frequency ripple present in the sensed output voltage signal which tends to distort the reference current applied to the current controller, thus leading to a distorted input current waveform. Low bandwidth (BW) voltage loop designs to reduce this input current distortion make the output dynamic response very sluggish. A digital control algorithm for the estimation of the average value of the sensed output voltage is proposed in this study to achieve low total harmonic distortion input current and fast dynamic response with a higher BW voltage loop. The proposed algorithm is computationally less intensive and requires no additional sensors or circuitry. The effectiveness of the proposed control algorithm is validated through simulation and experimental tests on a 300 W boost PFC converter prototype operating in continuous conduction mode. |
| Starting Page | 1102 |
| Ending Page | 1113 |
| Page Count | 12 |
| ISSN | 17554535 |
| Volume Number | 12 |
| e-ISSN | 17554543 |
| Issue Number | Issue 5, May (2019) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/12/5 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.5250 |
| Journal | IET Power Electronics |
| Publisher Date | 2019-01-11 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Boost PFC Converter Boost PFC Converter Prototype BW Voltage Loop Continuous Conduction Mode Current Control Current Controller Digital Control Digital Control Algorithm Distorted Input Current Waveform Double-line Frequency Ripple Effect Dynamic Response Electric Current Control Fast Output Dynamic Response Harmonic Distortion Input Current Distortion Low Bandwidth Voltage Loop Designs Low Total Harmonic Distortion Input Current Power 300.0 W Power Converter Power Electronics Power Factor Correction Power Factor Correction Converter Power Supply Reference Current Distortion Sensed Output Voltage Signal Simple Digital Algorithm Steady-state Input Current Waveform Supervisory Circuit Voltage Control |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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