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| Content Provider | IET Digital Library |
|---|---|
| Author | Umamaheswari, Mallapu Gopinath Uma, Govindarajan Viswanathan, Sangeetha |
| Abstract | In this study, the analysis and design of a three-phase AC–DC converter followed by DC–DC Cuk converter modules to achieve unity power factor is presented. Two methods of reference current generation techniques are employed. In the first scheme, reference current is generated using instantaneous symmetrical component theory under balanced supply conditions. In the second scheme, extended synchronous detection methods such as equal current criterion, equal power criterion and equal impedance criterion are used for reference current generation under unbalanced supply conditions. The control strategy uses three hysteresis current controllers for source current shaping and an outer voltage loop with proportional-integral controller for load voltage regulation. To validate the proposed method, a prototype controlled by dSPACE signal processor is set up. Simulation and experimental results indicate that the proposed system offers regulated output voltage for wide load variations and provides power factor close to unity. |
| Starting Page | 1892 |
| Ending Page | 1908 |
| Page Count | 17 |
| ISSN | 17554535 |
| Volume Number | 6 |
| e-ISSN | 17554543 |
| Issue Number | Issue 9, Nov (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-pel/6/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2012.0243 |
| Journal | IET Power Electronics |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC-DC Power Converter Balanced Supply Condition Control of Electric Power System Control Strategy Current Control DC-DC Power Converter DC–DC Cuk Converter Modules DSPACE Signal Processor Electric Current Control Equal Current Criterion Equal Power Criterion Extended Synchronous Detection Method Impedance Criterion Load Regulation Load Voltage Regulation Modular Cuk Rectifier Outer Voltage Loop PI Control Power Converter Power Factor Correction Power Supplies to Apparatus Power System Control Proportional-integral Controller Reference Current Generation Reference Current Generation Technique Regulated Output Voltage Source Current Shaping Symmetrical Component Theory Three Hysteresis Current Controller Three-phase AC–DC Converter Three-phase Power Factor Correction Unbalanced Supply Condition Unity Power Factor Voltage Control Wide Load Variations |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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