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A Five Level Three Phase Single Stage PFC AC – DC Converter
| Content Provider | Semantic Scholar |
|---|---|
| Author | Surekha, N. |
| Copyright Year | 2017 |
| Abstract | The widespread use of non-linear loads, such as variable speed drives (VSDs), power factor improvement has become more difficult. The presence of harmonic currents cause power capacitors to absorb them, as capacitor impedance is inversely proportional to frequency. The effects are overheating and increased dielectric stress of power capacitors, which result in their premature failure. These traditional approaches can also interact with harmonics, leading to harmonic amplifications at resonant frequency, which can damage the capacitors or components of the system. A new integrated three-level ac–dc converter is presented. The proposed converter integrates the operation of the boost power factor correction and the three-level dc–dc converter. The converter is made to operate with two independent controllers—an input controller that performs power factor correction and regulates the dc bus and an output controller that regulates the output voltage. The input controller prevents the dc-bus voltage from becoming excessive while still allowing a singlestage converter topology to be used. The paper explains the operation of the new converter in detail and discusses its features and a procedure for its proper design. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.internationaljournalssrg.org/IJEEE/2017/Special-Issue/ICEEMST/IJEEE-ICEEMST-P104.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
