Insulated Modular Auxiliary Power Source Concept with Multiple Outputs
| Autor: | Gustavo Lambert, Fabiana Seidel, Luan Vinícius Fiorio, Yales R. De Novaes |
|---|---|
| Jazyk: | English<br />Portuguese |
| Rok vydání: | 2019 |
| Předmět: | |
| Zdroj: | Eletrônica de Potência, Vol 24, Iss 2 (2019) |
| Druh dokumentu: | article |
| ISSN: | 1414-8862 1984-557X |
| DOI: | 10.18618/REP.2019.2.0043 |
| Popis: | This paper presents an insulated auxiliary power source with multiple outputs based on a two-stage structure, where the first-stage operates as a controlled current source and the second-stage as an active rectifier. The second-stage is replicated for each load, where the output voltage is independently controlled by a hysteresis band controller integrated to the auxiliary power source's circuit. Insulation between the multiple stages is achieved by a medium-frequency transformer for each output. The main aim of this auxiliary power supply is to feed modular multilevel converters in laboratory applications that run at the lower range of medium-voltage dc. Theoretical analysis of the auxiliary power supply is presented and verified experimentally for the converter's two main modes of operation. |
| Databáze: | Directory of Open Access Journals |
| Externí odkaz: |
|