This paper proposes a power control loop strategy for Voltage-Source Inverters (VSIs), based on the use of abc frame PI controllers. Its physical behaviour and mathematical model are presented in detail and the inverter output impedance is derived to analyze the obtained disturbance rejection performance. The results show that the proposed scheme is capable of effectively rejecting disturbances originating from the grid voltage, achieving current THD as low as 2.45% even with a voltage THD of 28.3%.
Selective output impedance based control for grid-connected inverters / Couto, H. P.; Brandao, D. I.; Silva, S. M.; Caldognetto, T.; Sanchez, S.; Tedeschi, E.. - (2019), pp. P.1-P.10. (Intervento presentato al convegno 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe tenutosi a Genova nel 2019) [10.23919/EPE.2019.8915069].
Selective output impedance based control for grid-connected inverters
Tedeschi E.
2019-01-01
Abstract
This paper proposes a power control loop strategy for Voltage-Source Inverters (VSIs), based on the use of abc frame PI controllers. Its physical behaviour and mathematical model are presented in detail and the inverter output impedance is derived to analyze the obtained disturbance rejection performance. The results show that the proposed scheme is capable of effectively rejecting disturbances originating from the grid voltage, achieving current THD as low as 2.45% even with a voltage THD of 28.3%.| File | Dimensione | Formato | |
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2019_Selective+output+impedance+based+control_EPE19.pdf
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