Current control for a grid-connected inverter operating with highly distorted grid voltage

Julio Viola; José Restrepo; José Manuel Aller; Flavio Quizhpi

doi:10.1109/TDC-LA.2016.7805608

Current control for a grid-connected inverter operating with highly distorted grid voltage

Julio Viola, José Restrepo, José Manuel Aller, Flavio Quizhpi

Energy Research Group (GIE)

Research output: Contribution to conference › Paper

2 Scopus citations

Abstract

© 2016 IEEE. Grid-connected inverters are an essential component of modern photovoltaic systems. They allow the users to obtain a faster recovery of the investment given their capability of injecting the excess of generated energy to the grid. Proper operation of the inverters requires a current loop with the capability to deal with eventually distorted grid voltages and with LCL coupling filters. This makes the control much more sensitive to errors or delays in the values of the control variable. In this paper a real-time digitally implemented technique is proposed to obtain a reconstructed version of grid voltage which can be used as a feedforward signal in the current loop of a grid-connected inverter.

Translated title of the contribution	Control de corriente para un inversor conectado a la red que funciona con voltaje de red altamente distorsionado
Original language	English
DOIs	https://doi.org/10.1109/TDC-LA.2016.7805608
State	Published - 4 Jan 2017
Event	2016 IEEE PES Transmission and Distribution Conference and Exposition-Latin America, PES T and D-LA 2016 - Duration: 4 Jan 2017 → …

Conference

Conference	2016 IEEE PES Transmission and Distribution Conference and Exposition-Latin America, PES T and D-LA 2016
Period	4/01/17 → …

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TDC-LA.2016.7805608

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AU - Viola, Julio

AU - Restrepo, José

AU - Aller, José Manuel

AU - Quizhpi, Flavio

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N2 - © 2016 IEEE. Grid-connected inverters are an essential component of modern photovoltaic systems. They allow the users to obtain a faster recovery of the investment given their capability of injecting the excess of generated energy to the grid. Proper operation of the inverters requires a current loop with the capability to deal with eventually distorted grid voltages and with LCL coupling filters. This makes the control much more sensitive to errors or delays in the values of the control variable. In this paper a real-time digitally implemented technique is proposed to obtain a reconstructed version of grid voltage which can be used as a feedforward signal in the current loop of a grid-connected inverter.

AB - © 2016 IEEE. Grid-connected inverters are an essential component of modern photovoltaic systems. They allow the users to obtain a faster recovery of the investment given their capability of injecting the excess of generated energy to the grid. Proper operation of the inverters requires a current loop with the capability to deal with eventually distorted grid voltages and with LCL coupling filters. This makes the control much more sensitive to errors or delays in the values of the control variable. In this paper a real-time digitally implemented technique is proposed to obtain a reconstructed version of grid voltage which can be used as a feedforward signal in the current loop of a grid-connected inverter.

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ER -

Current control for a grid-connected inverter operating with highly distorted grid voltage

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