The diffusion of renewable energy sources has now gained a very high importance in contributing to the electrical power needs. Grid-connected photovoltaic or wind energy conversion systems are nowadays highly integrated in the electrical grid, and they provide a consistent share of power to the nearby loads. Although this is true for high-power three-phase systems, problems related to the increasing penetration of low power, distributed generation systems into the grid structure have not been completely investigated yet. This paper proposes a control system based on a Hilbert-filter single-phase PLL with very fast response that allows the detection of fast frequency variations or phase jump in the grid voltage. The novelty resides in the use of a very short FIR transfer function to approximate the Hilbert filter in conjunction with a system that compensates the magnitude error. Simulations and experiments show that this system can be employed to increase the phase-jump ride-through capability of single phase grid-connected inverters.

High-dynamic single-phase hilbert-based PLL for improved phase-jump ride-through in grid-connected inverters / Giampaolo, Buticchi; Tarisciotti, Luca; Zanchetta, Pericle; Barater, Davide. - (2014), pp. 4932-4939. (Intervento presentato al convegno IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Pittsburgh, PA, USA nel SEP 14-18, 2014) [10.1109/ECCE.2014.6954077].

High-dynamic single-phase hilbert-based PLL for improved phase-jump ride-through in grid-connected inverters

Barater, Davide
2014

Abstract

The diffusion of renewable energy sources has now gained a very high importance in contributing to the electrical power needs. Grid-connected photovoltaic or wind energy conversion systems are nowadays highly integrated in the electrical grid, and they provide a consistent share of power to the nearby loads. Although this is true for high-power three-phase systems, problems related to the increasing penetration of low power, distributed generation systems into the grid structure have not been completely investigated yet. This paper proposes a control system based on a Hilbert-filter single-phase PLL with very fast response that allows the detection of fast frequency variations or phase jump in the grid voltage. The novelty resides in the use of a very short FIR transfer function to approximate the Hilbert filter in conjunction with a system that compensates the magnitude error. Simulations and experiments show that this system can be employed to increase the phase-jump ride-through capability of single phase grid-connected inverters.
2014
IEEE Energy Conversion Congress and Exposition (ECCE)
Pittsburgh, PA, USA
SEP 14-18, 2014
4932
4939
Giampaolo, Buticchi; Tarisciotti, Luca; Zanchetta, Pericle; Barater, Davide
High-dynamic single-phase hilbert-based PLL for improved phase-jump ride-through in grid-connected inverters / Giampaolo, Buticchi; Tarisciotti, Luca; Zanchetta, Pericle; Barater, Davide. - (2014), pp. 4932-4939. (Intervento presentato al convegno IEEE Energy Conversion Congress and Exposition (ECCE) tenutosi a Pittsburgh, PA, USA nel SEP 14-18, 2014) [10.1109/ECCE.2014.6954077].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1170943
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