This paper presents a novel digital control strategy for the islanding mode operation of a power electronics-based energy management system (EMS). Thanks to the use of a high-performance repetitive controller combined with active damping, the EMS is capable of supplying a high-quality sinusoidal voltage to critical loads when the ac grid is not available. The proposed control scheme is analyzed and implemented in a field-programmable gate array-based control platform; it achieves a very low output voltage total harmonic distortion and holds a large stability margin for a wide range of load conditions. Analysis and simulations demonstrate the superiority of the proposed controller versus open-loop control. Laboratory experiments with linear and nonlinear loads validate the model used for the simulations that demonstrate the excellent performance of the new control strategy. © 1972-2012 IEEE.

Single-Phase Energy Management System Operating in Islanding Mode with Repetitive Control and Active Damping

Zanchetta P.
2018

Abstract

This paper presents a novel digital control strategy for the islanding mode operation of a power electronics-based energy management system (EMS). Thanks to the use of a high-performance repetitive controller combined with active damping, the EMS is capable of supplying a high-quality sinusoidal voltage to critical loads when the ac grid is not available. The proposed control scheme is analyzed and implemented in a field-programmable gate array-based control platform; it achieves a very low output voltage total harmonic distortion and holds a large stability margin for a wide range of load conditions. Analysis and simulations demonstrate the superiority of the proposed controller versus open-loop control. Laboratory experiments with linear and nonlinear loads validate the model used for the simulations that demonstrate the excellent performance of the new control strategy. © 1972-2012 IEEE.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11571/1349199
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