Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids

de Bosio Federico; Luiz Antonio  de Sousa Ribeiro; Francisco Daniel Freijedo Fernandez; Josep M. Guerrero; Michele Pastorelli

doi:10.1109/ECCE.2016.7855084

Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids

de Bosio Federico, Luiz Antonio de Sousa Ribeiro, Francisco Daniel Freijedo Fernandez, Josep M. Guerrero, Michele Pastorelli

AAU Energy

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

4 Citations (Scopus)

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Abstract

The decoupling of the capacitor voltage and inductor current has been shown to improve significantly the dynamics performance of voltage source inverters in isolated microgrids. However, still the computation and PWM delays limit the achievable bandwidth. A technique based on a lead compensator structure is proposed to overcome this limitation. It is shown how a widen bandwidth for the current loop with still well damped characteristics allows to enlarge the outer voltage loop bandwidth. These features are demanding requirements in high performance islanded applications. Discrete-time domain implementation issues of an anti-wind up scheme are discussed as well. In fact, algebraic loops can arise if the wrong discretization method is used making unfeasible the real-time implementation of digital controllers. Experimental tests in accordance with the standards for UPS systems verify the theoretical analysis.

Original language	English
Title of host publication	Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016
Number of pages	7
Publisher	IEEE Press
Publication date	Sept 2016
ISBN (Electronic)	978-1-5090-0737-0
DOIs	https://doi.org/10.1109/ECCE.2016.7855084
Publication status	Published - Sept 2016
Event	8th Annual IEEE Energy Conversion Congress & Exposition: ECCE 2016 - Milwaukee, WI, United States Duration: 18 Sept 2016 → 22 Sept 2016 http://www.ieee-ecce.org/

Conference

Conference	8th Annual IEEE Energy Conversion Congress & Exposition
Country/Territory	United States
City	Milwaukee, WI
Period	18/09/2016 → 22/09/2016
Sponsor	IEEE, IEEE Industry Applications Society (IAS), IEEE Power Electronics and Industry Applications Societies (PELS)
Internet address	http://www.ieee-ecce.org/

Keywords

Control system analysis
Current control
Microgrids
Power quality
Voltage control

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10.1109/ECCE.2016.7855084

10_2016_ECCE_0766Submitted manuscript, 1.39 MB

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Federico, D. B., de Sousa Ribeiro, L. A., Freijedo Fernandez, F. D., Guerrero, J. M., & Pastorelli, M. (2016). Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids. In Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016 IEEE Press. https://doi.org/10.1109/ECCE.2016.7855084

@inproceedings{c228e59367f145d0a4c292ed71719bd5,

title = "Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids",

abstract = "The decoupling of the capacitor voltage and inductor current has been shown to improve significantly the dynamics performance of voltage source inverters in isolated microgrids. However, still the computation and PWM delays limit the achievable bandwidth. A technique based on a lead compensator structure is proposed to overcome this limitation. It is shown how a widen bandwidth for the current loop with still well damped characteristics allows to enlarge the outer voltage loop bandwidth. These features are demanding requirements in high performance islanded applications. Discrete-time domain implementation issues of an anti-wind up scheme are discussed as well. In fact, algebraic loops can arise if the wrong discretization method is used making unfeasible the real-time implementation of digital controllers. Experimental tests in accordance with the standards for UPS systems verify the theoretical analysis.",

keywords = "Control system analysis, Current control, Microgrids, Power quality, Voltage control ",

author = "Federico, {de Bosio} and {de Sousa Ribeiro}, {Luiz Antonio} and {Freijedo Fernandez}, {Francisco Daniel} and Guerrero, {Josep M.} and Michele Pastorelli",

year = "2016",

month = sep,

doi = "10.1109/ECCE.2016.7855084",

language = "English",

booktitle = "Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016",

publisher = "IEEE Press",

note = " 8th Annual IEEE Energy Conversion Congress & Exposition : ECCE 2016, ECCE 2016 ; Conference date: 18-09-2016 Through 22-09-2016",

url = "http://www.ieee-ecce.org/",

}

Federico, DB, de Sousa Ribeiro, LA, Freijedo Fernandez, FD, Guerrero, JM & Pastorelli, M 2016, Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids. in Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016. IEEE Press, 8th Annual IEEE Energy Conversion Congress & Exposition, Milwaukee, WI, United States, 18/09/2016. https://doi.org/10.1109/ECCE.2016.7855084

Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids. / Federico, de Bosio; de Sousa Ribeiro, Luiz Antonio ; Freijedo Fernandez, Francisco Daniel et al.
Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016. IEEE Press, 2016.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

TY - GEN

T1 - Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids

AU - Federico, de Bosio

AU - de Sousa Ribeiro, Luiz Antonio

AU - Freijedo Fernandez, Francisco Daniel

AU - Guerrero, Josep M.

AU - Pastorelli, Michele

PY - 2016/9

Y1 - 2016/9

N2 - The decoupling of the capacitor voltage and inductor current has been shown to improve significantly the dynamics performance of voltage source inverters in isolated microgrids. However, still the computation and PWM delays limit the achievable bandwidth. A technique based on a lead compensator structure is proposed to overcome this limitation. It is shown how a widen bandwidth for the current loop with still well damped characteristics allows to enlarge the outer voltage loop bandwidth. These features are demanding requirements in high performance islanded applications. Discrete-time domain implementation issues of an anti-wind up scheme are discussed as well. In fact, algebraic loops can arise if the wrong discretization method is used making unfeasible the real-time implementation of digital controllers. Experimental tests in accordance with the standards for UPS systems verify the theoretical analysis.

AB - The decoupling of the capacitor voltage and inductor current has been shown to improve significantly the dynamics performance of voltage source inverters in isolated microgrids. However, still the computation and PWM delays limit the achievable bandwidth. A technique based on a lead compensator structure is proposed to overcome this limitation. It is shown how a widen bandwidth for the current loop with still well damped characteristics allows to enlarge the outer voltage loop bandwidth. These features are demanding requirements in high performance islanded applications. Discrete-time domain implementation issues of an anti-wind up scheme are discussed as well. In fact, algebraic loops can arise if the wrong discretization method is used making unfeasible the real-time implementation of digital controllers. Experimental tests in accordance with the standards for UPS systems verify the theoretical analysis.

KW - Control system analysis

KW - Current control

KW - Microgrids

KW - Power quality

KW - Voltage control

U2 - 10.1109/ECCE.2016.7855084

DO - 10.1109/ECCE.2016.7855084

M3 - Article in proceeding

BT - Proceedings of 8th IEEE Energy Conversion Congress and Exposition (ECCE), 2016

PB - IEEE Press

T2 - 8th Annual IEEE Energy Conversion Congress & Exposition

Y2 - 18 September 2016 through 22 September 2016

ER -

Enhancement of Current and Voltage Controllers Performance by Means of Lead Compensation and Anti-Windup for Islanded Microgrids

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