A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper

Weimin Wu; Zhe Lin; Yunjie Sun; Xiongfei Wang; Min Huang; Huai Wang; Frede Blaabjerg; Henry Shu-Hung Chung

doi:10.1109/ECCE.2013.6646737

A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper

Weimin Wu, Zhe Lin, Yunjie Sun, Xiongfei Wang, Min Huang, Huai Wang, Frede Blaabjerg, Henry Shu-Hung Chung

Centre for Smart Energy Conversion and Utilization Research

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

8 Citations (Scopus)

Abstract

Grid-tied inverters have been widely used to inject the renewable energies into the distributed power generation systems. However, a large variation of the grid impedance challenges the stability of the high-order power filter based grid-tied inverter. Many passive and active damping methods have been proposed to overcome this issue. Recently, a composite passive damping method for a high-order power filter based grid-tied inverter with an RC parallel damper and an RL series damper was presented to eliminate this problem, but at the cost of more material and power losses. In this paper, a hybrid damping method with a digital filter and an RC parallel damper is proposed. The design of the digital filter is developed using a normalized method. The validity is verified through the simulations and the experiments on a 500 W, 110 V/50 Hz prototype, while the grid inductance varies from 0.15 mH to 5 mH. © 2013 IEEE.

Original language	English
Title of host publication	2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013
Pages	456-463
DOIs	https://doi.org/10.1109/ECCE.2013.6646737
Publication status	Published - Sept 2013
Event	5th Annual IEEE Energy Conversion Congress and Exhibition (ECCE 2013) - Colorado Convention Center, Denver, United States Duration: 15 Sept 2013 → 19 Sept 2013

Conference

Conference	5th Annual IEEE Energy Conversion Congress and Exhibition (ECCE 2013)
Country/Territory	United States
City	Denver
Period	15/09/13 → 19/09/13

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@inproceedings{59f1d2c48c18435c99ec0d7b23c437ad,

title = "A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper",

abstract = "Grid-tied inverters have been widely used to inject the renewable energies into the distributed power generation systems. However, a large variation of the grid impedance challenges the stability of the high-order power filter based grid-tied inverter. Many passive and active damping methods have been proposed to overcome this issue. Recently, a composite passive damping method for a high-order power filter based grid-tied inverter with an RC parallel damper and an RL series damper was presented to eliminate this problem, but at the cost of more material and power losses. In this paper, a hybrid damping method with a digital filter and an RC parallel damper is proposed. The design of the digital filter is developed using a normalized method. The validity is verified through the simulations and the experiments on a 500 W, 110 V/50 Hz prototype, while the grid inductance varies from 0.15 mH to 5 mH. {\textcopyright} 2013 IEEE.",

author = "Weimin Wu and Zhe Lin and Yunjie Sun and Xiongfei Wang and Min Huang and Huai Wang and Frede Blaabjerg and Chung, {Henry Shu-Hung}",

year = "2013",

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doi = "10.1109/ECCE.2013.6646737",

language = "English",

isbn = "9781479903351",

pages = "456--463",

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Wu, W, Lin, Z, Sun, Y, Wang, X, Huang, M, Wang, H, Blaabjerg, F & Chung, HS-H 2013, A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper. in 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013., 6646737, pp. 456-463, 5th Annual IEEE Energy Conversion Congress and Exhibition (ECCE 2013), Denver, Colorado, United States, 15/09/13. https://doi.org/10.1109/ECCE.2013.6646737

A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper. / Wu, Weimin; Lin, Zhe; Sun, Yunjie et al.
2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013. 2013. p. 456-463 6646737.

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

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AU - Wu, Weimin

AU - Lin, Zhe

AU - Sun, Yunjie

AU - Wang, Xiongfei

AU - Huang, Min

AU - Wang, Huai

AU - Blaabjerg, Frede

AU - Chung, Henry Shu-Hung

PY - 2013/9

Y1 - 2013/9

N2 - Grid-tied inverters have been widely used to inject the renewable energies into the distributed power generation systems. However, a large variation of the grid impedance challenges the stability of the high-order power filter based grid-tied inverter. Many passive and active damping methods have been proposed to overcome this issue. Recently, a composite passive damping method for a high-order power filter based grid-tied inverter with an RC parallel damper and an RL series damper was presented to eliminate this problem, but at the cost of more material and power losses. In this paper, a hybrid damping method with a digital filter and an RC parallel damper is proposed. The design of the digital filter is developed using a normalized method. The validity is verified through the simulations and the experiments on a 500 W, 110 V/50 Hz prototype, while the grid inductance varies from 0.15 mH to 5 mH. © 2013 IEEE.

AB - Grid-tied inverters have been widely used to inject the renewable energies into the distributed power generation systems. However, a large variation of the grid impedance challenges the stability of the high-order power filter based grid-tied inverter. Many passive and active damping methods have been proposed to overcome this issue. Recently, a composite passive damping method for a high-order power filter based grid-tied inverter with an RC parallel damper and an RL series damper was presented to eliminate this problem, but at the cost of more material and power losses. In this paper, a hybrid damping method with a digital filter and an RC parallel damper is proposed. The design of the digital filter is developed using a normalized method. The validity is verified through the simulations and the experiments on a 500 W, 110 V/50 Hz prototype, while the grid inductance varies from 0.15 mH to 5 mH. © 2013 IEEE.

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BT - 2013 IEEE Energy Conversion Congress and Exposition, ECCE 2013

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ER -

A hybrid damping method for LLCL-filter based grid-tied inverter with a digital filter and an RC parallel passive damper

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