Optimal control method of frequency in diesel generator based islanded microgrid

In order to solve the problems such as significant frequency fluctuation and slow dynamic response under load disturbance in islanded microgrid which has a diesel generator (DG) as the primary source, an auxiliary frequency regulation method is proposed to improve the dynamic response process of the...

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Main Authors: HONG Haohao, WANG Chen, XU Guangfu, HOU Wei, LOU Guannan, WU Renze
Format: Article
Language:zho
Published: Editorial Department of Electric Power Engineering Technology 2023-11-01
Series:电力工程技术
Subjects:
Online Access:https://www.epet-info.com/dlgcjsen/article/abstract/230217126
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author HONG Haohao
WANG Chen
XU Guangfu
HOU Wei
LOU Guannan
WU Renze
author_facet HONG Haohao
WANG Chen
XU Guangfu
HOU Wei
LOU Guannan
WU Renze
author_sort HONG Haohao
collection DOAJ
description In order to solve the problems such as significant frequency fluctuation and slow dynamic response under load disturbance in islanded microgrid which has a diesel generator (DG) as the primary source, an auxiliary frequency regulation method is proposed to improve the dynamic response process of the system. Firstly, the model of diesel generator system is established to analyze the impact on transient state due to main parameters, including inertia and response delay. Secondly, the energy storage system (ESS) with auxiliary frequency regulation based on droop control is proposed, and the engineering parameter and ESS′s power margin design method are given. In addition, a small signal model of the DG-ESS system is established to prove the stability of the system. Finally, the experimental platform of DG-ESS microgrid is built, and the results verify that the proposed control strategy effectively reduces the transient frequency fluctuation under the change of static or motor load.
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spelling doaj.art-8157cb564a734776a7fb996bde2963412023-12-04T00:44:16ZzhoEditorial Department of Electric Power Engineering Technology电力工程技术2096-32032023-11-0142618919610.12158/j.2096-3203.2023.06.020230217126Optimal control method of frequency in diesel generator based islanded microgridHONG Haohao0WANG Chen1XU Guangfu2HOU Wei3LOU Guannan4WU Renze5NR Electric Co., Ltd., Nanjing 211102, ChinaNR Electric Co., Ltd., Nanjing 211102, ChinaNR Electric Co., Ltd., Nanjing 211102, ChinaNR Electric Co., Ltd., Nanjing 211102, ChinaSchool of Electrical Engineering, Southeast University, Nanjing 210096, ChinaNR Electric Co., Ltd., Nanjing 211102, ChinaIn order to solve the problems such as significant frequency fluctuation and slow dynamic response under load disturbance in islanded microgrid which has a diesel generator (DG) as the primary source, an auxiliary frequency regulation method is proposed to improve the dynamic response process of the system. Firstly, the model of diesel generator system is established to analyze the impact on transient state due to main parameters, including inertia and response delay. Secondly, the energy storage system (ESS) with auxiliary frequency regulation based on droop control is proposed, and the engineering parameter and ESS′s power margin design method are given. In addition, a small signal model of the DG-ESS system is established to prove the stability of the system. Finally, the experimental platform of DG-ESS microgrid is built, and the results verify that the proposed control strategy effectively reduces the transient frequency fluctuation under the change of static or motor load.https://www.epet-info.com/dlgcjsen/article/abstract/230217126islanded microgriddiesel generator (dg)droop controlinertial controlfrequency responsestability analysis
spellingShingle HONG Haohao
WANG Chen
XU Guangfu
HOU Wei
LOU Guannan
WU Renze
Optimal control method of frequency in diesel generator based islanded microgrid
电力工程技术
islanded microgrid
diesel generator (dg)
droop control
inertial control
frequency response
stability analysis
title Optimal control method of frequency in diesel generator based islanded microgrid
title_full Optimal control method of frequency in diesel generator based islanded microgrid
title_fullStr Optimal control method of frequency in diesel generator based islanded microgrid
title_full_unstemmed Optimal control method of frequency in diesel generator based islanded microgrid
title_short Optimal control method of frequency in diesel generator based islanded microgrid
title_sort optimal control method of frequency in diesel generator based islanded microgrid
topic islanded microgrid
diesel generator (dg)
droop control
inertial control
frequency response
stability analysis
url https://www.epet-info.com/dlgcjsen/article/abstract/230217126
work_keys_str_mv AT honghaohao optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid
AT wangchen optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid
AT xuguangfu optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid
AT houwei optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid
AT louguannan optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid
AT wurenze optimalcontrolmethodoffrequencyindieselgeneratorbasedislandedmicrogrid