Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection

In view of the photovoltaic grid-connected power system, the transient frequency stability of the system is analyzed in this paper. First, the photovoltaic grid-connected power system was modeled and analyzed. On this basis, the maximum frequency deviation is used as the index to determine the inter...

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Main Authors: Jun Wu, Xiangyu Xing, Chen Wu, Baolin Li, Wei Huang, Peiying Gan, Hui Zhou
Format: Article
Language:English
Published: Hindawi-Wiley 2020-01-01
Series:Complexity
Online Access:http://dx.doi.org/10.1155/2020/5641596
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spelling doaj-405ede41d800438d891b1109cd7981a32020-11-25T03:06:39ZengHindawi-WileyComplexity1076-27871099-05262020-01-01202010.1155/2020/56415965641596Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid ConnectionJun Wu0Xiangyu Xing1Chen Wu2Baolin Li3Wei Huang4Peiying Gan5Hui Zhou6School of Electrical Engineering & Automation, Wuhan University, Wuhan 430072, ChinaSchool of Electrical Engineering & Automation, Wuhan University, Wuhan 430072, ChinaYunnan Power Grid Co., Ltd., Kunming 650000, ChinaSchool of Electrical Engineering & Automation, Wuhan University, Wuhan 430072, ChinaYunnan Power Grid Co., Ltd., Kunming 650000, ChinaSchool of Electrical Engineering & Automation, Wuhan University, Wuhan 430072, ChinaSchool of Electrical Engineering & Automation, Wuhan University, Wuhan 430072, ChinaIn view of the photovoltaic grid-connected power system, the transient frequency stability of the system is analyzed in this paper. First, the photovoltaic grid-connected power system was modeled and analyzed. On this basis, the maximum frequency deviation is used as the index to determine the interval in which the system accommodates the maximum photovoltaic capacity, and the influence of frequency stability of the high-permeability photovoltaic high disturbance system is studied. Second, the evaluation and prediction methods of frequency dynamic characteristics of photovoltaic access nodes based on surface fitting are proposed, and the critical values of high penetration photovoltaic access for different grid points are given. Finally, an improvement measure based on the optimization of the frequency modulation parameters of large-capacity units is proposed, and the effectiveness of the proposed method in improving the transient frequency stability of the system after photovoltaic access is verified by the IEEE 39-standard system.http://dx.doi.org/10.1155/2020/5641596
collection DOAJ
language English
format Article
sources DOAJ
author Jun Wu
Xiangyu Xing
Chen Wu
Baolin Li
Wei Huang
Peiying Gan
Hui Zhou
spellingShingle Jun Wu
Xiangyu Xing
Chen Wu
Baolin Li
Wei Huang
Peiying Gan
Hui Zhou
Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
Complexity
author_facet Jun Wu
Xiangyu Xing
Chen Wu
Baolin Li
Wei Huang
Peiying Gan
Hui Zhou
author_sort Jun Wu
title Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
title_short Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
title_full Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
title_fullStr Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
title_full_unstemmed Cyber-Enabled Intelligence Control and Security Optimization for Complex Microgrid Networks Transient Frequency Stability Analysis of Power Systems considering Photovoltaic Grid Connection
title_sort cyber-enabled intelligence control and security optimization for complex microgrid networks transient frequency stability analysis of power systems considering photovoltaic grid connection
publisher Hindawi-Wiley
series Complexity
issn 1076-2787
1099-0526
publishDate 2020-01-01
description In view of the photovoltaic grid-connected power system, the transient frequency stability of the system is analyzed in this paper. First, the photovoltaic grid-connected power system was modeled and analyzed. On this basis, the maximum frequency deviation is used as the index to determine the interval in which the system accommodates the maximum photovoltaic capacity, and the influence of frequency stability of the high-permeability photovoltaic high disturbance system is studied. Second, the evaluation and prediction methods of frequency dynamic characteristics of photovoltaic access nodes based on surface fitting are proposed, and the critical values of high penetration photovoltaic access for different grid points are given. Finally, an improvement measure based on the optimization of the frequency modulation parameters of large-capacity units is proposed, and the effectiveness of the proposed method in improving the transient frequency stability of the system after photovoltaic access is verified by the IEEE 39-standard system.
url http://dx.doi.org/10.1155/2020/5641596
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