Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays
The safe operation of multi-area power systems (MPS) is facing great challenges with the explosive growth of renewable energy, where the load frequency regulation (LFR) may be disturbed due to the unpredictability and uncertainty of renewable energy. This paper considers the communication delays in...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-11-01
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| Series: | Energy Reports |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2352484722014780 |
| _version_ | 1797900695890821120 |
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| author | Zhenlong Wu PengZhen Li Yanhong Liu Donghai Li YangQuan Chen |
| author_facet | Zhenlong Wu PengZhen Li Yanhong Liu Donghai Li YangQuan Chen |
| author_sort | Zhenlong Wu |
| collection | DOAJ |
| description | The safe operation of multi-area power systems (MPS) is facing great challenges with the explosive growth of renewable energy, where the load frequency regulation (LFR) may be disturbed due to the unpredictability and uncertainty of renewable energy. This paper considers the communication delays in the area control error signals for the LFR of MPS, where a cascaded proportional–integral–derivative (PID) control scheme optimized by genetic algorithms is proposed to handle the communication delays. By comparing the stability boundaries of PI parameters with/without different time delays, the adverse effects caused by communication delays are discussed. Based on the proposed cascaded control scheme, its parameters are optimized by the genetic algorithms. Simulation results in different scenarios validate the superiorities of the proposed control scheme, where it can reject disturbances of the load variance most quickly and obtain a small overshoot. The proposed cascaded PI control scheme optimized by the genetic algorithms shows great promising potential in load frequency regulation. |
| first_indexed | 2024-04-10T08:49:01Z |
| format | Article |
| id | doaj.art-5a9f2fbd7d06439f887963ac7f0d0a80 |
| institution | Directory Open Access Journal |
| issn | 2352-4847 |
| language | English |
| last_indexed | 2024-04-10T08:49:01Z |
| publishDate | 2022-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Energy Reports |
| spelling | doaj.art-5a9f2fbd7d06439f887963ac7f0d0a802023-02-22T04:31:05ZengElsevierEnergy Reports2352-48472022-11-018469477Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delaysZhenlong Wu0PengZhen Li1Yanhong Liu2Donghai Li3YangQuan Chen4School of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, ChinaSchool of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, ChinaSchool of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China; Corresponding author.State Key Lab of Power Systems, Department of Energy and Power Engineering, Tsinghua University, Beijing 100084, ChinaMechatronics, Embedded Systems and Automation (MESA) Lab, Department of Mechanical Engineering, School of Engineering, University of California, Merced, CA 95343, USAThe safe operation of multi-area power systems (MPS) is facing great challenges with the explosive growth of renewable energy, where the load frequency regulation (LFR) may be disturbed due to the unpredictability and uncertainty of renewable energy. This paper considers the communication delays in the area control error signals for the LFR of MPS, where a cascaded proportional–integral–derivative (PID) control scheme optimized by genetic algorithms is proposed to handle the communication delays. By comparing the stability boundaries of PI parameters with/without different time delays, the adverse effects caused by communication delays are discussed. Based on the proposed cascaded control scheme, its parameters are optimized by the genetic algorithms. Simulation results in different scenarios validate the superiorities of the proposed control scheme, where it can reject disturbances of the load variance most quickly and obtain a small overshoot. The proposed cascaded PI control scheme optimized by the genetic algorithms shows great promising potential in load frequency regulation.http://www.sciencedirect.com/science/article/pii/S2352484722014780Cascaded proportional–integral controllerLoad frequency regulationMulti-area power systemsCommunication delaysRenewable sourcesGenetic algorithms |
| spellingShingle | Zhenlong Wu PengZhen Li Yanhong Liu Donghai Li YangQuan Chen Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays Energy Reports Cascaded proportional–integral controller Load frequency regulation Multi-area power systems Communication delays Renewable sources Genetic algorithms |
| title | Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays |
| title_full | Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays |
| title_fullStr | Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays |
| title_full_unstemmed | Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays |
| title_short | Optimized cascaded PI controller for the load frequency regulation of multi-area power systems with communication delays |
| title_sort | optimized cascaded pi controller for the load frequency regulation of multi area power systems with communication delays |
| topic | Cascaded proportional–integral controller Load frequency regulation Multi-area power systems Communication delays Renewable sources Genetic algorithms |
| url | http://www.sciencedirect.com/science/article/pii/S2352484722014780 |
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