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2023 Panda Forum on power and Energy, PandaFPE 2023

作者： Du, Jialin Zhang, Sen Luo, Shihua Yuan, Yiping Hu, Weihao School of Mechanical and Electrical Engineering Sichuan Provincial Key Lab of Power System Wide Area Measurement and Control University of Electronic Science and Technology of China Chengdu China

ISBN: (纸本)9798350321173

Currently, a large number of community integrated energy systems operate independently and lack coordination and cooperation with each other. On the whole, the complementary coupling potential between energy production and consumption has not been fully explored, which is not conducive to the efficient utilization of clean energy. To solve the above problem, this paper proposes an optimal scheduling model of community integrated energy system considering integrated demand response and carbon tax. Moreover, based on cooperative game theory, this paper adopts the Sharpley value to achieve fair and reasonable distribution of cooperation profits. The case study results indicate that the energy sharing model proposed in this article can achieve better economic benefits. © 2023 IEEE.

关键词： Game theory

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A Two-Stage Robust Scheduling Strategy for Multi-Energy Microgrid Considering Multiple Uncertainties 8

A Two-Stage Robust Scheduling Strategy for Multi-Energy Micr...

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8th International Conference on power Energy systems and Applications, ICoPESA 2024

作者： Zhang, Sen Hu, Weihao Cao, Xilin Zhao, Yincheng Liu, Rundong Ma, Haojie Zhan, Wei Li, Mingxuan School of Mechanical and Electrical Engineering University of Electronic Science and Technology of China Sichuan Provincial Key Lab of Power System Wide Area Measurement and Control Chengdu China School of Management and Economics Beijing Institute of Technology Beijing China SPIC Southwest Energy Research Institute Chengdu China

ISBN: (纸本)9798350351668

To achieve the economic operation of a multi-energy micro grid under multiple uncertain environments, this study introduces a novel two-stage robust scheduling approach, encompassing both day-ahead planning and real-time adjustments. First, the multi-energy micro grid day-ahead economic dispatch model is constructed based on the prediction scenarios, and integrated demand response is considered to increase the flexibility of the system. Afterwards, the strategy is adjusted in the real-time phase, considering the uncertainty of energy production and consumption. The Column-and-Constraint Generation algorithm is employed to resolve the above two-stage issues effectively, and the optimal economic operation strategy of the MEMG is obtained. Finally, a case study demonstrates the economy and robustness of the proposed methodology. © 2024 IEEE.

关键词： Demand response

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Multi-objective resilient recovery strategy for urban wind-solar-MPS-EV electric system after disastrous events

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APPLIED ENERGY 2024年 369卷

作者： Xu, Yihao Xing, Yankai Zhang, Guangdou Li, Jian An, Haopeng Bamisile, Olusola Huang, Qi Univ Elect Sci & Technol China Sch Mech & Elect Engn Power Syst Wide Area Measurement & Control Key Lab Chengdu 611731 Sichuan Peoples R China Chengdu Univ Technol Coll Nucl Technol & Automat Engn Chengdu 610059 Sichuan Peoples R China Southwest Univ Sci & Technol Mianyang Peoples R China

The situation in an urban distribution network becomes intricate under high -impact, low -probability events. Furthermore, the growing quantity of components within the urban distribution network renders their analysis more challenging. Thus, the desired recovery strategy should not only meet the requirements of restoration rates but also guarantee a stable power supply. To address this issue, this paper proposes a multi -objective decision analysis framework, which consists of EV user requirements, MPS routing, and emergency repair crew schedule, to generate a more precise recovery strategy. These objectives' dynamic behaviors in the transportation network are transformed into spatiotemporal characteristic variables and introduced into inequality constraints. Also, the Wasserstein generative adversarial network with gradient penalty is employed in this framework to characterize solar and wind realistic output. By minimizing the weighted sum composed of MPS operational costs, EV user expenses, load loss, and voltage fluctuation, an optimized recovery strategy is provided to the grid operator. Case studies investigate the effectiveness of recovery strategy in IEEE 33 -bus and 123 -bus benchmark systems. The results indicate the proposed approach can effectively handle complex scenarios achieving rapid and reliable restoration, while also preserving regular charging behavior and maintaining a stable power voltage supply.

关键词： power system resilience Electric vehicles Distribution system restoration power quality High -impact and low -probability (HILP) events

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A Novel All-phase Fast Fourier Transform-based Parameters Identification of High Frequency Oscillations 60

A Novel All-phase Fast Fourier Transform-based Parameters Id...

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60th IEEE/IAS Industrial and Commercial power systems Technical Conference, I and CPS 2024

作者： Sun, Feiyu Cai, Dongsheng Zhang, Zhenyuan Huang, Qi University of Electronic Science and Technology of China Sichuan Provincial Key Lab of Power System Wide-Area Measurement and Control School of Mechanical and Electrical Engineering Chengdu611731 China Chengdu University of Technology College of Nuclear Technology and Automation Engineering 610059 China Southwest University of Science and Technology School of Information Engineering Sichuan Mianyang China

ISBN: (纸本)9798350345308

Wind and solar energy inverter-based resources (IBRs) has been employed extensively with the aim of carbon neutrality. power systems also make extensive use of power electronic converters, leading to interactions between IBRs and with the grid, causing high frequency oscillation (HFO) problems. It damages equipment and jeopardizes the security of the system. To identify HFO components above 100 Hz, this research use Phasor measurement Unit (PMU) instantaneous value data to determine the HFO associated characteristics. To reduce the influence of spectral leakage and the fence effect, as well as to improve the identification accuracy of the related parameters, this paper adopts the RV self-convolutional window based Discrete Fourier Transform (DFT) and the Hanning double-window based all-phase Fast Fourier Transform (apFFT) hybrid algorithm to identify the HFO modal parameters. We take into account the identification accuracy in complex cases, such as non-nominal frequencies, with noise effects and multiple HFO modes. The simulation results show that the proposed method has high identification bandwidth, accuracy and strong flexibility. © 2024 IEEE.

关键词： Discrete Fourier transforms

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Data-driven load frequency cooperative control for multi-area power system integrated with VSCs and EV aggregators under cyber-attacks

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ISA TRANSACTIONS 2023年 143卷 440-457页

作者： Zhang, Guangdou Li, Jian Xing, Yankai Bamisile, Olusola Huang, Qi Univ Elect Sci & Technol China Sch Mech & Elect Engn Power Syst Wide Area Measurement & Control Key Lab Sichuan Prov Chengdu Sichuan Peoples R China Chengdu Univ Technol Sichuan Ind Internet Intelligent Monitoring & Appl Chengdu Sichuan Peoples R China Southwest Univ Sci & Technol Elect Engn Dept Mianyang Sichuan Peoples R China

This paper proposes a cooperative load frequency control (LFC) strategy based on a multi-agent deep reinforcement learning (MADRL) framework for the multi-area power system in the presence of voltage source converters (VSCs) and electric vehicle (EV) aggregators under cyber-attacks. Different from the existing LFC model, a novel transfer function of VSCs is first improved by the space-vector technique and integrated with EV aggregators to develop a multi-area training environment. By installing the agent in different control areas and interacting state transition information between agents and the new environment, the MADRL-based control strategy is achieved for centralized training and decentralized execution. Thus, the proposed MADRL method can coordinate thermal turbines, VSCs, as well as EV aggregators in the different control areas. Furthermore, a suitable cyber-attack model that can circumvent bad data detection (BDD) is reconstructed according to the perspective of adversaries for the LFC system. Then the double critic networks and parameter updating policy are designed to eliminate and mitigate the fluctuations caused by cyber-attacks. The comparative simulation with other control strategies on a three-area test power system demonstrates the superior performance of the proposed MADRL-based approach.

关键词： Load frequency cooperative control Multi-agent deep reinforcement learning Voltage source converter Electric vehicle aggregators Cyber-attacks

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Vulnerability analysis and modeling false data injection attack against voltage source converter in renewable generation power system

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ISA TRANSACTIONS 2023年 143卷 492-502页

作者： Xing, Yankai Zhang, Guangdou Li, Jian Bamisile, Olusola Cai, Dongsheng Huang, Qi Univ Elect Sci & Technol China Sch Mech & Elect Engn Power Syst Wide Area Measurement & Control Key Lab Chengdu Sichuan Peoples R China Chengdu Univ Technol Sichuan Ind Internet Intelligent Monitoring & Appl Chengdu Sichuan Peoples R China Southwest Univ Sci & Technol Elect Engn Dept Mianyang Sichuan Peoples R China

With the increasing penetration of renewable resources, more power electronic devices that need communi-cation with control centers may bring a novel risk of cyber attacks. This paper investigates the vulnerability of the hierarchical control and proposes a false data injection attack (FDIA) constructing algorithm against voltage source converters. The attack can be accomplished via a physical attack generator or falsification via attacking supervisory control and data acquisition system. By developing the FDIA model against state estimation, the proposed attack model can circumvent bad data detection in the secondary control loop. The tests are carried out on a single converter infinite bus benchmark and an IEEE 34-bus system. The results show that the proposed attack model can mislead the system to produce threatening oscillation.

关键词： Voltage source converter Renewable generation False data injection attack Cyber-physical power system

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Optimization of Low-carbon Dispatching for Microgrid Based on Improved Particle Swarm Optimization 6

Optimization of Low-carbon Dispatching for Microgrid Based o...

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6th IEEE Conference on Energy Internet and Energy system Integration, EI2 2022

作者： Yang, Huan Cai, Dongsheng Bamisile, Olusola Li, Jian Zhang, Zhenyuan Huang, Qi Chengdu University of Technology School of Nuclear Technology and Automation Engineering Chengdu China University of Electronic Science and Technology of China Sichuan Provincial Key Lab of Power System Wide-Area Measurement and Control Chengdu China

ISBN: (纸本)9798350347159

In the context of carbon neutrality, the power industry is becoming the main battlefield of carbon emission reduction. However, the low-carbon transformation of energy structure is a complex long-term task, it needs to be analyzed in combination with the actual situation. This paper is based on the microgrid in the grid connection mode, considering microgrid power output and carbon emission constraints. An optimal model is proposed to reduce carbon emission cost, the optimal economic operation, and build a low-carbon scheduling model of a microgrid system. In this paper, the improved multi-objective particle swarm optimization algorithm is used to solve the problem. Finally, the simulation results verify the effectiveness of the model and the superiority of the improved algorithm. © 2022 IEEE.

关键词： Emission control

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Calculation and Simulation Analysis of Current Carrying Capacity and Thermal Effect of 500kV Tunnel Cable 6

Calculation and Simulation Analysis of Current Carrying Capa...

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6th IEEE Conference on Energy Internet and Energy system Integration, EI2 2022

作者： Liang, Ruipeng Huang, Qi Bamisile, Olusola Li, Jian Zhang, Zhenyuan Cai, Dongsheng Chengdu University of Technology School of Nuclear Technology and Automation Engineering Chengdu China University of Electronic Science and Technology of China Sichuan Provincial Key Lab of Power System Wide-Area Measurement and Control Chengdu China

ISBN: (纸本)9798350347159

The Qinghai-Tibet Plateau contains the most abundant clean energy such as hydropower, wind and solar in the world. However, it is very difficult to add overhead transmission lines on the ground due to the complex geographical environment. The large-capacity tunnel cables which is less affected by the earth surface environment, may play an important role on the energy transmission in such area. Based on the cable thermal circuit model, the electrical-magnetic-thermal multiphysics coupling of the cable is modeled in COMSOL Multiphysics. The parameter changes of the material during the temperature rising process, the influence of different ventilation conditions and different current-carrying capacities on the changes of the cable temperature field are quantitatively analyzed. The results show that the proposed model is valid in certain conditions. The research on the current carrying capacity and thermal effect of tunnel cables is of great significance for the transportation and consumption of large-scale clean energy resources. © 2022 IEEE.

关键词： Cables

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A Hierarchical Optimization-Based Model for Microgrids with Energy Storage Considering Operation Cost and Net Load Mean Square Error 6

A Hierarchical Optimization-Based Model for Microgrids with ...

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6th IEEE Conference on Energy Internet and Energy system Integration, EI2 2022

作者： Guan, Zexiang Cai, Dongsheng Bamisile, Olusola Li, Jian Zhang, Zhenyuan Huang, Qi Chengdu University of Technology School of Nuclear Technology and Automation Engineering Chengdu China University of Electronic Science and Technology of China Sichuan Provincial Key Lab of Power System Wide-Area Measurement and Control Chengdu China

ISBN: (纸本)9798350347159

When a high proportion of renewable energy is connected to the grid, the net load fluctuation can be suppressed by configuring energy storage. However, the current cost of energy storage is high. This paper proposes a bi-level optimization model that takes into account the dynamic allocation of shared energy storage (SES) capacity in response to electric load demand. The upper-layer objective function adopts EO optimization algorithm, which is to maximize the income of the shared energy storage operator (SESO). The lower-layer multi-objective function is to minimize the sum of the operating cost and the net load mean square error of multiple microgrids, which can be classified as the mixed integer linear programming problem. Then, the solution flow of the algorithm is given. Finally, under the constraints of the hierarchical optimization-based model, solving the problem by the CPLEX solver on the MATlab platform. The results demonstrate that the proposed method can allocate optimal capacity and reduce operating costs for microgrids. Simultaneously, this method increases the revenue of SESO and promotes the consumption of renewable energy. © 2022 IEEE.

关键词： Mean square error

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Hierarchical control Scheme for VSC-MTDC system with multiple Renewable Energy Sites Based on Optimal power Flow and Droop Scheme 6

Hierarchical Control Scheme for VSC-MTDC System with multipl...

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6th IEEE Conference on Energy Internet and Energy system Integration, EI2 2022

作者： Raza, Asif Huang, Qi Li, Jian Bamisile, Olusola Dongsheng, Cai Raza, Ghalib University of Electronic Science & Technology of China Sichuan Provincial Key Lab of Power System Wide -Area Measurement and Control School of Mechanical and Electrical Engineering China Chengdu University of Technology College of Nuclear and Automation Engineering Sichuan Provincial Key Lab of Power System Wide-Area Measurement and Control School of Mechanical and Electrical Engineering University of Electronic Science & Technology of China China University of Electronic Science & Technology of China China Chengdu University of Technology College of Nuclear and Automation Engineering Sichuan China Benazir Bhutto Shaheed University of Technology & Skill Development Khairpur Pakistan

ISBN: (纸本)9798350347159

This paper designs a hierarchical control system to improve control performance in a multi-terminal high voltage direct current based on the voltage source converter (VSC-MTDC) transmission system. In this control scheme, the primary control layer employs droop control, while the secondary control layer has developed optimal power flow control (OPF) for maintaining the variation of DC voltage and regulating the active power, and simultaneously minimizing power loss. In the event of a power disturbance or a change in power generation or consumption in the DC system, based on OPF results a new stable droop operating mode is established to stabilize DC voltage variation and regulate active power in the network. A ±400 kV four-terminal VSC-MTDC test network has been developed by using PSCAD and MATlab simulation tools to assess the proposed control scheme. The primary controller is designed in PSCAD, and the secondary optimum control technique is applied in MATlab. The results of steady-state and transient operating modes demonstrate that the planned control technique can achieve DC voltage regulation and keep active power, and minimize the power losses in the MTDC system. © 2022 IEEE.

关键词： MATlab

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