Article
Engineering, Electrical & Electronic
Dmitry Rimorov, Jinan Huang, Chuma Francis Mugombozi, Thierry Roudier, Innocent Kamwa
Summary: This paper highlights the importance of co-simulation of heterogeneous systems, addressing stability and precision issues by designing a proper coupling interface. It demonstrates the application of the developed power coupling interface through simulation results of benchmark systems of various complexity.
IEEE TRANSACTIONS ON POWER SYSTEMS
(2021)
Article
Computer Science, Information Systems
Iman Kiaei, Mohammadali Rostami, Saeed Lotfifard
Summary: A decentralized controller is proposed in this article to improve the transient stability of multimachine power systems. The coordinated control of excitation and steam turbine of synchronous generators is developed based on model predictive control (MPC) strategy, with tube-based MPC to ensure robustness and convergence. The proposed controller is implemented locally at individual synchronous generator stations and has been shown to enhance the transient stability of power systems on the 39-bus New England test system.
IEEE SYSTEMS JOURNAL
(2021)
Article
Green & Sustainable Science & Technology
Eric O'Shaughnessy, Jenny Heeter, Chandra Shah, Sam Koebrich
Summary: Corporations are the fastest growing source of renewable energy demand in the United States and other key markets, with over 200 large global corporations committing to more aggressive renewable energy targets. Increasing corporate procurement could change the deployment of renewable energy assets, increase the need for flexible grid assets, and challenge formal grid planning and cost allocation.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Multidisciplinary Sciences
Ferenc Molnar, Takashi Nishikawa, Adilson E. Motter
Summary: This study demonstrates that improving power grid stability through heterogeneity among generators is more effective than homogeneity, showcasing the phenomenon of converse symmetry breaking. The findings present a new method for identifying this counterintuitive effect in other networks relying on behavioral homogeneity.
NATURE COMMUNICATIONS
(2021)
Article
Engineering, Electrical & Electronic
Sajjad Hadavi, Dayan B. Rathnayake, Gamini Jayasinghe, Ali Mehrizi-Sani, Behrooz Bahrani
Summary: This paper proposes a data-driven approach for designing higher-order optimized exciter controllers to guarantee post-fault stability in weak grid scenarios. By using system identification method to obtain frequency response data of the power system and feeding it into the optimization control design procedure, the proposed controller achieves better performance compared to conventional ones.
IEEE TRANSACTIONS ON POWER SYSTEMS
(2022)
Article
Engineering, Environmental
Wei Liu, Tianhao Wang, Shuo Wang, Zhijun E, Ruiqing Fan
Summary: This paper proposes a robust optimization dispatching method for urban power grids to achieve efficient dispatching of multiple types of energy and meet system constraints. The method considers the uncertainties caused by renewable energy and load prediction and utilizes the tuning capacity of adjustable generator sets and energy storage devices to provide robustness.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Energy & Fuels
Chen Qi, Keyou Wang, Qing-Chang Zhong, Jin Xu, Guojie Li
Summary: This work investigates the transient angle stability of inverters equipped with the robust droop controller. The conditions on the control references to ensure the existence of a feasible post-disturbance operating point are derived. The post-disturbance equilibrium points are found and their stability properties are characterized. Furthermore, the stable and unstable manifolds of the surrounding unstable equilibrium points are calculated to accurately depict the attraction regions of the stable equilibrium points, offering an explanation to system transient stability. Finally, transient control considerations are provided to assist the inverter in riding through disturbances and maintaining its stability characteristics. It is demonstrated that transient angle stability is not a serious problem for droop controlled inverters with proper control settings.
CSEE JOURNAL OF POWER AND ENERGY SYSTEMS
(2023)
Article
Engineering, Electrical & Electronic
Amir Sepehr, Oriol Gomis-Bellmunt, Edris Pouresmaeil
Summary: This paper proposes a method to enhance the transient stability of power synchronization control (PSC) by employing machine learning methods and modifying the control scheme. It introduces an encoder stacked classifier for early detection of synchronization instability and integrates the instability detection scheme into the synchronization loop, introducing a phase freezing mode to avoid losing synchronism.
IEEE TRANSACTIONS ON SMART GRID
(2022)
Article
Computer Science, Information Systems
Samy M. Ghania, Anas M. Hashmi
Summary: The paper discusses the simulation of large-scale integration of renewable energy resources with the utility grid. Investigations on transient overvoltages over the utility grids due to different renewable energy resources are presented, along with proposed methods to suppress, mitigate, and control these overvoltages. Results obtained show good consistency and compliance with other research studies and standards related to renewable energy sources.
Article
Engineering, Electrical & Electronic
Zhongting Tang, Yongheng Yang, Frede Blaabjerg
Summary: This letter introduces an interlinking converter architecture that can efficiently integrate various types of DC and AC sources. Experimental tests confirm the advantages of this architecture in terms of flexible conversion, high power density, and controllable power flow.
IEEE TRANSACTIONS ON POWER ELECTRONICS
(2021)
Article
Multidisciplinary Sciences
Zabir Mahmud, Kenji Shiraishi, Mahmoud Y. Abido, Pedro Andres Sanchez-Perez, Sarah R. Kurtz
Summary: Energy storage is crucial for decarbonizing the electrical grid. A new strategy is introduced to identify the most valuable types of storage for specific generation and load profiles. This study quantifies the impact of different factors, such as wind-driven grids and seasonal storage needs, on the required charging and discharging rates.
Article
Engineering, Electrical & Electronic
Ningbo Dong, Mengfei Li, Xiaofei Chang, Huan Yang, Rongxiang Zhao
Summary: A robust loop correction method is proposed in this article to improve the stability of inverters in weak grids. The method involves designing a reference model with good stability, using a high-pass filter to obtain the high-frequency components of the reference model response, and using a low-pass filter to obtain the low-frequency components of the actual system response. The effectiveness of the method is verified through simulation and experimental results.
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
(2023)
Article
Automation & Control Systems
Yang Cao, Wei Wei, Laijun Chen, Qiuwei Wu, Shengwei Mei
Summary: The article proposes a data-driven robust method to quantify the risk in a stand-alone renewable powered heat-electricity energy system, modeling the uncertainty of renewable generation through ambiguous probability distributions and discussing the probability of load shedding and related penalty cost. The method requires moderate information on renewable generation and makes full use of available data, showing robust evaluation results against the inaccuracy of renewable power distributions.
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
(2021)
Article
Computer Science, Information Systems
Kosisochukwu P. Nnoli, Fahrudin Delic, Stefan Kettemann
Summary: The increase of renewable energy resources poses challenges for ensuring the stability of power grids. This study investigates the dynamics of voltage fluctuations and propagation, finding that voltage deviations remain local but may propagate when the electrical power in the grid approaches its critical value.
Article
Thermodynamics
Ahmed Mahdy, Hany M. Hasanien, Waleed Helmy, Rania A. Turky, Shady H. E. Abdel Aleem
Summary: This paper introduces a method using the coot optimization algorithm (COA) combined with an anti-windup method to enhance the transient stability of a wave energy conversion system (WECS). The approach effectively eliminates the windup issue in the PI controller and greatly improves the transient stability of the WECS connected to the grid.
