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Identification of Dominant Mode of Grid-forming Inverter System Based on Prony Algorithm
Nan Wang;Shumin Sun;Yan Cheng;Shibo Wang;Yiyuan Liu;Guangqi Zhou;Chenglong Wang;Liqun Sun;Yichen Sun;Qinghua Li
2024 4th International Conference on Electrical Engineering and Control Science (IC2ECS)
Year: 2024 | Conference Paper |
The power system has gradually developed into a new power system with a high proportion of new energy and a high proportion of power electronic equipment. A large number of new energy sources are connected to the grid through power electronic shunt converters, which makes the system prone to broadband oscillation. Grid-forming converters can suppress broadband oscillation and become a key developm...Show More
Short-Term Wind Power Prediction Based on DTW-BiLSTM Modeling
Guangyu Zheng;Zheng Xin;Nan Wang;Shibo Wang;Weiran Chi;Xingran Liu;Yifei Guan;Guangqi Zhou
2024 China Automation Congress (CAC)
Year: 2024 | Conference Paper |
Wind power forecasting plays a critical role in wind farm planning, operations, maintenance, and market trading. It improves the efficiency of wind energy production, minimizes system uncertainties, and provides a solid foundation for evaluating the economic viability of wind power and integrating renewable energy into the grid. However, the complex, non-linear nature of wind power data makes it c...Show More
Impact of Vector Control on Small-signal Synchronization Stability for Virtual SG
Nan Wang;Shibo Wang;Yan Cheng;Guangqi Zhou;Chenglong Wang;Yiyuan Liu;Rui Zhang;Tianguang Lv;Guanzhong Wang;Liqun Sun
2024 8th International Conference on Electrical, Mechanical and Computer Engineering (ICEMCE)
Year: 2024 | Conference Paper |
The virtual synchronous generator (VSG) are designed to be voltage-source external characteristics that behave with positive damping in weak grids but deteriorate low-frequency oscillation in strong grids. Using the damping torque method for low-frequency oscillation analysis of SG, this paper analyzes the effect of convertor vector control on the small-signal synchronization stability for VSGs. F...Show More
Collaborative Optimization Configuration of Shared Energy Storage and Transmission Lines Considering Multi-time Scale Demand
Weiwei Miao;Shibo Wang;Yan Cheng;Guangqi Zhou;Nan Wang;Zhiang Yin;Xinyu Yin;Xiaoyan Bian
2024 4th Power System and Green Energy Conference (PSGEC)
Year: 2024 | Conference Paper |
Collaborative optimization configuration of shared energy storage (SES) and transmission lines can satisfy the multi-timescale power balancing demand of high percentage new energy grids while delaying transmission lines expansion and saving cost. A bi-level collaborative optimization configuration model of SES and transmission lines which considers multi-timescale demand is proposed to improve the...Show More
Modeling and Characterization of Frequency Response Equivalence Model of Renewable Energy Station and Energy Storage Based on Frequency Modulation Contribution
2024 6th International Conference on Energy Systems and Electrical Power (ICESEP)
Year: 2024 | Conference Paper |
With the integration of a large number of renewable energy equipment such as wind power and photovoltaic into the grid, the system gradually shows the characteristics of low inertia, which will bring a series of frequency safety problems, and the use of grid-based energy storage can improve these problems. It is difficult for traditional frequency characteristic analysis methods to accurately gras...Show More
Wind and Energy Storage Coordinated Control Research Considering Minimum Inertia Assessment of the System
2024 6th International Conference on Energy Systems and Electrical Power (ICESEP)
Year: 2024 | Conference Paper |
Energy storage is an important equipment for constructing new energy stations. In response to the low utilization rate of independent energy storage equipment in new energy stations, this paper combines the application of the sharing economy concept in the field of energy storage, and proposes wind and energy storage coordinated control considering the minimum inertia assessment of the system. In ...Show More
Aggregation Model and Method Considering Multi-Heterogeneous Energy Storage for Power System Scheduling Requirements
Wei Hu;Shumin Sun;Guangqi Zhou;Yunchao Sun;Yan Cheng;Shibai Wang
2024 7th Asia Conference on Energy and Electrical Engineering (ACEEE)
Year: 2024 | Conference Paper |
In order to cope with the high uncertainty of the new power system, diversified energy storage has been developed rapidly in recent years. However, the distributed energy storage equipment also causes difficulties for the optimal scheduling of the power system. In this paper, gravity energy storage and compressed air energy storage, which are more mature in current technology application, are take...Show More
Real-Time Electromagnetic and Electromechanical Hybrid Simulation Based on RTLAB-PowerFactory
Changwang Zhao;Weiwei Miao;Haoran Zhao;Jing He;Yan Cheng;Guangqi Zhou;Yibao Jiang
2024 IEEE 2nd International Conference on Control, Electronics and Computer Technology (ICCECT)
Year: 2024 | Conference Paper |
This article proposes a heterogeneous real-time hybrid simulation method for RTLAB-PowerFactory based on the Functional Mock up Interface (FMI). Firstly, based on the Frequency Dependent Network Equivalence Method (FDNE), the electromechanical side subnetwork and electromagnetic side subnetwork are equivalently modeled. Then, the data exchange information was defined and a large step data extrapol...Show More
Analysis and Assessment of Frequency Regulation Characteristics of Joint Wind-Storage System Based on Predicted Wind Speed and Load
Yueyi Qu;Jing He;Weiwei Miao;Haoran Zhao;Yibao Jiang;Yan Cheng;Guangqi Zhou
2024 IEEE 2nd International Conference on Control, Electronics and Computer Technology (ICCECT)
Year: 2024 | Conference Paper |
With the aggravation of environmental pollution, the wind power gradually replaces traditional thermal power, which makes the electric system develop towards the new electric system with renewable energy sources operating as the essential body. However, under high penetration of wind power, the stability of the system cannot be guaranteed, and the fluctuation of wind speed and load, as well as the...Show More
A PI Consensus-Based Second Control for P/V Droop-Controlled Converters in Low-Voltage Resistive Network
Yukai Zeng;Xia Chen;Shumin Sun;Guangqi Zhou;Yan Cheng;Shibai Wang
2023 IEEE 7th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2023 | Conference Paper |
Droop control is widely used to achieve desired power sharing among distributed generations (DGs). For low-voltage resistive network, P/V droop control is preferred rather than the conventional droop. However, P/V droop also suffers from inaccurate active power allocation and deviation of voltage and frequency from rated values induced by inequal line impedance and its inherent defects. A PI-conse...Show More
Evaluating The Aggregated Frequency Regulation Capability of Energy Storage Clusters
Jiaxiong Xiang;Bo Yang;Shibo Wang;Zhi Zhang;Zheyi Pei;Kecheng Li;Guangqi Zhou;Ming Zhou
2023 IEEE 7th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2023 | Conference Paper |
With the integration of a large number of wind and solar new energy power generation into the power grid, the system faces frequency security issues. Energy storage stations (ESS) can effectively maintain frequency stability due to their ability to quickly adjust power. Due to the differences in the state of each ESS and the topology of the power grid, it is difficult to evaluate the frequency sup...Show More
Distributed Adaptive Inertia-Droop Control for Multiple VSGs to Suppress Power Oscillation
Qiufan Yang;Xia Chen;Shumin Sun;Guangqi Zhou;Yan Cheng;Shibai Wang
2023 IEEE 7th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2023 | Conference Paper |
As large-scale conventional generators are gradually being replaced by renewable energy sources, the issue of system frequency stability becomes increasingly prominent. The integration of energy storage systems using virtual synchronous generator (VSG) control mechanisms is considered a crucial means to enhance system frequency stability. The theoretical analysis is conducted in this paper that mu...Show More
Research on Modeling and Excitation Start Method of Dual Stator-Winding Wind Turbine
Yan Cheng;Guangqi Zhou;Jiawei Xing;Nan Wang;Yiyuan Liu;Shumin Sun;Shibai Wang;Peng Yu;Yifei Guan;Chenglong Wang
2023 3rd International Conference on Energy Engineering and Power Systems (EEPS)
Year: 2023 | Conference Paper |
This paper revolves around the application of the dual stator-winding induction generator in the field of wind power generation. It involves establishing a mathematical model of the dual stator-winding wind turbine and proposing an excitation start-up method for the generator. The study begins by describing the structure, working principle, and excitation start-up method of the dual stator-winding...Show More
Electromagnetic Design and Simulation Analysis of the Doubly Fed Wind Turbine with Stator Double Winding
Yan Cheng;Guangqi Zhou;Jiawei Xing;Nan Wang;Yiyuan Liu;Shumin Sun;Shibai Wang;Chenglong Wang
2023 3rd International Conference on Energy Engineering and Power Systems (EEPS)
Year: 2023 | Conference Paper |
In this paper, the structure of a new doubly fed wind turbine with stator double winding (DFTSDW) is studied, the working principle of its power generation system is analyzed, and two kinds of excitation starting schemes suitable for DFTSDW are proposed. The finite element method is used to build the magnetic field model of the turbine, and the turbine is modelled in the sub-synchronous and super-...Show More
A Distributed Energy Storage Aggregation Method Considering Power System Dispatching Requirements and SOC Equilibrium
Xinyue Zhang;Wei Hu;Shumin Sun;Guangqi Zhou;Yan Cheng;Shibai Wang
2023 IEEE 18th Conference on Industrial Electronics and Applications (ICIEA)
Year: 2023 | Conference Paper |
Energy storage is one of the main means to ensure the stable operation of a high proportion of renewable energy power system. However, due to the wide distribution, diverse types, and diverse characteristics of energy storage power stations, traditional power dispatch models cannot fully tap their support capabilities. A distributed energy storage aggregation method based on SOC equilibrium is pro...Show More
A fault diagnosis method of distributed photovoltaic power generation equipment based on big data mining
Shumin Sun;Yan Cheng;Nan Wang;Wenjie Ju;Yuejiao Wang;Yifei Guan;Yiyuan Liu;Guangqi Zhou;Shibo Wang
2022 2nd International Conference on Electrical Engineering and Control Science (IC2ECS)
Year: 2022 | Conference Paper |
Aiming at the massive operation and monitoring data of distributed photovoltaic equipment, this paper builds a real-time database and a relational database platform. Based on big data mining technology, the distributed photovoltaic power generation equipment status data and the related data are preprocessed and cleaned. Then the failure mode of distributed photovoltaic power generation equipment i...Show More
Research on remote analysis technology and system development of distributed photovoltaic power generation operating status
Nan Wang;Yan Cheng;Wenjie Ju;Yuejiao Wang;Yifei Guan;Yiyuan Liu;Guangqi Zhou
2022 2nd International Conference on Electrical Engineering and Control Science (IC2ECS)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
The distributed photovoltaic industry is developing rapidly, but the current power data has problems such as large amount of data, many data types, and low value density, and there is also a lack of effective means for data mining. This paper is based on distributed photovoltaic operation data and D-S evidence theory. Based on the data fusion algorithm, the remote analysis technology of distribute...Show More
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