Laijun Chen

Tsinghua University

Author Statistics

Papers

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i-10 index

Research Trends

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Document Type

Co-Authors

Shengwei Mei

Tsinghua University

110

Tianwen Zheng

Tsinghua Sichuan Energy Internet Research Institute

Wei Wei

AviChina Industry & Technology (China)

Xiaodai Xue

Tsinghua University

Xiaozhu Li

Xinjiang University

Feng Liu

Tsinghua University

Zhongjie Guo

University of Electronic Science and Technology of China

Xiaotao Chen

People's Hospital of Xinjiang Uygur Autonomous Region

Yang Si

Qinghai University

Yan Guo

University of Science and Technology Beijing

Cooperative Institutions

Chinese Academy of Sciences

165

Tsinghua University

157

University of Chinese Academy of Sciences

Zhejiang University

State Grid Corporation of China (China)

Shanghai Jiao Tong University

Qinghai University

North China Electric Power University

Hong Kong Association of Registered Tour Co-ordinators

Sun Yat-sen University

Author Statistics

Papers

Citation

H-Index

i-10 index

Research Field

Dynamic Modeling and Analysis of Compressed Air Energy Storage for Multi-Scenario Regulation Requirements

Sen Cui Laijun Chen Siyuan Chen Zhengtang Sun Shengwei Mei

10.2139/ssrn.4812336

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Citations (0)

Capacity Optimization for Wind/Photovoltaic Prosumers and Shared Energy Storage Operator: A Cooperative Game Approach

2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2) (2021)

Xin Tian Tianwen Zheng Laijun Chen Xiaodai Xue

Game theory is applied in this paper to model the capacity planning of a shared energy system in a resident community comprised of energy storage batteries and prosumers with renewable energy resources, such as wind turbines and photovoltaic panel facilities. Cooperative game model is built to realize capacity optimization of renewable energy and energy storage system by taking prosumers and the energy storage operator as participants and their annual benefits as payoffs. Simulation results illustrates the feasibility of the proposed model. Comparison among the Nash equilibriums under different kinds of alliance structures shows that complete cooperation brings out more benefits and saves total installed capacity of the system, while competition will lead to decrease of benefits.

Operator (biology)

10.1109/ei252483.2021.9712903

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Citations (1)

Accelerating Renewable Energy Integration with Machine Learning

Xiaohui Zhong Laijun Chen Li Hao Fan Xu W. B. Qian

10.2139/ssrn.5123753

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Active damping of multi-paralleled inverters with LCL filters based on virtual harmonic resistance control strategy

Laijun Chen Lifeng Li Tianwen Zheng Chunlai Li Yan Guo

With the development and utilization of renewable energy, power electronic inverters are becoming more and more widely employed as the interfaces of renewable energy sources in modem power systems. However, because of the LCL filter, parallel-inverter-based grid-interactive system may experience serious resonance problems at different frequencies. This paper first develops a mathematical model of parallel-inverter-based grid-interactive system. The resonance characteristic can then be investigated with the introduced model. To improve the power quality, a virtual-harmonic-resistance-based active damping method is proposed. Unlike the traditional method, a virtual resistance is in parallel with the grid-side inductor of LCL filter in the proposed method. And with a harmonic detector, the influence on fundamental wave control is greatly reduced. Meanwhile, the costs of the control system can be decreased because there is no need to involve any additional measurements. Finally, simulation results on the platform of Matlab/Simulink are provided to validate the correctness of the developed resonance modeling and active damping method.

Harmonic

Harmonic Analysis

10.23919/chicc.2017.8027371

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A Bilayer Daily Load Curve Clustering Method Based on Short-Time Cross-Correlation

2021 IEEE 5th Conference on Energy Internet and Energy System Integration (EI2) (2021)

Chen Chen Laijun Chen Hengrui Ma Xiaodai Xue

The diversity of residential consumer load curves in the shape characteristic, amplitude and time domain increase the difficulties of clustering analysis. To solve this problem, this paper proposes a bilayer clustering method for daily load curves based on short-time cross-correlation. Firstly, to achieve better clustering of load curves, the short-time cross-correlation coefficient is used as the distance metric to weaken the effect of time domain differences on shape similarity. Then, the shape clustering results are clustered on amplitude by taking the Euclidean distance as a distance metric. The proposed method not only considers the influence of temporal characteristics on the distance metric, but also has the ability to identify the shape and amplitude of daily load curves. Case study on the measured data, verified the effectiveness of the proposed method in load pattern recognition.

Similarity (geometry)

k-medians clustering

10.1109/ei252483.2021.9712923

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多段式圧縮式圧縮空気エネルギー貯蔵システムの効率評価手法【JST・京大機械翻訳】

Diangong Dianneng Xinjishu (2014)

Liu Bin Laijun Chen Shengwei Mei Wang Junjie Sixian Wang

Source

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Reinforcement effect and mechanism of geogrids in embankment expansion

Taiping Mu Hongping Xiao Laijun Chen

The interaction mechanism between geosynthetics and surrounding soil has not been completely illustrated yet. There is still a lack of analysis on the reinforcement effect and mechanism of the geogrids on embankment expansion. Based on a highway embankment expansion project, various geogrid arrangements are simulated through the finite element method and the geogrid reinforcement mechanism is analyzed based on the analysis results. The results show that only increasing the number of geogrid layers has a small effect on the embankment deformation. The geogrids laid at the bottom of the embankment provides a better limit on the soil deformation inside the new embankment. The deformation of geogrids near the embankment surface is more obvious. The geogrids can not only limit soil deformation in horizontal direction through the friction, but also limit soil deformation in vertical direction through the great tensile properties.

Geogrid

Geosynthetics

10.1109/ichceswidr54323.2021.9656246

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Optimal participation and cost allocation of shared energy storage considering customer directrix load demand response

Journal of Energy Storage (2024)

Lei Ma Xiaozhu Li Xuan Kong Yang Changxing Laijun Chen

Maximization

Demand Response

10.1016/j.est.2023.110404

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Citations (13)

Energy Storage-Transmission Line Planning Based on Complete Information Static Game Model

Cai Sun Laijun Chen Liufang Wang Wei Wei Tianwen Zheng

Wind energy is developed intensively and is distributed in reverse with load in China. One of the key reasons for high curtailment rate is the shortage of transmission lines. Moreover, the configuration of energy storage in wind farms can suppress power fluctuation and reduce the capacity demand of transmission lines. Therefore, a complete information static game model of energy storage and line planning between a wind farm and a grid company is established. In the model, the government affects the result by setting different penalty coefficients of wind abandoning to achieve the target of wind abandoning rate. This model can reflect the conflict of interest between the two rational players. The result of case study partly explains why abandoned wind energy rate is high and shows the necessity of the government's interference in the game. In addition, the sensitivity of the equilibrium to the parameters is analyzed.

Economic shortage

Complete information

Line (geometry)

10.1109/isgt-asia.2019.8881507

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Citations (2)

Creep Tests of Glass Fiber Reinforced Plastics

Springer eBooks (2009)

L. H. Li Laijun Chen Zhan Wang

Geosynthetics

10.1007/978-3-540-69313-0_27

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Citations (1)