- Power Systems and Renewable Energy
- Electric Vehicles and Infrastructure
- Advanced Battery Technologies Research
- Microgrid Control and Optimization
- Smart Grid and Power Systems
- Power Systems and Technologies
- Advanced Algorithms and Applications
- Smart Grid Energy Management
- Electric Power System Optimization
- Advanced Sensor and Control Systems
- HVDC Systems and Fault Protection
- Industrial Technology and Control Systems
- Integrated Energy Systems Optimization
- Energy Load and Power Forecasting
- Optimal Power Flow Distribution
- Electric and Hybrid Vehicle Technologies
- Chaos control and synchronization
- Advanced Numerical Analysis Techniques
- Quantum chaos and dynamical systems
- High-Voltage Power Transmission Systems
- Frequency Control in Power Systems
- Transportation and Mobility Innovations
- Manufacturing Process and Optimization
- Target Tracking and Data Fusion in Sensor Networks
- Construction Project Management and Performance
Chinese Academy of Sciences
2023-2024
Guangzhou Institute of Energy Conversion
2024
State Grid Corporation of China (China)
2009-2024
Pre School Learning Alliance
2024
Lanzhou University Second Hospital
2024
Lanzhou University
2024
Wuhan University of Technology
2024
University of Science and Technology of China
2021-2023
Institute of Semiconductors
2023
University of Chinese Academy of Sciences
2023
An energy storage resource (ESR) has outstanding ramping capability, but its limited disables the provision of regulation service around clock. As a comparison, conventional generator (CG) is not restricted by released energy, ramp rate limited. In this paper, method proposed to evaluate effectiveness ESRs providing frequency in single-area system. We measure performance standard deviation system excursions, and define requirement an isolated power as minimum capacity which satisfies desired...
High entropy alloys (HEAs) are promising as multifunctional electrocatalysts owing to their inherent compositional and structural complexity thus the multiple active sites for different reactions.
With the continuous development of society and economy popularization environmental protection concept, more people have begun to turn electric vehicles. The application vehicles can effectively avoid damage caused by automobile fuel emissions surrounding environment promote utilization new energy. However, vehicle industry has led frequent accidents related charging safety. In order prevent safety ensure proper passengers people, methods become research priorities for scholars. This paper...
Nowadays interconnections of non-synchronous AC grids with VSC-HVDC links become attractive in preventing cascading outages. To share the spinning reserves, link is expected to balance frequencies interconnected under tolerable disturbances. Based on synchronous generator emulation control (SGEC) strategy, this paper presents a communication-free scheme for frequency regulation link. Under disturbance, scheduled powers rectifier and inverter are changed their actual powers, respectively. As...
Deregulation of the electricity market and continued attempts by international community to reduce effects global climate change have resulted in a rapid increase usage different renewable forms energy such as wind solar energy. The availability renewables is highly sporadic nature. Consequently, their integration into power system practice not without unfavorable impacts on stability system. frequency vulnerable sudden imbalances between generation demand. Therefore, intermittent from...
A hierarchical distributed energy management for multiple photovoltaic (PV) based electric vehicle (EV) charging stations (PV-CSs) is proposed and analyzed in this paper. In the station level, PV-CSs are modelled as independent players with objectives to stabilize their average available capacity (AAC) of storage battery tank. Meanwhile, EV owners modeled maximize power. Then a two level power distribution game utilized model problem both level. Through utilizing consensus network learning...
Photovoltaic (PV) modules convert renewable and sustainable solar energy into electricity. However, the uncertainty of PV power production brings challenges for grid operation. To facilitate management scheduling plants, forecasting is an essential technique. In this paper, a robust multilayer perception (MLP) neural network was developed day-ahead hourly power. A generic MLP usually trained by minimizing mean squared loss. The error sensitive to few particularly large errors that can lead...
The demand for fast charging is increasing owing to the rapid expansion of market electric vehicles. In addition, power generation technology distributed photovoltaic has matured. This paper presents a design scheme station vehicles equipped with system taking area certain conditions in Beijing as an example construction site. technical indexes and equipment lectotype covering general framework subsystems are determined by analyzing service stations. this study, layout developed operation...
With the increasing popularity and development of electric vehicles, demand for vehicle charging is also constantly increasing. To meet diverse needs users improve efficiency infrastructure, this study proposes an optimization strategy discharging. This method considers both user’s travel mode operational pile. Firstly, a probability model based on spatiotemporal variables Monte Carlo algorithm were used to simulate trajectory providing data foundation optimizing discharging schemes...
This paper proposes a decentralized scheduling method for electric vehicles charge and discharge management based on cloud-edge collaboration so as to protect users' privacy. Firstly, cloud computing center, distribution system operator solves an optimal power flow model second-order cone programming in order minimize costs. Secondly, edge unit, charging station energy mixed-integer linear track instructions of the operator. Finally, stations return benders cut constraints revise plan. And...
The increased penetration of distributed energy resource and power electronics-based loads cause rapid voltage fluctuations in distribution networks, affecting secure operation the grid threatening high-quality delivery to customers. It is great importance conduct fast accurate stability assessment for better understanding operational risks providing effective timely controls mitigating identified risks. Traditionally, Jacobian matrix-based sensitivity analysis methods are used evaluate...
High micellar stability and well-performed drug loading release are two conflicting factors for unimolecular micelles as an ideal delivery system. Achieving the formation of with short hydrophilic blocks is a challenging promising approach to solve this bottleneck limitation current micelle systems. In work, dissipative particle dynamics (DPD) simulation used study synergetic effect crosslinking electrostatic repulsion on analyze micro-mechanism influencing stabilization strategy. The...
With rapid development of wind power generation, the large capacity farms are built up and integrated into transmission network. The effect on grid becomes more serious extensive. In order to investigate dynamic performances grid-connected farm interaction farms, it is necessary present appropriate models which can characteristics completely not too complicated. this paper, based detailed model pitch angle control system, two kinds simplified deduced by mathematics equivalence method. Then...
This paper presents a novel hierarchical control approach of DC microgrid (DCMG) which is supplied by distributed battery energy storage system (BESS). With this approach, all units in the BESS can be controlled to discharge with accurate current sharing and state-of-charge (SoC) balancing. Similar other approaches used DCMGs, consists three levels: (1) primary control, (2) secondary (3) tertiary control. work includes defining unit error (UCE) at level evaluating weights level. A...
Considering the huge power consumption, rapid response and short-term heat reserving capacity of air conditioning load in building’s energy system, its system can be equivalent to virtual storage device for grid. Therefore, obtain a high matching building renewable load, accompanied by battery, was built paper. Then, operating strategies battery were designed. Further, quantize contribution improvement characteristics, two indicators demand side supply adopted, including on-site fraction...
Grid parity targets of wind and solar power are proposed in China Energy Development Strategy Action Plan 2014-2020. The paper intends to exam this proposal pinpoints factors that may influence the achievements these targets. method levelized cost electricity is adopted compare price trends wind, PV coal on utility?s transmission distribution grids. environmental coal-fired estimated accounted into comparison. Results show prices will decrease considerably during period Plan. Neither nor...
Both the sending end and receiving AC network of long distance HVDC systems are getting weaker weaker, with fast growing renewable energy penetration under "dual carbon" scenario. The inherent defect HVDC-commutation failure has become a more prominent problem. Controllable Line-Commutated Converter (CLCC) raised recently been proved to be effective eliminate commutation failure. This paper aims discuss dynamic performance CLCC in weak network. Firstly, circuit topology operation principle...
To enhance spectral efficiency, full frequency reuse has been adopted in advanced cellular communication networks, which, however, generates severe intercell cochannel interference and degrades the achievable rate at mobile terminals, particularly for those located near cell boundaries. Therefore, it is of great importance interest network operators service providers to evaluate understand impact locationdependent on data networks. In this paper, considering a realistic spatial distribution...