Results 31 to 40 of about 44,201 (267)

Evaluation and Improvement of Security and Stability of Jiangsu Receiving-End Power Grid with Hybrid Multi-Infeed DC

Zhongguo dianli, 2021
The hybrid infeed DC system usually refers to a hybrid infeed DC system with line commutated converter (LCC) and modular multilevel converter (MMC). At present, the hybrid multi-infeed DC system with multiple DC terminal locations has been adopted in ...
Zhiguang HUANG, Lu CAO, Jianhua LI, Junli ZHANG, Guoteng WANG, Zheng XU   +5 more
doaj   +1 more source

Strategic Framework for New Electric Power System Development under the Energy Security Pattern

中国工程科学, 2023
The construction of a new electric power system is the key path to achieve the carbon peaking and carbon neutrality goals and ensure energy transition security.
Tang Guangfu , Zhou Jing , Pang Hui , Lin Junjie , Fan Zheng , Wu Yanan , He Zhiyuan , Ma Shicong , Xue Feng , Zhou Baorong   +9 more
doaj   +1 more source

Research on key technologies in ±1100 kV ultra-high voltage DC transmission

High Voltage, 2018
Based on completely mastering ±800 kV transmission technologies, the first ±1100 kV direct current (DC) transmission demonstration project is being constructed in China.
Zehong Liu, Fuxuan Zhang, Jun Yu, Keli Gao, Weimin Ma   +4 more
doaj   +1 more source

Grid-Connected Adaptive Analysis and Control of the DC Wind Turbine Under the Grid-Side Transient Faults

IEEE Access, 2023
The grid-side transient fault ride-through problem seriously affects the stable operation of the grid-connected wind turbine. At present, the grid-connected adaptability analysis of DC wind turbine (DCWT) under the grid-side transient faults is still a ...
Zhanlong Li, Haiyang Han, Haiyun Wang, Qita Feng   +3 more
doaj   +1 more source

A Simplified Control Method for Tie-Line Power of DC Micro-Grid

Energies, 2018
Compared with the AC micro-grid, the DC micro-grid has low energy loss and no issues of frequency stability, which makes it more accessible for distributed energy. Thus, the DC micro-grid has good potential for development.
Yanbo Che, Jinhuan Zhou, Tingjun Lin, Wenxun Li, Jianmei Xu   +4 more
doaj   +1 more source

Control strategy of doubly-fed induction generator during the grid voltage swell

The Journal of Engineering, 2018
This study firstly derives the relationship between the grid voltage and the rotor current of doubly-fed induction generator (DFIG) during the grid voltage swell.
Zou Le, Wu Xueguang, Kou Longze, Liu Dong, Li Fangyuan, Han Mingxiao   +5 more
doaj   +1 more source

Electric Vehicle Battery Charging Station based on Bipolar dc Power Grid with Grid-to-Vehicle, Vehicle-to-Grid and Vehicle-to-Vehicle Capabilities

EAI Endorsed Transactions on Energy Web, 2023
An electric vehicle (EV) battery charging station (EV-BCS) based on a bipolar dc power grid is presented in this paper, which is capable of delivering power to the grid (vehicle-to-grid – V2G mode), and directly exchange power between different EVs ...
Tiago J. C. Sousa, Vítor Monteiro, Sérgio Coelho, Luís Machado, Delfim Pedrosa, João L. Afonso   +5 more
doaj   +1 more source

An improved decentralized control strategy for a PV hybrid energy storage system in an LVDC microgrid

Frontiers in Energy Research
This paper introduces an improved decentralized control strategy for a photovoltaic (PV) hybrid energy storage (HES) system (HESS) in a DC microgrid. The power sharing method of the HES system is discussed in depth.
Jianbiao Li, Jianbiao Li, Yong Chen, Yong Chen, Yue Wu, Xu Cheng, Xu Cheng, Ruixiong Yang, Ruixiong Yang   +8 more
doaj   +1 more source

Simulation Initialization Method for AC/DC Hybrid Power Grid

Zhongguo dianli, 2022
In order to improve the initialization stability and convergence speed of large-scale AC / DC hybrid power grid, the artificial neural network is used to fit its complex impedance, harmonic, and control characteristics, and then nested into the three ...
Zhijun E, Zhenbin LI, Bangyu YANG, Wei LIU, Weiping YAO   +4 more
doaj   +1 more source

The Optimal Acoustic Measurement Point Selection for UHV Reactors in Substations Based on Equivalent Impedance and Information Entropy Theory

IEEE Access
The operation of an Ultra-High Voltage (UHV) shunt reactor generates significant acoustic signals containing crucial information. To accurately assess the various acoustic parameters of ultra-high voltage shunt reactors, it is crucial to establish an ...
Yingwen Li, Zhen Wei, Huilian Liao, Lin Li, Peizhong Zhang, Jingyun Zhao   +5 more
doaj   +1 more source