Results 41 to 50 of about 2,565 (167)

Advanced Fault Ride-Through Strategy by an MMC HVDC Transmission for Off-Shore Wind Farm Interconnection

Applied Sciences, 2019
In order to solve the problems brought upon by off-shore wind-power plants, it is important to improve fault ride-through capability when an on-shore fault occurs in order to prevent DC overvoltage.
Junghun Lee, Yeuntae Yoo, Minhan Yoon, Gilsoo Jang   +3 more
doaj   +1 more source

Modeling of Photovoltaic Power Generation Systems Considering High- and Low-Voltage Fault Ride-Through

Frontiers in Energy Research, 2022
The photovoltaic power station has a good development prospect because it can realize concentrated and efficient utilization of solar energy. Considering the detail model of the photovoltaic power station has a power electronic device with a high ...
Xian Xu, Hualing Han, Haifeng LI, Wenjun Zhou, Jie Li, Ning Chen   +5 more
doaj   +1 more source

A DC fault ride-through and energy dissipation scheme for hybrid MMC-MTDC integrating wind farms with overhead lines

The Journal of Engineering, 2019
To integrate bulk wind power, using modular multilevel converter (MMC) based DC grids is an effective solution to improve the flexibility and reliability of the power grid.
Shuai Cao, Wang Xiang, Xiaojun Lu, Weixing Ling, Jinyu Wen   +4 more
doaj   +1 more source

Study on fault ride-through control of islanded wind farm connected to VSC-HVDC grid based on the VSC converter AC-side bus forced short circuit

The Journal of Engineering, 2019
Wind farms integrated to an AC power system through a voltage source converter-based high-voltage direct current system (VSC-HVDC) are viewed as islanded wind farms. The wind farm side converter of VSC-HVDC maintains a constant frequency of the wind farm
Yan Li, Chao Liu, Xinshou Tian, Zhibing Wang   +3 more
doaj   +1 more source

Augmentation of DFIG and PMSG Wind Turbines Transient Performance Using Different Fault Current Limiters

Energies, 2022
The technology of variable speed wind turbines is very promising in renewable power generation. It is imperative for wind turbines to gain control after grid disturbances and contribute to the stability of power grids as part of the requirements of grid ...
Kenneth E. Okedu
doaj   +1 more source

A lightweight MMC topology with recombined half‐bridge submodules for DC fault ride‐through

IET Generation, Transmission & Distribution
The lightweight of modular multilevel converter (MMC) and the DC faults ride‐through ability are main challenges for MMC‐high voltage direct current (HVDC) transmission systems.
Yutao Xu, Zhukui Tan, Jikai Li, Qihui Feng, Zhuang Wu   +4 more
doaj   +1 more source

Dynamic active torque coordination strategy for torsional vibration suppression in wind turbines during grid fault recovery

International Journal of Electrical Power & Energy Systems
When the grid fault occurs, wind turbines are required to possess fault ride-through (FRT) capability and rapidly restore active power after fault clearance.
Cai Guang, Yan Xiangwu, Zhang Shurui, Ren Haoyang, Jia Jiaoxin, Zhou Fan   +5 more
doaj   +1 more source

A novel FRT strategy for transformerless MMC to improve current differential protection performance under single-phase grounding faults

International Journal of Electrical Power & Energy Systems
AC/DC distribution networks are interconnected by converters such as modular multilevel converters (MMCs). In AC/DC distribution networks, single-phase grounding (SPG) faults can cause enormous challenges in relay protection.
Yuze Li, Peng Guo, Qianming Xu, Josep M. Guerrero   +3 more
doaj   +1 more source

A Black Box Doubly Fed Wind Turbine Electromechanical Transient Structured Model Fault Ride-Through Control Identification Method Based on Measured Data

Applied Sciences
With the increasing proportion of grid-connected capacity of new energy units, such as wind power and photovoltaics, accurately constructing simulation models of these units is of great significance to the study of new power systems.
Xu Zhang, Shenbing Ma, Jun Ye, Lintao Gao, Hui Huang, Qiman Xie, Liming Bo, Qun Wang   +7 more
doaj   +1 more source

Incorporating Modern Fault Ride-Through Standards into the Short-Circuit Calculation of Distribution Networks. [PDF]

Sensors (Basel), 2023
Pompodakis EE, Katsigiannis Y, Karapidakis ES.   +2 more
europepmc   +1 more source