Results 101 to 110 of about 5,131 (213)

Low voltage ride-through capability improvement methods for DFIG based wind farm

Journal of Electrical Systems and Information Technology, 2018
In this paper the low voltage ride-through (LVRT) capability enhancement of the DFIG based wind farm (WF) is accomplished by using of the existing series devices like the new bridge type fault current limiter (NBFCL), new solid-state fault current ...
Md Emrad Hossain
doaj   +1 more source

LVRT Reactive Current Index of Renewable Units Based on the Constraints of Transient Voltage

, 2022
The renewable power gathering system often presents the characteristics of a weak AC grid. And the voltage fluctuates greatly during the failure process.
Kuo WANG, Hui LIU
core   +1 more source

Transient Power-Angle Stability Analysis of Grid-Forming Energy Storage in Renewable Energy Stations Connected to a Remote Power Grid

Energies
The increasing penetration of renewable energy has made the transient stability of new power systems a critical concern. Grid-forming (GFM) energy storage can provide voltage and frequency support for renewable energy stations.
Xiaolu Chen, Xinyu Wang, Chunyu Xu, Shikun Zheng, Yanlin Wu, Zhe Yin, Xinyue Chen, Yonghui Liu   +7 more
doaj   +1 more source

Enhanced wind turbine generator fault ride‐through capability by using hybrid on‐load tap changer

IET Generation, Transmission & Distribution, 2020
Low‐voltage ride‐through (LVRT) compliance of wind energy conversion systems is one of the significant concerns for both the wind industry and the system operator.
Hazem Karbouj, Zakir Hussain Rather
doaj   +1 more source

A LVRT Technique Compensate Negative-sequence Reactive Power

, 2015
Inverter-based distributed generation and related power quality problems have received much attention in recent years. Low-voltage ride-through (LVRT) is becoming mandatory in low-voltage system due to both security requirement and power-quality ...
Teng, Da-jyun
core  

Simultaneous STATCOM and pitch angle control for improved LVRT capability of fixed-speed wind turbines [PDF]

, 2010
A robust multivariable controller with the objective of enhancing the low-voltage ride-through (LVRT) capability of wind farms with fixed-speed induction generators is presented in this paper.
Valeri A. Ugrinovskii, Ramos, Rodrigo A., Pota, Hemanshu R., Ugrinovskii, Valeri A., Jahangir Hossain, M., Pota, Hemanshu R, Ramos, Rodrigo A, Ougrinovski, Valeri A., Hemanshu R. Pota, M. Jahangir Hossain, Hossain, M. Jahangir, Hossain, M Jahangir, Rodrigo A. Ramos, Ugrinovskii, Valeri A   +13 more
core   +1 more source

Challenges and Solutions for LVRT Problem in DFIG Machines based Wind Turbines

, 2022
This paper discussed the challenges faced by the Wind energy systems based DFIG and LVRT problem existing techniques and compared the solutions from the stator side, rotor side and internal control techniques of DFIG.
MUNI PRAKASH (12453519)
core   +1 more source

Dynamic equivalent modeling method for offshore wind farms based on fault characteristic multi-layer clustering

Energy Reports
To effectively address the problem of low comprehensive simulation accuracy of dynamic equivalent models for offshore wind farms under diverse fault conditions, this paper proposes a dynamic equivalent modeling method for offshore wind farms based on cc (
Yankun Shi, Qianhao Sun, Chenxu Wang, Junchao Ma, Wen Hua, Yan Peng, Mingchao Xia   +6 more
doaj   +1 more source

Enhancing the HVRT and LVRT Capabilities of DFIG-based Wind Turbine in an Islanded Microgrid

, 2017
Doubly fed induction generator (DFIG) based wind turbines are very sensitive to grid voltage variations. Therefore, low-voltage-ride-through (LVRT) and high-voltage-ride-through (HVRT) capabilities are employed to improve DFIG performance during grid ...
Safaei, A., Hosseinian, S. H., Askarian Abyaneh, H.   +2 more
core   +1 more source

Impact of Grid Impedance on LVRT Performance of DFIG System With Rotor Crowbar Technology

IEEE Access, 2019
Nowadays, most of the doubly fed induction generators (DFIGs) are equipped with rotor crowbar for the requirement of low voltage ride through (LVRT). The crowbar resistance is an important parameter, and it is selected taking rotor overcurrent and dc ...
Zakiud Din, Jianzhong Zhang, Yaodong Zhu, Zheng Xu, Ahmed El-Naggar   +4 more
doaj   +1 more source