Results 41 to 50 of about 1,240 (203)

The transient instability mechanism and stability‐enhanced LVRT control for VSC riding‐through severe grid voltage sag

IET Renewable Power Generation, 2023
As the grid‐connected interface device of wind and photovoltaic power generation, the voltage source converter (VSC) must pass the low voltage ride‐through (LVRT) test. However, existing literature demonstrates that under weak grid conditions, there is a
Huiqiang Sun, Xinchun Lin, Guangzhou Huang, Jiayan Zhang, Dan Liu, Kezheng Jiang, Yong Kang   +6 more
doaj   +1 more source

Low-Voltage Ride Through Strategy for MMC With Y₀/Y₀ Arrangement Transformer Under Single-Line-to-Ground Fault

IEEE Access, 2021
In the offshore wind farm high-voltage direct-current (HVDC) system, the power delivery capability of the onshore modular multilevel converter (MMC) decreases severely under grid fault, which makes the DC-bus voltage increase rapidly and threatens the ...
Xiaohe Wang, Xu Cai, Qing Chen, Bin Lin, Rui Xie   +4 more
doaj   +1 more source

Research and Application of Low Voltage Ride through (LVRT) and the Power Grid Adaptability Testing Device for Frequency Converter

Journal of Physics: Conference Series, 2019
Abstract In order to study the response characteristics of converters applied in the field of renewable power integration and motor speed regulation when grid fault appears, the traditional LVRT schemes and effects of converters are analyzed, and the integrated design of AC and DC sources scheme based on power electronics technology is ...
Xu Zaide, Liu Yang, Xu Jingmin, Xiao Qi, Zhu Zhijie   +4 more
openaire   +1 more source

Augmentation of Low Voltage Ride through (LVRT) Capability using ANN based electric spring for a Grid-tied Wind Energy Conversion System

IOP Conference Series: Materials Science and Engineering, 2021
Abstract Electric Spring (ES) is an innovative approach for distributed voltage control (DVC) whereas at the same time accomplishing nominal demand-side management (DSM) technique for continuously varying renewable energy sources. In order to demonstrate the efficiency of ES when deployed in enormous quantities across the grid-connected ...
M.D. Udayakumar, A. Saradha Devi, E. Raja, A Nazar Ali, Albert Alexander Stonier   +4 more
openaire   +1 more source

Enabling LVRT Compliance of Electrolyzer Systems Using Energy Storage Technologies

Batteries, 2023
This paper presents a comprehensive techno-economic analysis of different energy storage systems (ESSs) in providing low-voltage ride-through (LVRT) support for power electronics-based electrolyzer systems.
Pankaj Saha, Weihao Zhao, Daniel-Ioan Stroe, Florin Iov, Stig Munk-Nielsen   +4 more
doaj   +1 more source

LVRT Control Strategy For DC Microgrids Considering the Characteristics of PV/Storage/Load

Zhongguo dianli, 2019
Low voltage ride-through (LVRT) of grid-connected DC microgrid has been driving academic attentions. Firstly, the structure and operation principle of DC microgrids are developed to obtain the analytical expression of DC bus voltage.
Yan LI, Zhan WANG, Xun HUANG, Huiyuan ZHANG, Darui HE   +4 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

Fault Ride-Through Control Strategy for Variable Speed Pumped Storage Unit with Full-Size Converter

Applied Sciences
Fault ride-through is a prerequisite for ensuring continuous operation of a variable-speed pumped storage unit with a full-size converter (FSC-VSPU) and providing support for the renewable energy and power grid.
Huabo Shi, Lijie Ding, Xueyang Zeng, Yuhong Wang, Pengyu Pan, Gang Chen, Yangtao Liu, Jianquan Liao   +7 more
doaj   +1 more source

Mode switching DFIG for low voltage ride through

, 2011
With the rapid development of world-wide wind energy generation using doubly fed induction generations (DFIGs), low voltage ride through (LVRT) has become a great concern.
Vilathgamuwa, D. Mahinda, Wei, Feng, Feng Wei, D. M. Vilathgamuwa   +3 more
core   +1 more source

A statistical evaluation of the capability of distributed renewable generator-energy-storage system in providing load low-voltage ride-through

, 2015
The capability of a distributed renewable generator (DRG) in providing load low-voltage ride-through (LVRT) is examined. The harnessed renewable power, load demand, and the occurrences of low-voltage incidents are treated as random variables.
Vilathgamuwa, D. Mahinda, Saadat, N., Saadat, Nima, Choi, San Shing, Vilathgamuwa, D.   +4 more
core   +1 more source