Results 1 to 10 of about 76 (75)

Research on HIL-based HVRT and LVRT automated test system for photovoltaic inverters

Energy Reports, 2021
As an important capability of the photovoltaic grid-connected inverter, high voltage ride-through (HVRT) and low voltage ride-through (LVRT) capability are related to the stability of the whole power grid system.
Fei Li, Mengtao Liu, Yingfeng Wang, Xing Zhang   +3 more
doaj   +1 more source

Implementation Strategy of Test Facility Based on Auto-Transformer for LVRT/HVRT Evaluation of Large-Scale Wind Turbine

Energies, 2023
In accordance with South Korea’s recent 2030 Carbon Neutral Plan, an 8GW offshore wind farm is planned for construction in the South-west Sea. Therefore, it is expected that large-scale wind turbines will be installed, and these turbines must operate ...
Byungki Kim, Yang-Hyun Nam, Kyung-Sang Ryu, Dae-Jin Kim   +3 more
doaj   +1 more source

High Voltage Ride through Strategy of Wind Farm Considering Generator Terminal Voltage Distribution

Applied Sciences, 2021
When wind power is transmitted via high-voltage direct current (HVDC), the problem of high-voltage ride-through (HVRT), caused by direct-current (DC) blocking must be seriously taken into account.
Yanhui Qin, Zeyu Cao, Zhichao Yang, Bingtuan Gao, Xuetao Dong   +4 more
doaj   +1 more source

Control Strategy and Parameter Optimization Based on Grid Side Current Dynamic Change Rate for Doubly-Fed Wind Turbine High Voltage Ride Through

Energies, 2022
High voltage ride through (HVRT) control strategies for doubly-fed induction wind turbines (DFIG) have mostly focused on the rotor side converter, while the reactive power compensation capability of the grid side converter and the impact of grid side ...
Jun Deng, Zhenghao Qi, Nan Xia, Tong Gao, Yang Zhang, Jiandong Duan   +5 more
doaj   +1 more source

Transient Behavior Analysis of Microgrids in Grid-Connected and Islanded Modes: A Comparative Study of LVRT and HVRT Capabilities

Clean Technologies, 2023
Microgrids, with integrated PV systems and nonlinear loads, have grown significantly in popularity in recent years, making the evaluation of their transient behaviors in grid-connected and islanded operations paramount.
Abrar Shahriar Pramanik, Saeed Sepasi
doaj   +1 more source

Development of HVRT and LVRT Control Strategy for PMSG-Based Wind Turbine Generators

Energies, 2020
Various challenges are acknowledged in practical cases with high wind power penetration. Fault ride-through (FRT) capability has become the most dominant grid integration requirements for the wind energy conversion system worldwide. The high voltage ride-
Liang Yuan, Ke Meng, Jingjie Huang, Zhao Yang Dong, Wang Zhang, Xiaorong Xie   +5 more
doaj   +1 more source

Multi-Mode Voltage Sag/Swell Generator Based on Three-Phase Inverter Circuit

Energies, 2021
The voltage ride through capability of the major auxiliary variable-frequency drive (VFD) in large thermal power plants is the key technical issue of power grid and source coordination.
Qiguo Han, Xing Wang, Pengfei Hu, Maolin Wang, Xu Luo, Weihua Hou   +5 more
doaj   +1 more source

Influence of Converter DC Bus Overvoltage on Wind Turbine High Voltage Ride Through Capabilities

Zhongguo dianli, 2020
Off-grid occurred in a wind farm caused by converter fault during field test of the DFIG (doubly feed induction generator) high voltage ride through (HVRT) capabilities.
Guangru ZHANG, Runqing BAI, Hongyi ZHU, Yong YANG, Honglei XU, Xiping MA, Kaisong DONG   +6 more
doaj   +1 more source

A model predictive control strategy for enhancing fault ride through in PMSG wind turbines using SMES and improved GSC control

Frontiers in Energy Research, 2023
Wind energy has emerged as a prominent player in the realm of renewable energy sources, both in terms of capacity and technological adaptability. Among the various renewable energy technologies, wind turbine generators stand out as the most widely ...
Sobhy M. Abdelkader, Sobhy M. Abdelkader, Ernest F. Morgan, Tamer F. Megahed, Tamer F. Megahed, Wesam Rohouma, Omar Abdel-Rahim, Omar Abdel-Rahim   +7 more
doaj   +1 more source

Partial Power Conversion and High Voltage Ride-Through Scheme for a PV-Battery Based Multiport Multi-Bus Power Router

IEEE Access, 2021
With the development of renewable energy technology, distributed power supply mode with multi energy and multi-directional power flow including utility grid, renewable energy and energy storage unit has gradually become a research hotspot.
Yanping Zhu, Yakun Wang, Jiaxun Teng, Xiaofeng Sun, Meng Qi, Wei Zhao, Xin Li   +6 more
doaj   +1 more source