Results 11 to 20 of about 2,852 (242)

Research on Voltage Stability of Grid-Connected Photovoltaic System Based on Double-Side Voltage Feedback Control

open access: yesZhongguo dianli, 2022
In terms of the problem that the grid-connected photovoltaic DC system is unstable during low voltage ride through (LVRT), an improved double-side voltage control strategy is proposed.
Fei XUE   +3 more
doaj   +1 more source

Probabilistic Short-Circuit Current in Active Distribution Networks Considering Low Voltage Ride-Through of Photovoltaic Generation

open access: yesIEEE Access, 2019
The probabilistic short-circuit current (PSCC) of photovoltaic generation is determined by the voltage sag at the grid connection and the low voltage ride-through of the unit during the grid fault, while the voltage sag and the low voltage ride-through ...
Weiyan Qian   +5 more
doaj   +1 more source

On the Conflict between LVRT and Line Protection in LV Distribution Systems with PVs: A Current-Limitation-Based Solution

open access: yesEnergies, 2019
The upcoming adoption of low-voltage-ride-through requirements in low-voltage distribution systems is expected to raise significant challenges in the operation of grid-tied inverters.
Aristotelis Tsimtsios   +4 more
doaj   +1 more source

Low Voltage Ride Through einer synchrongeneratorbasierten Windkraftanlage

open access: yes, 2022
Due to the increased power penetration level of wind energy, wind turbines are now system-relevant components of the power supply. To ensure grid stability, especially during a symmetrical or asymmetrical voltage dip, wind turbines must provide low voltage ride through (LVRT) capability with simultaneous dynamic voltage support ability by feeding ...
openaire   +2 more sources

Research on low voltage ride through characteristics of distributed photovoltaic system

open access: yesEnergy Reports, 2023
The model of distributed PV is constructed firstly, then the characteristics of distributed PV are studied and the electromechanical transient current equations are given.
Yuhong Zhang   +5 more
doaj   +1 more source

Fault Ride Through approach for Grid-Connected Photovoltaic System

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
This paper presents a fault ride-through approach for grid-connected photovoltaic (PV) systems, aimed at improving the system's response during voltage sags and limiting the maximum inverter current during symmetrical faults.
Komal Bai   +2 more
doaj   +1 more source

Control Strategy for Potential Vector Remolding Fault Ride-through in Grid-forming MMC [PDF]

open access: yesDianli jianshe
[Objective] The operational characteristics of the grid-forming modular multilevel converter (MMC) in offshore wind power transmission systems under short-circuit faults in the receiving-end grid are unclear, and the interaction mechanism between fault ...
FANG Chaoxiong, TANG Yuchen, LIN Yi, SHEN Hao, PAN Chao, BIAN Xiaoyan, ZHAO Jinbin
doaj   +1 more source

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

open access: yesEnergies, 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   +5 more
doaj   +1 more source

Doubly Fed Induction Generator Low Voltage Ride Through Improvement Through Modular Multilevel Converter

open access: yesIEEE Access, 2022
This paper proposes a novel fault current suppression method for doubly fed induction generator (DFIG) low voltage ride through (LVRT) improvement employing modular multilevel converter (MMC).
Victor Ramon F. B. De Souza   +3 more
doaj   +1 more source

LVRT Control Strategy for Asymmetric Faults of DFIG Based on Improved MPCC Method

open access: yesIEEE Access, 2021
In the case of asymmetric fault, the modern new power grid requires that the doubly-fed induction generator (DFIG) still has good low voltage ride-through (LVRT) capabilities. To solve this problem, a low voltage ride-through control strategy based on an
Can Ding, Yunwen Chen, Taiping Nie
doaj   +1 more source

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