Results 91 to 100 of about 7,394 (245)

Power Control Flexibilities for Grid-Connected Multi-Functional Photovoltaic Inverters [PDF]

, 2016
This study explores the integration issues of next-generation high-penetration photovoltaic (PV) systems, where the grid is becoming more decentralised and vulnerable.
Blaabjerg, Frede, Simoes, Marcelo, Wang, Huai, Yang, Yongheng   +3 more
core   +2 more sources

Estimation of Positive‐, Negative‐, and Zero‐Sequence Current and Voltage Phasors of UIPC VSCs for Short‐Circuit Faults in Transmission Lines

Engineering Reports, Volume 7, Issue 2, February 2025.
1. Presenting a phasor estimation model for 72‐pulse converters of UIPC device based on artificial neural networks. 2. Using the data of a single terminal to estimate for various types of short circuits on both sides of UIPC. 3. No need for a predetermined threshold value to detect the fault side around UIPC. 4.
Babak Bahadori, Ali Nahavandi, Mahyar Abasi   +2 more
wiley   +1 more source

Research on the Technology of Low Voltage Ride-through for Grid-connected Photovoltaic Inverter

Kongzhi Yu Xinxi Jishu, 2013
It analyzes the current commonly used LVRT (low voltage ride-through) solutions, presents a new LVRT SPLL (software phase locked loop) technique which is simpler and faster, and designs a grid-connected PV (photovoltaic) inverter based on the SPLL ...
WANG Nan, CHEN Yifeng, WU Hengliang
doaj  

Low-voltage ride-through control strategy for permanent magnet synchronous generator under weak grid

Diance yu yibiao
In order to improve the low-voltage ride-through（LVRT）capability of permanent magnet synchronous generator（PMSG）under weak grid, this paper proposes a low-voltage ride-through control strategy for power support and auxiliary protection of unloading ...
CHEN Zhong, DING Linzhi, GU Chunsong
doaj   +1 more source

Minimising the impact of disturbances in future highly-distributed power systems [PDF]

, 2017
It is expected that future power systems will require radical distributed control approaches to accommodate the significant expansion of renewable energy sources and other flexible grid devices.
Belloni, F.R., Blair, S.M., Burt, G.M., Hänninen, S., Kedra, B., Kosmecki, M., Lof, A., Lüers, B., Merino, J., Pala, D., Temiz, A., Valov, M.   +11 more
core   +1 more source

Low-Voltage Ride-Through Strategy to Doubly-Fed Induction Generator with Passive Sliding Mode Control to the Rotor-Side Converter

Energies
The doubly-fed induction generator (DFIG) is vulnerable to overcurrent at the stator winding and overvoltage at the DC link due to voltage drop after the grid fault.
Jiayin Xu, Peiru Feng, Junwei Gong, Shenghu Li, Guifen Jiang, Hao Yang   +5 more
semanticscholar   +1 more source

Frequency‐Power Coupling Dynamic Response and Regulation Characteristics of Variable Speed Pumped Storage Unit With Full‐Size Converter

Energy Science &Engineering, Volume 13, Issue 2, Page 811-832, February 2025.
Water diversion system of the variable speed pumped storage unit with full‐size converter. ABSTRACT This paper aims to study the frequency‐power coupling dynamic response and regulation characteristics of a variable speed pumped storage unit (VSPSU) with full‐size converter (FSC).
Yanhao Li, Kedong Shu, Wencheng Guo
wiley   +1 more source

Study on Low Voltage Ride Through for Direct-drive VSCF Wind Power System

Kongzhi Yu Xinxi Jishu, 2010
New grid regulation brings forward the requirements on wind turbines for having Low Voltage Ride Through(LVRT)capability and supplying reactive power compensation to the grid during voltage sag prcoess.
张宪平
doaj  

Comparative analysis of metaheuristic algorithms-based control for enhancing low voltage ride through in grid-connected photovoltaic systems

Ain Shams Engineering Journal
This paper aims to investigate the improvement of the low voltage ride-through (LVRT) in grid-connected photovoltaic (PV) systems by applying the Gold Rush Optimization (GRO) algorithm to design system PI controllers.
Yasmin GH. Mousa, Tarek S. Abdelsalam, Hany M. Hasanien, Zia Ullah, Abdulaziz Alkuhayli, Mohamed Mokhtar   +5 more
doaj   +1 more source

A Novel Low Voltage Ride-Through Technique of Three-Phase Grid-Connected Inverters Based on a Nonlinear Phase-Locked Loop

IEEE Access, 2019
In this paper, a novel low voltage ride-through (LVRT) technique for three-phase grid-connected inverters is proposed. The proposed technique consists of two parts: a nonlinear phase locked loop based on complex-coefficient filters (NLCCF-PLL) and an ...
Guangyu Sun, Yongli Li, Wei Jin, Song Li, Yan Gao   +4 more
doaj   +1 more source