Results 11 to 20 of about 2,556 (266)

Coordinated Control Strategy of DC Fault Ride-through for the WF Connected to the Grid Through the MMC-HVDC

open access: yesFrontiers in Energy Research, 2021
Aiming at the problems of DC fault isolation and power surplus in the HVDC system with large-scale wind farm (WF) integration after single-pole grounding fault, this article designs a modified current transfer modular multilevel converter (M-CT-MMC ...
Bo Zhu   +5 more
doaj   +1 more source

DC fault ride through of multilevel converters [PDF]

open access: yes2016 IEEE Energy Conversion Congress and Exposition (ECCE), 2016
Modular Multilevel Converters (MMC) can provide significant advantages for power transmission applications, however there are remaining challenges trading off DC fault response, losses and controllability. Alternative multilevel converter topologies using combinations of full bridge and half bridge submodules or series switches allow for competitive ...
Geraint Chaffey   +4 more
openaire   +1 more source

Mechanical Switch Based Adaptive Fault Ride-through Strategy for Power Quality Improvement Device

open access: yesEnergies, 2021
Cascaded H-bridge power quality improving device (PQID) has garnered extensive attention for its flexible electric energy conversion and fast voltage response.
Yu Shen   +6 more
doaj   +1 more source

An Analytical Short-Circuit Current Calculation Method for Full-Power Wind Turbines under Complete Fault Ride-Through Processes [PDF]

open access: yesDianli jianshe
Accurate calculation of short-circuit current throughout the fault ride-through process of wind turbines is a critical prerequisite for the analysis and control of modern power systems.
YUAN Shuai, XIAO Jiaan, TAO Jun, CUI Haohan, CHAO Pupu, LI Weixing, A Minfu, WANG Liqiang, ZHONG Ming
doaj   +1 more source

Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters

open access: yesElectronics Letters, 2021
The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage.
Jingbo Zhao   +4 more
doaj   +1 more source

DC Fault Ride Through Coordinated Control of Wind Power Flexible Direct Grid Connection Based on Decentralized Energy Storage

open access: yes工程科学与技术, 2023
Modular multilevel converter based high voltage direct current technology (MMC–MTDC) using overhead lines is an effective solution to solve the grid connected consumption of high proportion and long-distance renewable energy.
Yinfeng SUN   +5 more
doaj  

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

Power oscillation coordination damping control strategy of DFIG for fault ride through after clearing the fault

open access: yesThe Journal of Engineering, 2019
Wind turbines should have fault ride through capability, and also it can provide damping for the power grid by improving the control strategy. However, the currently corresponding control strategy is designed independent for the fault voltage through ...
Haiyan Tang   +3 more
doaj   +1 more source

Transmission distribution coordination for DER fault ride through support

open access: yesEnergy Reports, 2022
Rapid renewable energy sources (RESs) deployments in transmission and distribution networks have changed power systems’ operation and control mechanisms.
Ha Thi Nguyen   +7 more
doaj   +1 more source

A DC Short-Circuit Fault Ride Through Strategy of MMC-HVDC Based on the Cascaded Star Converter

open access: yesEnergies, 2018
A modular multilevel converter based high voltage direct current (MMC-HVDC) with DC fault self-clearing is adopted to deal with the DC short-circuit fault.
Yingjie Wang   +4 more
doaj   +1 more source

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