Results 11 to 20 of about 2,556 (266)
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
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DC fault ride through of multilevel converters [PDF]
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
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Mechanical Switch Based Adaptive Fault Ride-through Strategy for Power Quality Improvement Device
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
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An Analytical Short-Circuit Current Calculation Method for Full-Power Wind Turbines under Complete Fault Ride-Through Processes [PDF]
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
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Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters
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
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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]
[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
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
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Transmission distribution coordination for DER fault ride through support
Rapid renewable energy sources (RESs) deployments in transmission and distribution networks have changed power systems’ operation and control mechanisms.
Ha Thi Nguyen +7 more
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A DC Short-Circuit Fault Ride Through Strategy of MMC-HVDC Based on the Cascaded Star Converter
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

