Hybrid MMC based multi-terminal DC/DC converter with minimized FBSMs ratio considering DC fault isolation [PDF]
, 2016 An isolated high-power multi-terminal DC/DC converter is studied in this paper, based on hybrid MMC configuration consisting of full-bridge submodules (FBSMs) and half-bridge submodules (HBSMs).
Chi, Yongning +5 more
core +1 more source
Journal of Modern Power Systems and Clean Energy, 2020 The high-voltage direct current (HVDC) grid has been recognized as an effective solution for renewable energy integration. Currently, two main development trends for HVDC grids are being studied: a DC breaker based HVDC grid and fault-blocking converter ...
Sheng Yan +4 more
doaj +1 more source
Design and DC fault clearance of modified hybrid MMC with low proportion of full‐bridge submodules
IET Generation, Transmission & Distribution, 2021 The hybrid modular multilevel converter (MMC) consisting of half bridge submodules (HBSMs) and full bridge submodules (FBSMs) combines the respective advantages of both submodules.
Yuzhe Xu, Zheren Zhang, Zheng Xu
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Prospects and Challenges of 4H-SiC Thyristors in Protection of HB-MMC-VSC-HVDC Converters
IEEE Open Journal of Power Electronics, 2021 Pole-to-pole DC faults on HB-MMC-VSC-HVDC schemes impose significant risk of cascade failure on IGBT/diode pairs. Other novel topologies with fault blocking capability, i.e. AAC converters, and DC circuit breakers are not yet fully matured.
Chengjun Shen +5 more
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A hybrid modular multilevel converter with novel three-level cells for DC fault blocking capability [PDF]
, 2015 A novel hybrid, modular multilevel converter is presented that utilizes a combination of half-bridge and novel three-level cells where the three-level cells utilize a clamp circuit which, under dc side faults, is capable of blocking fault current thereby
Fletcher, John E. +4 more
core +1 more source
High Voltage, 2018 A modular multilevel converter (MMC) is one of the promising voltage source converter topologies in the field of high-voltage direct current (HVDC) transmission.
Xiaofeng Yang +4 more
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Designing of a Simulation Tool for the Performance Analysis of Hybrid Data Center Networks (DCNs)
Complexity, 2021 Data center (DC) technology changes the mode of computing. Traditional DCs consist of a single layer and only have Ethernet connections among switches. Those old-fashioned DCs cannot fulfill the high resource demand compared with today’s DCs.
Muhib Ahmad +7 more
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Submodule configuration of HVDC-DC auto transformer considering DC fault [PDF]
, 2016 This paper studies the submodule configuration of MMC based non-isolated HVDC-DC autotransformer (HVDC-AT) with DC fault blocking capability, including two-terminal and multi-terminal topologies.
Chi, Yongning +6 more
core +1 more source
Modular multilevel converter composite submodule topology and control
The Journal of Engineering, 2019 The DC-side short-circuit fault suppression of modular multilevel converter (MMC) applied to DC transmission has been a technical problem. According to the different location of cutting off fault current, this study first analyses three possible ...
Jianpo Zhang, Chang Jiang, Yanan Han
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A Hybrid Three-Level ZVZCS Converter for Photovoltaic Power Connecting to MVDC Collection System
Energies, 2022 Compared with the medium voltage ac (MVAC) collection system, the medium voltage dc (MVDC) one for renewable energy sources has many advantages. High-power dc/dc converters are one of the key stages of the MVDC collection system to boost the voltage ...
Xiaokun He, Renjie Hu, Wu Chen
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