Results 61 to 70 of about 235 (103)
The Journal of Engineering, 2019 Recently, there has been significant interest in developing the modular multilevel converter (MMC) based DC grids in the power industry. However, the immature DC circuit breaker (DCCB) technology hampers the development of DC grids in overhead lines ...
Binye Ni +4 more
doaj +1 more source
Engineering Reports, Volume 8, Issue 6, June 2026.Typical configuration of Huangshan Scenic Area. ABSTRACT To cope with the supply and demand imbalance challenge caused by the surge in energy demand in tourism‐intensive areas and the high volatility of renewable energy, this paper aims to construct a collaborative scheduling optimization model based on graph neural networks (GNNs). The model abstracts
Lixia Wang
wiley +1 more source
Electromagnetic Modelling of Power Transformers with DC Magnetization [Elektronisk resurs]
, 2012 DC currents that flow through the ground can be injected to the star windings of power transformers from their grounded neutral points and close their path with transmission lines.
Engdahl, Göran, +2 more
core
Electromagnetic Modelling of Power Transformers with DC Magnetization
, 2012 DC currents that flow through the ground can be injected to the star windings of power transformers from their grounded neutral points and close their path with transmission lines.
Mousavi, Seyed Ali
core
Design and validation of a novel semiconductor area optimised 3300 V SiC half bridge for MMC
IET Power ElectronicsThis article presents the design and experimental validation of a novel semiconductor area optimised 3300 V half bridge with Silicon Carbide (SiC) MOSFETs for HVDC converters. Based on a loss simulation, the problem statement is provided. On this results,
Lukas Bergmann, Mark‐M. Bakran
doaj +1 more source
Fault response comparison of LCC–MMC hybrid topologies and conventional HVDC topology
The Journal of Engineering, 2018 The modular multilevel converter (MMC) can be used to upgrade conventional line commutated converter-based HVDC systems (LCC-HVDC), construct the hybrid topologies of LCC and MMC to acquire better fault responses.
Boliang Lou +4 more
doaj +1 more source
The Journal of Engineering, 2019 Reducing the power loss and handling short-circuit faults in HVDC systems are crucial for economical and reliable operation of modular multilevel converters (MMC). This paper proposes a loss reduction method for AC voltage-boosted FBSM-MMC by controlling
Muchao Xiang, Jiabing Hu, Zhiyuan He
doaj +1 more source
Calculation method for equivalent model of AC filters in HVDC transmission system
The Journal of Engineering, 2019 AC filter is an important part of HVDC system, which can restrain the AC-side harmonics effectively and compensate for the reactive power consumed by converter station.
Lv Wentao +4 more
doaj +1 more source
Comparison of DC linear and non-linear models for multi-terminal VSC HVDC networks
The Journal of Engineering, 2019 The analysis and control design of multi-terminal VSC-HVDC systems requires a linearised model of these inherently non-linear systems. This paper develops such a model, from converter to multi-terminal system, discusses the key concepts and shows its use
Jesus Carmona-Sanchez +3 more
doaj +1 more source
IET Generation, Transmission & DistributionThe future multi‐terminal direct‐current (MTDC) grid will require the interconnection of point‐to‐point high‐voltage (HV) DC links with different specifications such as DC voltage level, system grounding configuration and HVDC technology.
Ghazala Shafique +5 more
doaj +1 more source