Results 61 to 70 of about 235 (103)
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
Engineering Reports, Volume 8, Issue 4, April 2026.In this work, we investigate a lightweight HVDC converter topology that combines the strengths of line‐commutated converters (LCC) and full‐bridge modular multilevel converters (MMC) to address the high cost and large footprint of conventional HVDC stations.
Yang Wang +7 more
wiley +1 more source
IET Power ElectronicsTo solve the commutation failure (CF) issues in high voltage direct current (HVDC) transmission systems based on line commutated converter (LCC), this paper proposes a hybrid solution combining the LCC inverter with the continuously controlled IGCT‐based
Yindi Liu +3 more
doaj +1 more source
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 Renewable Power GenerationThe flexible interconnection device (FID) offers significant advantages for interconnecting different distribution networks flexibly. This paper focuses on the significant advantages offered by the FID for interconnecting different distribution networks ...
Peiqian Guo +5 more
doaj +1 more source