Results 41 to 50 of about 266,617 (137)
Mixed cells modular multilevel converter [PDF]
, 2014 This paper uses a scaled down version of the mixed cells modular multilevel converter (MMC) to discuss its modulation and capacitor voltage balancing method, and investigates its AC and DC fault ride-through capability.
Adam, G. P., Ahmed, K.H., Williams, B.W.
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Reliability Assessment of Conventional Isolated PWM DC-DC Converters
IEEE Access, 2021 This paper sets forth the reliability analysis of conventional isolated pulse width modulation DC-DC (IDC-DC) converters. The IDC-DC converters are categorized into isolated single-switch DC-DC (ISSDC-DC) or multiple-switch DC-DC (IMSDC-DC) converters ...
Hadi Tarzamni +6 more
doaj +1 more source
Optimal Traffic Splitting Policy in LTE-based Heterogeneous Network
, 2017 Dual Connectivity (DC) is a technique proposed to address the problem of increased handovers in heterogeneous networks. In DC, a foreground User Equipment (UE) with multiple transceivers has a possibility to connect to a Macro eNodeB (MeNB) and a Small ...
Karandikar, Abhay +2 more
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DC/DC converters based on hybrid MMC for HVDC grid interconnection [PDF]
, 2015 This paper presents a multi-terminal high-power DC/DC converter configuration based on hybrid MMC topology with fault blocking capability for interconnecting HVDC systems.
Xu, Lie, Yao, Liangzhong, Zeng, Rong
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Reduced DC circuit breaker requirement on mixed converter HVDC networks [PDF]
, 2015 © 2015 IEEE.Recently proposed meshed HVDC networks include both converters and DC circuit breakers, and the fault currents experienced and therefore the capacity requirement of circuit breakers are dependent on the topology of converters used on the ...
Chaffey, G, Green, TC
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DC nanogrid for renewable sources with modular DC/DC LLC converter building block
IET Power Electronics, 2017 Centralised electricity systems are being integrated by a multitude of small distributed generation clusters, called nanogrids, capable of ensuring full utilisation of renewable energy sources, high flexibility, efficiency and improved reliability of the power grid due to redudancy. In this study, small photovoltaic plants combined
Cecati, Carlo +4 more
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Pre-charging and DC fault ride-through of hybrid MMC based HVDC systems [PDF]
, 2015 Compared to half-bridge based MMCs, full-bridge based systems have the advantage of blocking dc fault, but at the expense of increased power semiconductors and power losses.
Morrow, D John +3 more
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Microwave switching power divider [PDF]
, 1981 A pair of parallel, spaced-apart circular ground planes define a microwave cavity with multi-port microwave power distributing switching circuitry formed on opposite sides of a thin circular dielectric substrate disposed between the ground planes.
Johnson, R. W., Stockton, R. J.
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DC-SIGN promotes Japanese encephalitis virus transmission from dendritic cells to T cells via virological synapses. [PDF]
, 2017 Skin-resident dendritic cells (DCs) likely encounter incoming viruses in the first place, and their migration to lymph nodes following virus capture may promote viral replication.
A Mathur +29 more
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IEEE AccessThe rapid growth in HVDC (High Voltage Direct Current) grids has shown the falls of point-to-point connections. Several challenges such as the requirement of DC (Direct Current) fault blocking capability, interfacing of different grounding schemes ...
Mohamed Mansour +4 more
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