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Hybrid DC circuit breaker with coupled inductor for automatic current commutation

Xiaoze Pei, Alexander Smith, Oliver Cwikowski, Mike Barnes

Sep 30, 2020

HVDC transmission systems using voltage source converters (VSC-HVDC) have been identified as an attractive solution for bulk power delivery over long distance. However if DC grids are to be built using this technology, fast DC...

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Hybrid DC circuit breaker with coupled inductor for automatic current commutation

Xiaoze Pei, Alexander Smith, Oliver Cwikowski, Mike Barnes

Sep 30, 2020

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Alexander Bearn, 1975

The Rockefeller University

Jan 01, 0001

Alexander G. Bearn. The expression of inherited metabolic disease in cultured cells Lecture delivered February 20, 1975 Posted with permission

Hurler syndrome Hunter syndrome Cystic Fibrosis

Published by: Academic Press

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Design and Experimental Tests of a Superconducting Hybrid DC Circuit Breaker

Xiaoze Pei, Oliver Cwikowski, Alexander C. Smith, Mike Barnes

Apr 01, 2018

Direct current (DC) circuit breakers are a key enabling technology for fault management in multiterminal high-voltage DC (HVDC) systems. DC fault isolation is challenging due to the high rate of rise of the fault current and...

DC circuit breaker hybrid circuit breaker magnesium diboride mechanical switch MgB2 semiconductor switch superconducting coil

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Design and Experimental Tests of a Superconducting Hybrid DC Circuit Breaker

Xiaoze Pei, Oliver Cwikowski, Alexander C. Smith, Mike Barnes

Apr 01, 2018

DC circuit breaker hybrid circuit breaker magnesium diboride mechanical switch MgB2 semiconductor switch superconducting coil

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Editorial

Alexander Ball

Jun 10, 2015

Alexander Ball, Production Editor, introduces Volume 10, Issue 1 (2015) of the International Journal of Digital Curation.

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Integration of Superconducting Fault Current Limiter and DC Circuit Breaker for Electric Aircraft DC Network

Jiawen Xi, Zhongying Wang, Jintao Hu, Xianwu Zeng, Emelie Nilsson, Ludovic Ybanez, Jean Francois Rouquette, Xiaoze Pei

May 01, 2024

Large-scale electric aircraft are a promising technology that could revolutionise air travel to reduce the environmental impact. Fault current limitation and interruption technology is crucial to realise the safety and...

Aircraft capacitors circuit breakers cryogenic DC circuit breaker Fault currents high-temperature superconductors MOSFET Prototypes sub-cooled liquid nitrogen Superconducting fault current limiter

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Integration of Superconducting Fault Current Limiter and DC Circuit Breaker for Electric Aircraft DC Network

Jiawen Xi, Zhongying Wang, Jintao Hu, Xianwu Zeng, Emelie Nilsson, Ludovic Ybanez, Jean Francois Rouquette, Xiaoze Pei

May 01, 2024

Aircraft capacitors circuit breakers cryogenic DC circuit breaker Fault currents high-temperature superconductors MOSFET Prototypes sub-cooled liquid nitrogen Superconducting fault current limiter

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Impact of DC-Coupled Electrophysiological Recordings for Translational Neuroscience

Amirhossein Jafarian, Rob C Wykes

Aug 04, 2022

We propose that to fully understand biological mechanisms underlying pathological brain activity with transitions (e.g., into and out of seizures), wide-bandwidth electrophysiological recordings are important. We demonstrate the...

DC-coupled electrophysiological recordings continuous-discrete unscented Kalman filter infraslow oscillations neural mass model synaptic physiology

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A High Efficiency DC/DC Converter for High Voltage Gain High Current Applications

Yaxiao Qin, Yun Yang, Sinan Li, Ying Huang, Siew-Chong Tan, S.Y.Ron Hui

Sep 30, 2020

A new class of high-voltage-gain dc-dc converters for high-efficiency and transformer-less dc-dc applications, where large voltage step-up ratios are required, is presented in this paper. The converter is derived from the...

DC microgrids high efficiency high-frequency hybrid converter high-voltage conversion ratio Low Cost low-voltage stress

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Cell type-dependent retention and transmission of HIV-1 by DC-SIGN

Christine Trumpfheller, Chaegyu Park, Jennifer S. Finke

Jan 01, 0001

DC-SIGN (CD209) is a C-type lectin expressed by several groups of dendritic cells (DC), including those derived from blood monocytes and DC found beneath genital epithelium. DC-SIGN binds the envelope glycoprotein of HIV-1 and...

CD4 antigen cell compartmentalization dendritic cell HIV-1 T lymphocyte

Published by: Rockefeller University

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On the Dynamics of Inherent Balancing of Modular Multilevel DC-AC-DC Converters

X. Xiang, Y. Gu, K. Chen, A. Astolfi, T. C. Green

Jan 31, 2021

Modular multilevel dc-ac-dc converters (MMDACs) serve as an enabler for dc distribution systems. The modular multilevel structure enables flexible voltage transforms, but raises issues over balancing of the submodule (SM)...

Barbalat's lemma circulant modulation inherent balancing invariance principle permuted linear time-invariant (LTI) systems

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On the Dynamics of Inherent Balancing of Modular Multilevel DC-AC-DC Converters

X. Xiang, Y. Gu, K. Chen, A. Astolfi, T. C. Green

Jan 31, 2021

Barbalat's lemma circulant modulation inherent balancing invariance principle permuted linear time-invariant (LTI) systems

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Engineering a Complete Record

Alexander Ball

Jul 01, 2009

Engineering firms that make long-lived products are increasingly called upon to sell their products as services. Alexander Ball reports on a project that has been investigating the knowledge and information management issues...

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A High Efficiency DC/DC Converter for High Voltage Gain High Current Applications

Yaxiao Qin, Yun Yang, Sinan Li, Ying Huang, Siew-Chong Tan, S.Y.Ron Hui

Sep 30, 2020

DC microgrids high efficiency high-frequency hybrid converter high-voltage conversion ratio Low Cost low-voltage stress

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Fault Ride-Through Enhancement of PMSG Wind Turbines with DC Microgrids Using Resistive-Type SFCL

Doaa M. Yehia, Diaa Eldin A. Mansour, Weijia Yuan

Jun 01, 2018

Integrating permanent magnet synchronous generator (PMSG) wind turbines with DC microgrids have attracted a great attention due to the inherent merits of DC systems. However, under the fault conditions, the excessive energy...

current limiting resistance DC microgrids Fault currents Generators Limiting Microgrids PMSG wind turbines resistance Superconducting fault current limiter Torque Wind turbines

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Editorial

Alexander Ball

Jun 10, 2015

Alexander Ball, Production Editor, introduces Volume 10, Issue 1 (2015) of the International Journal of Digital Curation.

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Editorial

Alexander Ball

Dec 19, 2014

Alexander Ball, Production Editor, introduces Volume 9, Issue 2 (2014) of the International Journal of Digital Curation.

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Editorial

Alexander Ball

Dec 19, 2014

Alexander Ball, Production Editor, introduces Volume 9, Issue 2 (2014) of the International Journal of Digital Curation.

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Alexander I of Molossia and the creation of Apeiros

B Raynor

Aug 21, 2017

Epeiros, sometimes ‹Apeiros› in the sources, was a region in the northwest of the ancient Balkan peninsula. It ran roughly from the Gulf of Ambrakia in the south to Apollonia in the north, and as far inland as the Pindos...

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DC-SIGN (CD209) mediates dengue virus infection of human dendritic cells

Boonrat Tassaneetrithep, Timothy H. Burgess, Angela Granelli-Piperno

Jan 01, 0001

Dengue virus is a single-stranded, enveloped RNA virus that productively infects human dendritic cells (DCs) primarily at the immature stage of their differentiation. We now find that all four serotypes of dengue use DC-SIGN...

Antigen-Presenting Cells Flavivirus elctin virus receptor

Published by: Rockefeller University

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Analysis and Criterion for Inherent Balance Capability in Modular Multilevel DC–AC–DC Converters

X. Xiang, Y. Qiao, Y. Gu, X. Zhang, T. C. Green

Jun 30, 2020

Modular multilevel dc-ac-dc converters (MMDAC) have emerged recently for high step-ratio connections in medium-voltage distribution systems. Extended phase-shift modulation has been proposed and was found to create the...

Circulant matrix inherent voltage balance low voltage dc (LVdc) medium voltage dc (MVdc) modular multilevel dc-ac-dc converters (MMDAC)

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Analysis and Criterion for Inherent Balance Capability in Modular Multilevel DC–AC–DC Converters

X. Xiang, Y. Qiao, Y. Gu, X. Zhang, T. C. Green

Jun 30, 2020

Circulant matrix inherent voltage balance low voltage dc (LVdc) medium voltage dc (MVdc) modular multilevel dc-ac-dc converters (MMDAC)

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Engineering a Complete Record

Alexander Ball

Jul 01, 2009

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The Steady-state Analysis of DC Distribution Network Embedded Droop Control and Power Flow Controller

Da Xie, Luqing Zhang, Chenghong Gu, Yan Li

Nov 01, 2019

Aiming at the DC distribution network based on the droop control, this paper proposes that the intersection of the internal characteristics of the node converter droop control and the external characteristics derived from the...

Automatic adjustment method DC distribution network droop control flexible Steady-state analysis