Results 21 to 30 of about 233,710 (298)
An Urban Rail Traction Power Supply Rectifier and Its Circulating Current Suppression Scheme
Kongzhi Yu Xinxi Jishu, 2022 In urban rail traction power supply system, DC catenary grounding is a common fault. As IGBT devices of PWM rectifier have no ability to withstand short-circuit current, controllable traction power supply rectifier equipment usually adopts PWM rectifier ...
WANG Lunyue +4 more
doaj +3 more sources
Development of a 50-60 Hz thermally switched superconducting rectifier [PDF]
, 1992 A full-wave thermally switched superconducting rectifier, able to operate directly from the mains at the 50-60-Hz frequency, has been developed. Typical design output values of this device are a current of 300 A, a voltage of up to 1 V, an average power ...
Kate, H.H.J. ten +4 more
core +3 more sources
, 2022 Rectifiable sets, measures, currents and varifolds are foundational concepts in geometric measure theory. The last four decades have seen the emergence of a wealth of connections between rectifiability and other areas of analysis and geometry, including deep links with the calculus of variations and complex and harmonic analysis.
openaire +4 more sources
Techno-Economic Assessment of Hydrogen Usage in a Smart Grid, Employing a Staggered Optimization Algorithm [PDF]
E3S Web of Conferences, 2021 A sustainable energy economy implies high shares of volatile renewable energy sources and requires the use of energy storage technologies. Hydrogen is a very flexible energy carrier and can be employed as a large-scale energy storage in electric grids ...
Speckmann Friedrich-Wilhelm +2 more
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Status report of the three phase 25 kA, 1.5 kW thermally switched superconducting rectifier, transformer and switches [PDF]
, 1983 A 25 kA, 1.5 kW superconducting rectifier system has been developed. This rectifier system working like an a.c.-d.c, converter with a primary current of 35 A at 0.1Hz, will energize a 25 kA coil with an average power of 5.4 MJ/hr and a proposed energy ...
Holtslag, A.H.M. +4 more
core +2 more sources
Recent Trends and Challenges in Near-Field Wireless Power Transfer Systems
IEEE Open Journal of the Solid-State Circuits Society, 2023 In recent years, wireless power transfer (WPT) has become a widespread method for charging and powering devices, including but not limited to consumer electronics, industrial applications, electric vehicles, medical devices, and sensor nodes.
Elisabetta Moisello +3 more
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Elastomeric microfluidic diode and rectifier work with Newtonian fluids [PDF]
, 2009 We report on two microfluidic elastomeric autoregulatory devices—a diode and a rectifier. They exhibit physically interesting and complex nonlinear behaviors (saturation, bias-dependent resistance, and rectification) with a Newtonian fluid.
Chen, Yan +4 more
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A Compact Rectifier Design Method Utilizing Harmonics
Applied Sciences, 2021 This paper proposes a compact rectifier design method for utilizing harmonics. Based on total reflection generated by pure reactance loads at the second harmonic (2nd) and open circuit at the third harmonic (3rd), a compact DC-pass filter is designed to ...
Xuelong Qin +3 more
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Tri-Band Rectenna Dedicated to UHF RFID, GSM-1800 and UMTS-2100 Frequency Bands
Sensors, 2022 The omnipresence of connected objects leads to the quasi-permanent presence of electromagnetic waves from different sources in our environment. This article presents a new electromagnetic energy harvesting device, rectenna type, which offers the ...
Ognadon Assogba +4 more
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