Results 11 to 20 of about 4,139,382 (260)
High energy and high intensity electron and X-ray beams by pyroelectric effect [PDF]
, 2012 The production of x-rays has been a useful technique in many areas of science, medicine and various industries for over 100 years. Over this time various new methods of generating x-rays have been produced, allowing improved performance in existing ...
Hockley, Matthew
core +7 more sources
A hybrid multilevel converter for medium and high voltage applications [PDF]
, 2010 This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Ahmed, Khaled +4 more
core +3 more sources
Voltage harmonic reduction for randomly time-varying source characteristics and voltage harmonics [PDF]
, 2006 This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Zobaa, AF
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Recent advances in High-Voltage direct-current power transmission systems [PDF]
, 2006 The ever increasing progress of high-voltage high-power fully-controlled semiconductor technology continues to have a significant impact on the development of advanced power electronic apparatus used to support optimised operations and efficient ...
Nikolas Flourentzou +5 more
core +1 more source
Impact of PWM strategies on RMS current of the DC-link Voltage Capacitor of a dual-three phase drive [PDF]
, 2014 The major drawback of usual dual three-phase AC machines, when supplied by a Voltage Source Inverter (VSI), is the occurrence of extra harmonic currents which circulate in the stator windings causing additional losses and constraints on the power ...
ROUHANA, Najib +5 more
core +1 more source
Power Electronic Converters Evolution In Transmission System: HVDC & FACTS Device [PDF]
E3S Web of ConferencesPower electronics have helped achieve this objective of increasing capacity while improving reliability and sustainability and reducing operating costs over the years. They have provided added flexibility and control to power systems.
Rao D. S. N. M. +4 more
doaj +1 more source
VSC transmission system using flying capacitor multilevel converters and hybrid PWM control [PDF]
, 2007 A high-voltage direct current (HVDC) transmission system based on three-level flying capacitor (FC) multilevel converters with hybrid pulse-width modulation (PWM) is presented in this paper.
Agelidis, V.G., Xu, L.
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A 19‐Level Single Voltage Source Inverter With Reduced Blocking Voltage on Switches
IET Power ElectronicsThis paper presents a novel high‐performance and dependable step‐up multi‐level inverter topology designed specifically for photovoltaic applications. A gain factor of nine is attained, coupled with automatic self‐voltage balancing of capacitors and the ...
Fatemeh Esmaeili, Hamid Reza Koofigar
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk +10 more
wiley +1 more source
IET Generation, Transmission & DistributionIn voltage‐controlled voltage source inverters (VSIs)‐based microgrids (MGs), the inner control is of prime interest task for guaranteeing safe and stable operation.
Camelia Ait Hammouda +6 more
doaj +1 more source