Results 11 to 20 of about 4,425,780 (307)

Rapid Estimation of Crop Water Stress Index on Tomato Growth

open access: yesSensors, 2021
The goal of this research is to use a WORKSWELL WIRIS AGRO R INFRARED CAMERA (WWARIC) to assess the crop water stress index (CWSIW) on tomato growth in two soil types.
Kelvin Edom Alordzinu   +5 more
doaj   +1 more source

Optimization of voltage differential protection for UHVDC transmission line [PDF]

open access: yes电力工程技术, 2022
Ground fault tests of ultra-high voltage direct current (UHVDC) transmission line indicate that voltage differential protection of the other pole may be false tripped when the ground fault happens on the line of the pole with a larger number of operating
YANG Jianming   +4 more
doaj   +1 more source

A Novel Two-Axis Differential Resonant Accelerometer Based on Graphene with Transmission Beams

open access: yesSensors, 2022
In this paper, a novel two-axis differential resonant accelerometer based on graphene with transmission beams is presented. This accelerometer can not only reduce the cross sensitivity, but also overcome the influence of gravity, realizing fast and ...
Yang Xiao   +4 more
doaj   +1 more source

Impact of High Switching Speed and High Switching Frequency of Wide-Bandgap Motor Drives on Electric Machines

open access: yesIEEE Access, 2021
The emergence of fast-switching wide-bandgap (GaN, SiC) power electronics devices has enabled motor drive systems to achieve high efficiency, power density, control bandwidth and high-level of integration.
Yipu Xu   +6 more
doaj   +1 more source

Method to Predict the Non-Uniform Potential Distribution in Random Electrical Machine Windings under Pulse Voltage Stress

open access: yesEnergies, 2022
This article describes a practical method for predicting the distribution of electric potential inside an electrical machine’s winding based on design data.
Alexander Hoffmann, Bernd Ponick
doaj   +1 more source

Quantum-enhanced differential atom interferometers and clocks with spin-squeezing swapping [PDF]

open access: yesQuantum, 2023
Thanks to common-mode noise rejection, differential configurations are crucial for realistic applications of phase and frequency estimation with atom interferometers.
Robin Corgier   +3 more
doaj   +1 more source

Experimental study of electromagnetic disturbances in common and differential modes in a circuit based on two DC/DC boost static converter in parallel

open access: yesElectrical engineering & Electromechanics, 2023
Introduction. An electronic control and closing control at the switch (MOSFET) will allow a parallel connection of two DC/DC boost converters. The reason for paralleling converters is to increase the efficiency of the power conversion process. This means
B. Benazza   +5 more
doaj   +1 more source

Conducted Emission Suppression Using an EMI Filter for Grid-Tied Three-Phase/Level T-Type Solar Inverter

open access: yesIEEE Access, 2021
Electromagnetic interference in power converters is a crucial problem for circuit designers. Electromagnetically compliant converter design is required for the safety of an operation.
Halime Hizarci   +2 more
doaj   +1 more source

Common mode response effects in differential measurements [PDF]

open access: yes, 2021
Differential measurements yield signals that are conditioned by differential or fully differential circuits which output depends on both the differential- and common-mode input voltages.
Hornero Ocaña, Gemma   +5 more
core   +1 more source

Modeling of Conducted Emissions for EMI Analysis of Power Converters: State-of-the-Art Review

open access: yesIEEE Access, 2020
Electromagnetic interference issues are associated with high-speed switching of power converters. EMI modeling is an essential tool to study and control the EMI emission, enabling more efficient solutions.
Fatemeh Abolqasemi Kharanaq   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy