Results 21 to 30 of about 26,454 (225)
A Method for the Measurement of Digitizers’ Absolute Phase Error [PDF]
, 2018 A lot of engineering applications, from telecommunications to power systems, require accurate measurement of phase angles. Some of them, like synchrophasor measurement and calibration of instrument transformers with digital output, in order to reach ...
Crotti, G. +6 more
core +1 more source
Trends in Measuring Instrument Transformers for Gas-Insulated Switchgears: A Review
EnergiesVoltage and current measurements in high-voltage substations are fundamental for stable operation. Conventional instrument transformers (ITs) face challenges in gas-insulated switchgears (GISs), such as size, weight, accuracy limitations, and behavioral ...
Dong-Eon Kim +3 more
doaj +1 more source
THE DIAGNOSIS TECHNIQUE OF ABNORMAL HEATING OF POWER CAPACITORS
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2016 The existing system of protection and diagnostics are not able to detect abnormal heating of the power capacitors caused by its internal malfunction formation.
D. I. Zalizny
doaj +1 more source
Very high-current-density Nb/AlN/Nb tunnel junctions for low-noise submillimeter mixers [PDF]
, 2000 We have fabricated and tested submillimeter-wave superconductor–insulator–superconductor (SIS) mixers using very high-current-density Nb/AlN/Nb tunnel junctions (Jc[approximate]30 kA cm–2). The junctions have low-resistance-area products (RNA[approximate]
Bumble, Bruce +6 more
core +1 more source
Paper making from bagasse [PDF]
, 2020 Though the revolution of technology has reduced paper production everywhere around the world, the amount of paper consumed each day is still tremendously large.
Abu Bakar Sidik, Dilaeleyana +7 more
core
Partial Discharge in Electronic Equipments [PDF]
, 2009 Tato disertační práce se věnuje studiu částečných výbojů (PD) způsobených poklesem spolehlivosti a životnosti elektronických zařízení a systémů. Diagnostika PD je dnes známá metoda pro vysoké napětí u vysoko-výkonných zařízení.
Mammadov, Anar
core
Design of the Galileo remote science pointing actuators [PDF]
, 1983 This paper describes the two actuators developed for pointing the remote science instruments from the spinning Galileo spacecraft. Details of the key elements are presented together with their design features and developmental difficulties.
Osborn, F. W.
core +1 more source
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Organoids in pediatric cancer research
FEBS Letters, EarlyView.Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley +1 more source
, 1984 The object of the invention is to provide an improved converter for converting one direct current voltage to another. A plurality of phased square wave voltages are provided from a ring counter through amplifiers to a like plurality of output ...
Garrett, H. +3 more
core +1 more source