Results 31 to 40 of about 436 (218)

A Transformer Partial Discharge Measurement System Based on Fluorescent Fiber

open access: yesEnergies, 2012
Based on the physical phenomena of optical effects produced by the partial discharge (PD) and on the characteristics of fluorescent fiber sensing of weak fluorescent signals, a PD measurement system using a fluorescent fiber sensor was designed. The main
Fan Liu   +3 more
doaj   +1 more source

Distribution Characteristics of Partial Discharge Radio Frequency Signal in Transformer Tank and Bushing

open access: yesZhongguo dianli, 2023
The external partial discharge (PD) radio frequency (RF) detection method is suitable for equipment in operation, and has become one of the important means to perceive the insulation defects of transformer and bushing.
Hui HUANG   +4 more
doaj   +1 more source

A Review of Online Partial Discharge Measurement of Large Generators

open access: yesEnergies, 2017
Online partial discharge (PD) measurements have long been used as an effective means to assess the condition of the stator windings of large generators.
Yuanlin Luo, Zhaohui Li, Hong Wang
doaj   +1 more source

Analysis of Electromagnetic Properties of New Graphene Partial Discharge Sensor Electrode Plate Material

open access: yesSensors, 2022
Advanced sensing and measurement technology is the key to realizing the transparent power grid and electric internet of things. Meanwhile, sensors, as an indispensable part of the smart grid, can monitor, collect, process, and transmit various types of ...
Huiyuan Zhang, Zhensheng Wu
doaj   +1 more source

Detection technology of partial discharge in transformer based on optical signal

open access: yesEnergy Reports, 2023
The detection of partial discharge (PD) in transformers is of great significance for preventing insulation defects from developing into insulation failures. Transformer partial discharge detection technology includes pulse current method, radio frequency
Shuangrui Jia   +5 more
doaj   +1 more source

Adjunctive Therapeutic Plasma Exchange in Refractory Adult‐Onset Still's Disease Complicated by Secondary Macrophage Activation Syndrome: A Single‐Center Experience

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Adult‐onset Still's disease (AOSD) complicated by macrophage activation syndrome (MAS) carries substantial mortality. The role of therapeutic plasma exchange (TPE) remains uncertain. Methods We retrospectively analyzed patients with AOSD‐MAS treated with TPE at a single‐center.
Masataka Ueda   +15 more
wiley   +1 more source

Ultrasonic partial discharge monitoring method on instrument transformers [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2012
Sonic and ultrasonic partial discharge monitoring have been applied since the early days of these phenomena monitoring. Modern measurement and partial discharge acoustic (ultrasonic and sonic) monitoring method has been rapidly evolving as a result of ...
Kartalović Nenad   +5 more
doaj   +1 more source

Suppression Method of Partial Discharge Interferences Based on Singular Value Decomposition and Improved Empirical Mode Decomposition

open access: yesEnergies, 2021
Partial discharge detection is an important means of insulation diagnosis of electrical equipment. To effectively suppress the periodic narrowband and white noise interferences in the process of partial discharge detection, a partial discharge ...
Linao Li, Xinlao Wei
doaj   +1 more source

Organoids in pediatric cancer research

open access: yesFEBS 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

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

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