Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Karim Younsi"'
Publikováno v:
Materials, Vol 16, Iss 3, p 989 (2023)
In the design of MV AC and DC spacers, the predominant factors are surface and interface conditions. Design is generally carried out on specifications and standards which are based on long-term experience and lab testing. However, the diffusion of po
Externí odkaz:
https://doaj.org/article/991400f3bb5e4023bbb82e526a55603c
Publikováno v:
2020 IEEE Energy Conversion Congress and Exposition (ECCE).
Rotor blade damage and/or failure is a common occurrence in wind turbines that is very costly and can lead to substantial downtime. If a remote monitoring technology is developed, it can give an early warning about blade anomalies before catastrophic
Autor:
Abdelnacer Smati, Karim Younsi
Publikováno v:
Journal of Natural Gas Science and Engineering. 45:659-669
Gas pipelines are complex and sensitive structures within gas systems. Gas pipeline networks encompass mainly compression stations and pipelegs. Compressor stations, on the other hand, includes several compression units installed, in most cases, in p
Publikováno v:
2018 IEEE Energy Conversion Congress and Exposition (ECCE).
Offline dissipation factor testing is one of the standard approaches to examine the condition of ac motor's stator winding insulation. An online technique to continuously monitor the condition of the groundwall and phase-to-phase insulation for ac ma
Publikováno v:
IEEE Transactions on Industry Applications. 51:2201-2207
Insulation failures are one of the most common failure modes of ac motors, particularly high-voltage motors. Online monitoring of insulation health of ac motors is important for preventing unexpected outages and minimizing the associated financial lo
Publikováno v:
Oil and Gas Facilities. 2:51-60
Summary This paper presents a methodology to estimate the probability of failure of every individual corrosion defect and the residual likelihood of failure of an overall corroded pipeline segment after selected repairs, using structural probabilisti
Autor:
Karim Younsi, Prabhakar Neti, Joe Yingneng Zhou, Konrad Roman Weeber, Manoj Ramprasad Shah, John Raymond Krahn, C D Whitefield
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 17:1441-1452
A new on-line technique for monitoring the insulation condition of ac motor and generator stator windings is proposed. The approach uses a newly developed High-Sensitivity Current Transformer (HSCT) to precisely and non-invasively measure the differe
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 16:934-939
Zinc oxide based metal oxide varistors (MOV) are widely used electrical surge protection components. The design of modern high power, high-density electronic systems necessitate the need for smaller footprint, higher current density and higher nonlin
Publikováno v:
IEEE Transactions on Industry Applications. 42:946-957
An online technique for monitoring the condition of the groundwall (GW) and phase-to-phase (PP) insulation for three-phase ac-machine stator windings is proposed in this paper. Insulation-condition indicators such as capacitance, dissipation factor (
Publikováno v:
IEEE Transactions on Dielectrics and Electrical Insulation. 11:797-807
While specialty applications of nanotechnology in the photonics and electronics areas have seen a tremendous growth in the past several years, the use of nanodielectrics in the electrical industry (high power density and high voltage) has not shown t