نتایج جستجو برای: partial discharge
تعداد نتایج: 328138 فیلتر نتایج به سال:
Detection of partial discharge (PD) in switchgears requires extensive data collection and time-consuming analyses. Data from real live operational environments pose great challenges the development robust efficient detection algorithms due to overlapping PDs strong presence random white noise. This paper presents a novel approach using clustering for cleaning feature extraction phase-resolved (...
High voltage insulation is loosing its quality during the operation of high voltage machines and generators. Degrading high voltage stator insulation is the main reason for sudden breakdown of stator windings. Partial discharge measurements can reveal a lot of defects in stator windings of high voltage rotating machines with operating voltage more than 3,3kV. Partial discharge monitoring provid...
In the contribution, the authors applied the Multi-Agent methodology to the partial discharge (PD) online diagnosis for high voltage apparatus, and a PD diagnosis Multi-Agent system for high voltage apparaus was implemented. Based on the investigation of problems existing in partial discharge detection and evaluation, such as preprocessing, features extraction, trend and fingerprint analysis, c...
For analyzing partial discharge ultrasonic wave characteristic on typical defects in SF6 gas insulation switchgear (GIS), a 110 kV GIS was taken as an object to design and simulate the typical partial discharge models in GIS There are point electrode model on bus and cavity of GIS, floating electrode model, air interstice model in insulator, metal particle and iron core electromagnetic shock mo...
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