Results 31 to 40 of about 62,037 (289)
High Voltage, 2023 In this paper we investigated SF6 decomposition behaviour of typical insulation defects in gas‐solid insulated converter transformer valve‐side bushing under partial discharge (PD).
Hongtu Cheng +6 more
doaj +1 more source
Diagnostyka, 2023 The electrical cable reliability is largely linked to the state of its insulation, which can be threatened by the partial discharges (PDs) activity. This phenomenon is localized in defects created within insulation during the manufacture process and the ...
Abdelkader Elagoun, Tahar Seghier
doaj +1 more source
Computer Vision for DC Partial Discharge Diagnostics in Traction Battery Systems
World Electric Vehicle Journal, 2023 The tendency towards thin insulation layers in traction battery systems presents new challenges regarding insulation quality and service life. Phase-resolved DC partial discharge diagnostics can help to identify defects.
Ronan Sangouard +2 more
doaj +1 more source
Partial Discharge Localization Based on Received Signal Strength [PDF]
, 2017 Partial Discharge (PD) occurs when insulation containing defects or voids is subject to high voltages. If left untreated PD can degrade insulation until, eventually, catastrophic insulation failure occurs. The detection of PD current pulses, however, can
Atkinson, D. S. W. +10 more
core +3 more sources
A cable insulation defect classification method based on CNN-transformer
Frontiers in PhysicsCable insulation defect detection ensures electrical safety, prevents accidents, extends equipment life and guarantees stable system operation. For the traditional cable insulation defect detection and identification of difficult problems, this paper ...
Ning Zhao +5 more
doaj +1 more source
IEEE Access, 2020 Partial discharge (PD) is the main cause of cable insulation deterioration. It is of great theoretical significance and practical value to carry out PD research on high voltage (HV) cable joints for fault detection and operational status evaluation.
Yifan Zhou, Yongliang Wang, Wei Wang
doaj +1 more source
IET Generation, Transmission & Distribution, 2021 Recently, numerous data‐driven fault diagnosis methods have been developed, and the tasks involving the same distribution of training and test data have been well solved.
Yanxin Wang +5 more
doaj +1 more source
Development of an integrated low-power RF partial discharge detector [PDF]
, 2009 This paper presents the results from integrating a low-power partial discharge detector with a wireless sensor node designed for operating as part of an IEEE 802.15.4 sensor network, and applying an on-line classifier capable of classifying partial ...
Baker, P.C. +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.This article demonstrates the successful qualification of a copper–tungsten composite for laser powder bed fusion. The resulting components exhibited high density, high thermal conductivity, and reduced thermal expansion. Heat sinks with complex geometries were successfully manufactured, clearly showcasing the material's potential for additive ...
Simon Rauh +6 more
wiley +1 more source
Detection technology of partial discharge in transformer based on optical signal
Energy 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