Results 191 to 200 of about 86,487 (250)

Multi-Source Partial Discharge Pattern Recognition Algorithm Based on DCGAN-YOLOv5

IEEE Transactions on Power Delivery
This study aims to overcome the complication that deep learning-based pattern recognition in partial discharge (PD) diagnosis of gas-insulated switchgear (GIS) can only identify single-source partial discharge but not multi-source partial discharge ...
Min Wu, Wei Jiang, Daoyi Shen, Yingting Luo, Junjie Yang   +4 more
semanticscholar   +1 more source

Knowledge-Driven Recognition Methodology of Partial Discharge Patterns in GIS

IEEE Transactions on Power Delivery, 2022
Recognition of partial discharge (PD) patterns in gas insulated switchgear (GIS), as a basis of fault diagnosis, provides essential information for the condition assessment of GIS.
Jiapeng Tian, Hui Song, G. Sheng, Xiuchen Jiang   +3 more
semanticscholar   +1 more source

Partial Discharge Detection in Gas-Insulated Switchgears Using Sensors Integrated With UHF and Optical Sensing Methods

IEEE transactions on dielectrics and electrical insulation, 2022
Partial discharge (PD) detection from protrusion defects is performed in an actual gas-insulated switchgears (GISs) based on a built-in sensor integrated with fluorescent fiber and ultrahigh frequency (UHF) antenna.
Xutao Han, Xuanrui Zhang, R. Guo, Haotian Wang, Junhao Li, Yuan Li, Mo Zhao   +6 more
semanticscholar   +1 more source

Wavelet Kernel-Based Convolutional Neural Network for Localization of Partial Discharge Sources Within a Power Apparatus

IEEE Transactions on Industrial Informatics, 2021
This article presents a new convolutional neural network (CNN) topology using wavelet kernels to detect and discriminate single or multiple partial discharge (PD) locations in high voltage power apparatus with increased accuracy.
Biswarup Ganguly, Sayanti Chaudhuri, S. Biswas, D. Dey, S. Munshi, B. Chatterjee, S. Dalai, S. Chakravorti   +7 more
semanticscholar   +1 more source

Partial discharge. III. Cavity-induced PD in solid dielectrics

IEEE Electrical Insulation Magazine, 1990
For pt.II see ibid., vol.6, no.5, p.35 et seq. (1990). The question of how to relate the magnitude of the measured, effective, partial discharge (PD) to the size, shape, and position of the cavity within a solid dielectric system is addressed. The causes of cavities are examined, and a brief review of gas breakdown is given. It is then shown that for a
openaire   +1 more source

Partial Discharge Detection Using Piezoelectric Sensors on Power Transformer: A Review

IEEE Sensors Journal
Partial discharge (PD) in the power transformer is one of the signs of an issue with the insulation system. The prolonged presence of this phenomenon has the potential to lead to the total breakdown of the insulation system of the power transformer ...
Sorokhaibam Nilakanta Meitei
semanticscholar   +1 more source

Edge-Computing-Based Knowledge Distillation and Multitask Learning for Partial Discharge Recognition

IEEE Transactions on Instrumentation and Measurement
Developing an accurate partial discharge (PD) monitoring system for switchgear has attracted significant attention in recent times. Detecting and distinguishing PDs with a portable PD detector is challenging due to the inherent noise interference and the
Jinshen Ji, Zhou Shu, Hongqun Li, Kai Xian Lai, Minshan Lu, Guanlin Jiang, Wensong Wang, Yuanjin Zheng, Xudong Jiang   +8 more
semanticscholar   +1 more source

Partial discharge. IV. Commercial PD testing

IEEE Electrical Insulation Magazine, 1991
For pt.III see ibid., vol.6, no.6, p.11 et seq. (1990). Commercially available partial discharge (PD) detectors are described, along with their important characteristics. The primary characteristics that detectors have in common and that are used as a basis for classification are the number of inputs used, the bandwidth of the detector, and the method ...
openaire   +1 more source

Mutitask Learning Network for Partial Discharge Condition Assessment in Gas-Insulated Switchgear

IEEE Transactions on Industrial Informatics
Condition assessment for gas-insulated switchgear (GIS), which are crucial component of power systems, involves three interrelated aspects, i.e., partial discharge (PD) diagnosis, localization, and severity assessment.
Yanxin Wang, Jing Yan, Wenjie Zhang, Zhou Yang, Jianhua Wang, Yingsan Geng, Dipti Srinivasan   +6 more
semanticscholar   +1 more source

Altitude Readiness of High-Voltage IGBTs Subjected to the Partial Discharge at Harsh Environmental Conditions for Hybrid Electric Aircraft Propulsion

IEEE transactions on power electronics, 2022
The reliability of the insulation of commercially used high-voltage insulated gate bipolar transistor (IGBT) subjected to untimely initiation of partial discharge (PD) at low pressures and high temperatures is investigated and discussed in this letter ...
Tohid Shahsavarian, Di Zhang, P. McGinnis, S. Walker, Zheyu Zhang, Yang Cao   +5 more
semanticscholar   +1 more source