Results 21 to 30 of about 3,838,435 (315)

Entity Extraction of Electrical Equipment Malfunction Text by a Hybrid Natural Language Processing Algorithm

open access: yesIEEE Access, 2021
Many electrical equipment malfunction text messages are collected during power system operation and maintenance procedures. These texts usually contain crucial information for maintenance and condition monitoring.
Zhe Kong   +5 more
semanticscholar   +1 more source

Estimation Of Electrical Equipment Service

open access: yesEAI Endorsed Transactions on Energy Web, 2017
This article examines the possibility of determining the indicators for the qual-ification of personnel servicing electrical installations based on statistical data based on the frequency and duration of the work carried out by a group of electrical ...
A. N. Shpiganovich   +3 more
doaj   +1 more source

Thermal Fault Diagnosis of Electrical Equipment in Substations Based on Image Fusion

open access: yesTraitement du signal, 2021
Infrared thermal imaging can diagnose whether there are faults in electrical equipment during non-stop operation. However, the existing thermal fault diagnosis algorithms fail to consider an important fact: the infrared image of a single band cannot ...
Mingshu Lu, Haiting Liu, Xipeng Yuan
semanticscholar   +1 more source

Two-Level Fault Diagnosis of SF6 Electrical Equipment Based on Big Data Analysis

open access: yesBig Data and Cognitive Computing, 2019
With the increase of the operating time of sulphur hexafluoride (SF6) electrical equipment, the different degrees of discharge may occur inside the equipment.
Hongxia Miao   +4 more
doaj   +1 more source

A novel EFPI sensor for ultrasonic testing of partial-discharge in high-voltage electrical equipment

open access: yesIEEE Access, 2021
A novel extrinsic Fabry–Perot interferometric (EFPI) ultrasonic sensor is developed that can detect ultrasonic signals of partial discharge (PD) in high-voltage electrical equipment under different temperature and pressure conditions.
Zan Wang   +5 more
semanticscholar   +1 more source

Study on Seismic Performance of Porcelain Pillar Electrical Equipment Based on Nonlinear Dynamic Theory

open access: yesAdvance in Civil Engineering, 2021
In order to consider the influence of nonlinear characteristics of porcelain pillar electrical equipment on the dynamic response under seismic excitation, a theoretical analysis method of nonlinear dynamics was raised to define the nonlinear parameter of
Yaodong Xue   +6 more
semanticscholar   +1 more source

Superresolution Reconstruction of Electrical Equipment Incipient Fault

open access: yesJournal of Control Science and Engineering, 2018
With the rapid development of industry and technology, the electrical power system becomes more complex and the electrical equipment becomes more diverse.
Manran Wang   +4 more
doaj   +1 more source

Electrical field distribution of 35 KV Igla under polluted and ice-covered situation at power frequency

open access: yesThe Journal of Engineering, 2019
Lightning striking on power system may lead to severe accident and huge losses, which is the reason why line arresters are needed. During operation, the electrical field concentration in line arrester may lead to ablation and accelerated aging of ...
Guo Jie   +4 more
doaj   +1 more source

Design of Distributed Substation High Voltage Electrical Equipment Online Monitoring System Based on Image Segmentation Technology

open access: yesJournal of Physics: Conference Series, 2021
As an important support mechanism for real-time monitoring and display of system frequency, harmonic voltage, harmonic current, three-phase voltage unbalance, voltage fluctuation and flicker, true power factor and other power quality parameters specified
Ming-Jong Lin   +4 more
semanticscholar   +1 more source

Deformation Test System of Transmission Tower Based on Binocular Vision Method

open access: yesMATEC Web of Conferences, 2017
A test system to measure the deformation of the transmission tower based on binocular vision method is introduced in this work. The test system can achieve the accurate monitoring of the transmission tower deformation, and provide deformation data for ...
Jia Haikun   +7 more
doaj   +1 more source

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