Results 11 to 20 of about 963,746 (206)

VICARED: A Neural Network Based System for the Detection of Electrical Disturbances in Real Time [PDF]

open access: yes, 2005
The study of the quality of electric power lines is usually known as Power Quality. Power quality problems are increasingly due to a proliferation of equipment that is sensitive and polluting at the same time.
Elena Ortega, José Manuel   +4 more
core   +1 more source

Comparing policy gradient and value function based reinforcement learning methods in simulated electrical power trade [PDF]

open access: yes, 2012
In electrical power engineering, reinforcement learning algorithms can be used to model the strategies of electricity market participants. However, traditional value function based reinforcement learning algorithms suffer from convergence issues when ...
Burt, Graeme   +3 more
core   +1 more source

Impulse dielectric behaviour of dry air in sphere-plane gap

open access: yesThe Journal of Engineering, 2019
The dielectric strength of dry air is lower than that of SF(6), so it is very difficult to use dry air in extra-high-voltage-class gas-insulated equipment.
Zilu Jin   +4 more
doaj   +1 more source

A Precise Electrical Disturbance Generator for Neural Network Training with Real Level Output [PDF]

open access: yes, 2007
Power Quality is defined as the study of the quality of electric power lines. The detection and classification of the different disturbances which cause power quality problems is a difficult task which requires a high level of engineering expertise ...
García Delgado, Antonio   +3 more
core   +1 more source

A partial discharge pattern recognition method based on deep learning and multi-model fusion

open access: yes电力工程技术, 2023
Partial discharge is closely related to the insulation state of power equipment. Accurate identification of partial discharge types is of great significance to ensure the operation of the power grid.
WANG Tingting, DING Hao, ZHANG Zhousheng
doaj   +1 more source

Denitration Simulation of SNCR System Nozzles at Different Layout Positions in Coal Powder Boilers [PDF]

open access: yesE3S Web of Conferences
Building a clean, low-carbon, safe and efficient energy system is an overall requirement for the modernization of the energy system, The nitrogen oxides produced by the combustion of fossil fuels need to be effectively treated.
Li Haoyang   +4 more
doaj   +1 more source

Imaging resonant dissipation from individual atomic defects in graphene [PDF]

open access: yes, 2017
Conversion of electric current into heat involves microscopic processes that operate on nanometer length-scales and release minute amounts of power. While central to our understanding of the electrical properties of materials, individual mediators of ...
Bagani, Kousik   +10 more
core   +2 more sources

Unified method for optimal power flow of AC/DC system with PET based on extended branch model

open access: yesThe Journal of Engineering, 2019
Compared to traditional transformer, power electronic transformer (PET) has a better control ability as it can manage the terminal power independently. This makes it very promising for modern power distribution systems with high penetration of renewable ...
Yingyun Sun   +4 more
doaj   +1 more source

Integrated Energy System Configuration Optimization for Multi-Zone Heat-Supply Network Interaction

open access: yesEnergies, 2018
The integrated energy system effectively improves the comprehensive utilization of energy through cascade utilization and coordinated scheduling of various types of energy.
Bo Tang   +3 more
doaj   +1 more source

Shockwave phenomena in an inhibited gas-to-liquid hydrocarbon transformer oil under lightning impulse voltages

open access: yesThe Journal of Engineering, 2019
Gas-to-liquid (GTL) transformer oil is increasingly considered as an alternative to conventional mineral oils, due to its consistent performance, high purity and essentially free of sulphur.
Wu Lu, Feng Li, Yuan Gao, Wenbin Zhao
doaj   +1 more source

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