Results 71 to 80 of about 45,255 (210)

A reusable knowledge acquisition shell: KASH [PDF]

open access: yes
KASH (Knowledge Acquisition SHell) is proposed to assist a knowledge engineer by providing a set of utilities for constructing knowledge acquisition sessions based on interviewing techniques.
Keech, Virginia   +2 more
core   +1 more source

Fault Location in Power Distribution Systems via Deep Graph Convolutional Networks

open access: yes, 2019
This paper develops a novel graph convolutional network (GCN) framework for fault location in power distribution networks. The proposed approach integrates multiple measurements at different buses while taking system topology into account.
Chen, Kunjin   +4 more
core   +1 more source

Reliability analysis of distribution systems with photovoltaic generation using a power flow simulator and a parallel Monte Carlo approach [PDF]

open access: yes, 2016
This paper presents a Monte Carlo approach for reliability assessment of distribution systems with distributed generation using parallel computing. The calculations are carried out with a royalty-free power flow simulator, OpenDSS (Open Distribution ...
Guerra Sánchez, Luis Gerardo   +1 more
core   +2 more sources

Engineering failure analysis and design optimisation with HiP-HOPS [PDF]

open access: yes, 2010
The scale and complexity of computer-based safety critical systems, like those used in the transport and manufacturing industries, pose significant challenges for failure analysis. Over the last decade, research has focused on automating this task.
Grätz, Uwe   +7 more
core   +2 more sources

Research of Method of On-line Fault Line Selection and Location of Underground Cable

open access: yesGong-kuang zidonghua, 2011
In order to solve problems that it is hard to confirm fault position when single-phase grounding fault happens in underground power supply system and existing off-line distance measured methods are poor in precision, the paper analyzed characteristics of
SUN Quan-cai, JIN Li
doaj  

A fault line selection method for flexible grounding systems based on zero-sequence current phase variation

open access: yesZhejiang dianli
To address the poor tolerance to transitional resistance and incomplete utilization of fault information in grounding protection for flexible grounding systems, a fault line selection method based on current phase variation is proposed.
LI Zong   +5 more
doaj   +1 more source

Line Selection Device of Small Current Single-phase Grounding Fault Based on Integrative Line Selection Strategy

open access: yesGong-kuang zidonghua, 2012
For the deficiency of single line selection principle, the paper proposed integrative line selection strategy, namely zero sequence admittance method, zero sequence susceptance increment method and zero sequence conductance method based on steady-state ...
LI Hui, TANG Yi, SUN Chang-qing
doaj  

Selective complex single-phase earth fault protection for distribution medium-voltage networks [PDF]

open access: yes, 2015
This article deals with selective protection against single-phase earth faults at 6 – 10 kV electrical networks. Different kinds of earth faults, factors influencing the implementation of protection, various principles of protection implementation ...
Dobryagina, O. A.   +3 more
core  

The development of test beds to support the definition and evolution of the Space Station Freedom power system [PDF]

open access: yes
Since the beginning of the Space Station Freedom Program (SSFP), the Lewis Research Center (LeRC) and the Rocketdyne Division of Rockwell International have had extensive efforts underway to develop test beds to support the definition of the detailed ...
Frye, Robert J.   +2 more
core   +1 more source

New method for transient line selection in distribution system based on grounding fault transferred

open access: yesThe Journal of Engineering, 2019
When single-phase arc grounding fault occurs in the neutral ungrounded distribution system, the fault can be transferred by artificially grounding the faulty phase of the busbar, which can effectively improve the fault handling capability of distribution
Yilin Li, Xianggen Yin, Rui Chen
doaj   +1 more source

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