Results 11 to 20 of about 792,011 (298)

A novel fault location method for a cross-bonded hv cable system based on sheath current monitoring [PDF]

open access: yes, 2018
In order to improve the practice in the operation and maintenance of high voltage (HV) cables, this paper proposes a fault location method based on the monitoring of cable sheath currents for use in cross-bonded HV cable systems.
Huang, Xiaojun   +6 more
core   +1 more source

DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]

open access: yes, 2015
Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A.   +2 more
core   +2 more sources

Discussion on design standard of low-voltage IT grounding system in underground mine

open access: yesGong-kuang zidonghua, 2015
The paper introduced principle of grounding fault of low-voltage IT grounding system in underground mine for the first time, and pointed out it is meaningless of a requirement in GB 50070-2009 Design Code for Electric Power in Mine that fault current ...
GUAN Hengzhu
doaj   +1 more source

Coordination Control of Power Flow Controller and Hybrid DC Circuit Breaker in MVDC Distribution Networks

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
The two main challenges of medium voltage direct current (MVDC) distribution network are the flexible control of power flow (PF) and fault protection. In this paper, the power flow controller (PFC) is introduced to regulate the PF and inhibit the fault ...
Jianquan Liao   +5 more
doaj   +1 more source

Control of a synchronverter-based soft open point in a distribution network

open access: yesThe Journal of Engineering, 2019
The presence of distributed generation (DG) in a power distribution network can cause difficulties in managing the voltage, power flow and fault level as the network was designed for supplying passive loads. This study focuses on the control of a back-to-
Ruizhu Wu   +3 more
doaj   +1 more source

Development and test of resistive superconducting fault current limiter; acting time and its recovery conditions [PDF]

open access: yes, 2014
Resistive-type of superconducting fault current limiters (RSFCL) have been developed for medium voltage class aiming to operate at 1 MVA power capacity and short time recovery (< 2 s).
Baldan, Carlos A   +4 more
core   +2 more sources

Application technique for model-based approach to estimate fault location

open access: yesIET Smart Grid, 2019
Impedance-based algorithms commonly used for determining the fault location in transmission lines are prone to several sources of error and are specific to the line and system configuration. Furthermore, these algorithms do not utilise available valuable
Sundaravaradan Navalpakkam Ananthan   +2 more
doaj   +1 more source

Fault Section Estimation in Radial LVDC Distribution System Using Wavelet Transform

open access: yesEnergies, 2021
The demand for low voltage DC (LVDC) distribution systems is increasing due to the rapid development of power conversion technology, the increase of DC-based digital loads, and the expansion of DC-based distributed generation (DG).
Hun-Chul Seo   +2 more
doaj   +1 more source

Detection of partial demagnetization fault in PMSMs operating under nonstationary conditions [PDF]

open access: yes, 2016
Demagnetization fault detection of in-service permanent magnet synchronous machines (PMSMs) is a challenging task, because most PMSMs operate under nonstationary circumstances in industrial applications.
Blaabjerg, Frede   +5 more
core   +3 more sources

Analysis of energy dissipation in resistive superconducting fault-current limiters for optimal power system performance [PDF]

open access: yes, 2011
Fault levels in electrical distribution systems are rising due to the increasing presence of distributed generation, and this rising trend is expected to continue in the future.
Blair, Steven Macpherson   +4 more
core   +1 more source

Home - About - Disclaimer - Privacy