Results 21 to 30 of about 45,255 (210)
Grounding System Adequacy of HV/MV Substations in Areas With Reduced Accessibility [PDF]
, 2015 The adequacy of grounding systems has to be verified periodically in the operational time. With urban development and buildings growth adjacent to power systems as HV/MV substations, it is very rare to have area around with sufficient accessibility for ...
Farber, Alexander +4 more
core +1 more source
Meikuang Anquan, 2022 When a single-phase grounding fault occurs in the coal mine 10 kV power supply system, due to the low sampling frequency of the system, the traditional transient line selection method is easy to lose the “line selection information”, and is greatly ...
GUO Runshou, CAO Jiyuan
doaj +1 more source
Improved transient simulation of salient-pole synchronous generators with internal and ground faults in the stator winding [PDF]
, 2005 An improved model for simulating the transient behavior of salient-pole synchronous generators with internal and ground faults in the stator winding is established using the multi-loop circuit method.
Bi, D.Q. +4 more
core +1 more source
Assessment of unintentional islanding operations in distribution networks with large induction motors [PDF]
, 2020 This paper is aimed at assessing the impact of unintentional islanding operations (IOs) in the presence of large induction motors (IMs) within distribution networks (DNs).
Bosch Tous, Ricardo +3 more
core +2 more sources
Device for limiting single phase ground fault of mining machines [PDF]
IOP Conference Series: Earth and Environmental Science, 2017 The paper shows the reasons and consequences of the single-phase ground fault. With all the variety of devices for limiting the current single-phase ground fault, it was found that the most effective are Peterson coils having different switching circuits.
R S Feduik +5 more
openaire +1 more source
An equivalent circuit for the evaluation of cross-country fault currents in medium voltage (MV) distribution networks [PDF]
, 2018 A Cross-Country Fault (CCF) is the simultaneous occurrence of a couple of Line-to-Ground Faults (LGFs), affecting different phases of same feeder or of two distinct ones, at different fault locations.
Gatta, Fabio Massimo +3 more
core +1 more source
电力工程技术, 2023 With the improvement of the requirements for the safe operation of distribution network lines, the harmonics injected by distributed power generation make the existing line selection methods ineffective, and the fault line selection method with a single ...
LI Yan +4 more
doaj +1 more source
System configuration, fault detection, location, isolation and restoration: a review on LVDC Microgrid protections [PDF]
, 2019 Low voltage direct current (LVDC) distribution has gained the significant interest of research due to the advancements in power conversion technologies. However, the use of converters has given rise to several technical issues regarding their protections
Bououden +11 more
core +1 more source
Simulation and Experiment Analysis of 10 kV Flexible Grounding Device
Information, 2021 The traditional 10 kV distribution network grounding system has some disadvantages, such as small grounding current and poor arc extinguishing effect, thus, hindering the detection of high-resistance grounding fault.
Mengxuan Liu, Chi Zhang, Kangli Liu
doaj +1 more source
Zhejiang dianli, 2023 With its connection to distribution networks， the inverter-interfaced distributed generators （IIDGs） affect single-phase grounding detection and jeopardize their safe and stable operation. Based on the characteristics of IIDGs and sequence network theory，
JIANG Miao +3 more
doaj +1 more source