Results 21 to 30 of about 226,502 (305)

The Analysis of the Symmetrical Short-Circuit Currents in Backup Power Supply Systems with Low-Power Synchronous Generators

open access: yesEnergies, 2020
This paper presents an analysis of the short-circuit currents of a synchronous generator with a rated power of 16 kVA. For this purpose, the authors carried out measurements of real short-circuit currents during laboratory tests.
Dominik Mamcarz   +3 more
doaj   +1 more source

A Study of Symmetrical and Unsymmetrical Short Circuit Fault Analyses in Power Systems

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019
In this study, thecommon symmetrical and unsymmetrical short circuit faults in power systems areanalyzed detailed. Unlike the similar studies in the literature, metallic faultconditions for unsymmetrical faults are also given in the paper additionally ...
Yılmaz Yıldırım, Faruk Yalçın
doaj   +1 more source

Determination of failure degree of 1.2 kV SiC MOSFETs after short-circuit test using an improved test setup

open access: yesNanotechnology and Precision Engineering, 2020
Analysis of the short-circuit characteristics of SiC metal-oxide-semiconductor field-effect transistors (MOSFETs) is very important for their practical application.
Shen Diao   +6 more
doaj   +1 more source

Closed Form Solution of Synchronous Machine Short Circuit Transients [PDF]

open access: yes, 2010
This paper presents the closed form solution of the synchronous machine transients undergoing short circuit. That analytic formulation has been derived based on linearity and balanced conditions of the fault.
Gibson H.M. Sianipar
core   +1 more source

Design of a Short-Circuit Detection Intelligent Release Using Discrete Wavelet Algorithm

open access: yesIEEE Access, 2019
The short-circuit faults are one of the inevitable faults types in the power system. The frame circuit breaker can quickly break the transmission lines in case of the short-circuit faults to achieve the purpose of protecting the power system. At present,
Guanghai Bao, Feng Zeng, Huaiping Sun
doaj   +1 more source

Evaluation of ability to withstand short circuit and development of large capacity 500 kV autotransformer

open access: yesIET Electric Power Applications, 2023
Once the short circuit damage accident of a large capacity 500 kV transformer occurs suddenly, it will seriously affect the safe operation of the power grid.
Zhongxiang Li   +7 more
doaj   +1 more source

Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Inverter Faults [PDF]

open access: yes, 2013
The authors would like to thank the ADEME for the funding of the MHYGALE project.Multi-phase machines are known for their fault-tolerant capability. However, star-connected machines have no fault tolerance to inverter switch short-circuit fault.
NGUYEN, Ngac Ky   +10 more
core   +1 more source

Experimental study on short-circuit current characteristics of a photovoltaic system with low voltage ride through capability under a symmetrical fault

open access: yesEnergy Reports, 2022
Large number of photovoltaic (PV) power plants connected to a power grid can bring significant impacts to fault currents and the operation of protection systems.
Shuai Yuan   +2 more
doaj   +1 more source

Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]

open access: yes, 2010
An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G.   +9 more
core   +1 more source

Load flow, short circuit and motor starting studies in electrical power substations.

open access: yesITEGAM-JETIA
Power system studies are essential for the proper planning and design of electrical power substations. This paper presents the load flow, short circuit, and motor starting studies for 33/6.6/0.44 kV electrical power substation.
Mohan Muniappan
doaj   +1 more source

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