Results 11 to 20 of about 10,590,427 (302)

Synthetic test circuit with two‐level voltage source for HVDC circuit breakers

open access: yesIET Generation, Transmission & Distribution, 2023
In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification.
Shixin Xiu   +6 more
doaj   +2 more sources

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

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   +2 more sources

Reconfiguration based built-in self-test for analogue front-end circuits [PDF]

open access: yes, 1999
Previous work has shown that it is feasible to implement a fully digital test evaluation function to realise partial self-test on an automatic gain control circuit (AGC).
Lechner, Andreas   +2 more
core   +4 more sources

Evaluation Method for Winding Performance of Distribution Transformer

open access: yesEnergies, 2021
In order to ensure the safe and stable operation of a power system, the performance evaluation of transformer windings after a short-circuit test can predict whether the windings are deformed in order to provide a useful reference for the operation and ...
Chunguang Suo   +5 more
doaj   +1 more source

Fast electro‐thermal simulation of short‐circuit tests [PDF]

open access: yesIET Generation, Transmission & Distribution, 2017
Low‐ and medium‐voltage connectors are designed for a service life of more than 30 years, during which they have to withstand extreme conditions, so it is primordial ensuring their thermal performance. Mandatory standardised short‐circuit tests are required to homologate electrical connectors which are conducted in singular and scarce laboratories, so ...
Abomailek Rubio, Basel Carlos   +3 more
openaire   +3 more sources

Short Circuit Testing of Cables: HPL Experience

open access: yesPower Research - A Journal of CPRI, 2022
Cables form the backbone of modern power transmission and distribution systems. Even though, short circuit faults are more common with overhead transmission lines than with underground cables, the thermal and dynamic stress associated with short circuit make it a mandatory withstand requirement.
V. Sreeram   +4 more
openaire   +1 more source

Development and Testing of a 252 kV/2500 A-40 kA Multi-Break Bus-Coupler Fast Vacuum Circuit Breaker

open access: yesEnergies, 2021
It is effective to open the bus-coupler circuit breaker in case of a short-circuit fault. A fast vacuum circuit breaker (FVCB) is an ideal bus-coupler circuit breaker due to its high velocity.
Kui Ma   +7 more
doaj   +1 more source

The energetics of gas flow and contact erosion during short circuit arcing [PDF]

open access: yes, 2004
The processes governing the movement of short circuit arcs in circuit breakers are complex and variable and the detailed understanding of these processes is incomplete.
Weaver, P.M.   +2 more
core   +1 more source

Measurement of electromagnetic environment of hybrid DC circuit breaker during bipolar short circuit fault

open access: yesEnergy Reports, 2022
Hybrid DC circuit breakers (DCBs) have recently been used to break short-circuit fault currents to ensure safety in flexible DC transmission projects. However, electromagnetic transients from DCB operation can interfere with the secondary equipment and ...
Zihan Teng   +5 more
doaj   +1 more source

Test System for Short Circuit Protection of Lithium Ion Storage Battery for Mine

open access: yesMeikuang Anquan, 2020
In this paper, the test system for short circuit protection of lithium ion storage battery is designed. The system is mainly composed of timing control unit and data analysis unit.
GUO Changna
doaj   +1 more source

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