Results 11 to 20 of about 2,217,215 (210)

Research on the Lightning Intruding Overvoltage and Protection Measures of 500 kV AC Fault Current Limiter

open access: yesEnergies, 2019
As one of the key technologies to solve the problem of high short-circuit current, the fault current limiter (FCL) has become a research hotspot in China and abroad.
Changfu Chen   +8 more
doaj   +2 more sources

Sliding-Mode Control of Distributed Maximum Power Point Tracking Converters Featuring Overvoltage Protection

open access: yesEnergies, 2018
In Photovoltaic (PV) systems with Distributed Maximum Power Point Tracking (DMPPT) architecture each panel is connected to a DC/DC converter, whose outputs are connected in series to feed a grid-connected inverter. The series-connection forces the output
Carlos Andres Ramos-Paja   +2 more
doaj   +2 more sources

IGBT Overvoltage Protection Based on Dynamic Voltage Feedback and Active Clamping

open access: yesApplied Sciences, 2023
In view of the stability of the unmanned aerial vehicle (UAV) power system, this paper found that the voltage spike generated by IGBT mainly occurs when the IGBT is turned off in the study of the power system interior and IGBT drive and overvoltage ...
Mingfang Chen   +5 more
semanticscholar   +1 more source

Influence of ionizing radiation on the stochasticity of overvoltage protection at low, medium, and high voltage levels in gas surge arresters

open access: yesNuclear Technology and Radiation Protection, 2023
The paper considers the possibility of improving the technical characteristics of gas surge arresters for the co-ordination of insulation at low voltage, medium voltage and high voltage levels. The idea for improving the characteristics of a gas surge
Alija Jusić, D. Lazarevic, I. Turkovic
semanticscholar   +1 more source

Paralleling of Transient Overvoltage Protection Elements within High Power DC Solid-State Circuit Breaker (SSCB) for Electric/Hybrid-Electric Aircraft

open access: yes2022 IEEE Workshop on Wide Bandgap Power Devices and Applications in Europe (WiPDA Europe), 2022
This paper discusses the use of different parallel transient overvoltage protection elements to deal with transient overvoltages within high-voltage high-current bidirectional DC solid-state circuit breakers (SSCBs) for electric/hybrid-electric aircraft ...
A. Fayyaz   +4 more
semanticscholar   +1 more source

A Fast-Response High-Accuracy Overvoltage Protection Circuit for Soft-Switching Current-Source Converters

open access: yesEuropean Conference on Cognitive Ergonomics, 2022
Although voltage-source converters (VSCs) have been a focus of research for decades and are widely applied in numerous applications, they face great challenges in short-circuit failures, high dv/dt and electromagnetic interference (EMI), especially using
Z. An   +4 more
semanticscholar   +1 more source

Generator step up transformer overvoltage protection in EPS power plants [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2015
This paper presents the current state of the overvoltage protection of generator transformers in power plants of the Power Company of Serbia (EPS) and gives a critical overview of their overvoltage protection.
Mrvić Jovan   +2 more
doaj   +1 more source

Testing of Selected Surge Protection Devices in the Context of the Possibility of Ensuring the Reliability of Power Grids

open access: yesEnergies, 2023
The paper aims to analyze the parameters of prototypes of new overvoltage protection devices for power grids—a multi-chamber insulator arrester (MCA) and a long flashover arrester (LFA). The article presents the research results on determining the actual
Michał Borecki, Maciej Ciuba
doaj   +1 more source

Influence of radiation on the stability of electrical filters characteristics as components for overvoltage protection

open access: yesNuclear Technology and Radiation Protection, 2022
The paper represents the results of testing the effect of neutron and gamma radiation of radioactive 60Co on electrical filters. Neutron and gamma radiation was chosen because of its conductivity. The analysis of the standard structure of the electric
Teodora Nedić   +3 more
semanticscholar   +1 more source

Insulator fault feature extraction system of substation equipment based on machine vision

open access: yesIET Networks, EarlyView., 2022
Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang   +4 more
wiley   +1 more source

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