Results 11 to 20 of about 2,108,671 (167)

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   +2 more sources

Study of Switching Overvoltage Protection Measures for Capacitor Compensation Device

open access: yesKongzhi Yu Xinxi Jishu, 2014
The harm of using damping and limiting measures to eliminate switching overvoltage of FC device was analyzed in theory and simulation. It presents that input overvoltage protection mainly depends on the insulation capability of the device and the effect ...
JIANG Jiajiu   +4 more
doaj   +2 more sources

A Review of Overvoltage Protection Technologies and Protective Devices for Wind Turbines

open access: yesEnergies
Wind turbines are persistently threatened by both lightning overvoltage and switching overvoltage due to their ultra-high structure, dense power electronics, and harsh operational environments, which severely endanger the safe and stable operation of the
Jinru Sun   +7 more
doaj   +2 more sources

Determination of protection system requirements for DC UAV electrical power networks for enhanced capability and survivability [PDF]

open access: yes, 2011
A growing number of designs of future Unmanned Aerial Vehicle (UAV) applications utilise dc for the primary power distribution method. Such systems typically employ large numbers of power electronic converters as interfaces for novel loads and generators.
Burt, Graeme   +3 more
core   +4 more sources

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

Protection of Solar Power Generation System from Lightning Induced Overvoltage

open access: yes, 2023
Due to crisis in natural resources and ecological issues, many countries are moving on the road to renewable energy sources. Solar power is the most potential source of renewable energies.
Hossain, MA, Ahmed, MR, Karim, MR
core   +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

Effect of the drop out fuse connection scheme on the overvoltage and the surge arrester in a distribution system

open access: yesEnergy Reports, 2023
Overvoltage is a critical problem of Thailand’ distribution system. The electrical protection device in the distribution system needs to be able to support this level of overvoltage.
Chaiyaporn Lothongkam   +2 more
doaj   +1 more source

Study on lightning protection scheme of multi-terminal MMC-MVDC distribution system

open access: yesHigh Voltage, 2020
Based on a ±10 kV three-terminal MMC-MVDC (medium voltage DC distribution system based on modular multilevel converter) system, in this study, the authors mainly study on the influencing factors and protection schemes of the lightning intruding ...
Yuqun Gao   +7 more
doaj   +1 more source

Research on Overvoltage Suppression by Blocking Diode and DC Circuit Breaker in LCC-VSC Hybrid HVDC System

open access: yesIEEE Access, 2021
In this study, a LCC-VSC hybrid HVDC transmission system was taken as an example. The valve and neutral overvoltage of the hybrid HVDC system were simulated and then calculated at the VSC converter station by installing a blocking diode and a DC circuit ...
Wang Dongju, Zhou Hao
doaj   +1 more source

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