Results 11 to 20 of about 14,277,999 (385)

Availability and LCOE Analysis Considering Failure Rate and Downtime for Onshore Wind Turbines in Japan

open access: yesEnergies, 2021
In this study, the availability and the levelized cost of energy (LCOE) are investigated considering failure rate and downtime for onshore wind turbines in Japan.
Yuka Kikuchi, Takeshi Ishihara
doaj   +1 more source

Influence of the effectiveness of raw materials on the reliability of thermoelectric cooling devices. Part I: single-stage TEDs [PDF]

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2015
Increase of the reliability of information systems depends on the reliability improvement of their component elements, including cooling devices, providing efficiency of thermally loaded components. Thermoelectric devices based on the Peltier effect have
Zaikov V. P.   +3 more
doaj   +1 more source

Probability-Based Failure Evaluation for Power Measuring Equipment

open access: yesEnergies, 2021
Accurate reliability and residual life analysis is paramount during the designing of reliability requirements and rotation of power measuring equipment (PME). However, the sample dataset of failure is usually sparse and contains inevitable pollution data,
Jie Liu   +4 more
doaj   +1 more source

Optimal management of vegetation maintenance and the associated costs of its implementation in overhead power distribution systems

open access: yesTecnoLógicas, 2019
Network operators work constantly to maintain an appropriate level of reliability in their power supply and to preserve the integrity of the vegetation growing underneath overhead power distribution systems.
Johan S. Correa-Tamayo   +2 more
doaj   +1 more source

To Burn-In, or Not to Burn-In: That’s the Question

open access: yesAerospace, 2019
In this paper it is shown that the bathtub-curve (BTC) based time-derivative of the failure rate at the initial moment of time can be considered as a suitable criterion of whether burn-in testing (BIT) should or does not have to be conducted.
Ephraim Suhir
doaj   +1 more source

Operation of Circuit Breakers: Data and Analysis

open access: yesMultidisciplinary Journal for Education, Social and Technological Sciences, 2021
An attempt has been made for the analysis on Circuit breakers (CBs) this paper. First, the types and arcing phenomenon of Oil and SF6 Circuit breakers were briefly discussed.
Victory C. Madueme   +4 more
doaj   +1 more source

Miniscrews failure rate in orthodontics: systematic review and meta-analysis

open access: yesEuropean Journal of Orthodontics, 2018
Background Miniscrews in orthodontics have been mainly used for anchorage without patient compliance in orthodontic treatment. The literature has reported changing failure rates.
Fahad Alharbi   +2 more
semanticscholar   +1 more source

Introduction of an Auxiliary Breaker into the Generator-Transformer Block for Energy Saving in Open Switchgear Circuits of Power Plants

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2023
A need in finding of new ways of energy saving at open switchgears of power plants is substantiated. In order to increase energy saving efficiency, an auxiliary breaker is suggested to be inserted between a transformer of a block and its two high-voltage
A. S. Barukin   +3 more
doaj   +1 more source

Performance and Reliability of Wind Turbines: A Review

open access: yesEnergies, 2017
Performance (availability and yield) and reliability of wind turbines can make the difference between success and failure of wind farm projects and these factors are vital to decrease the cost of energy. During the last years, several initiatives started
Sebastian Pfaffel   +2 more
doaj   +1 more source

Reliability Enhancement in Power Networks under Uncertainty from Distributed Energy Resources

open access: yesEnergies, 2019
This paper presents an integrated approach for assessing the impact that distributed energy resources (DERs), including intermittent photovoltaic (PV) generation, might have on the reliability performance of power networks.
Mike Brian Ndawula   +2 more
doaj   +1 more source

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