Results 31 to 40 of about 25,906,737 (340)

An economical hybrid DC circuit breaker with pre-current-limiting capability

open access: yesEnergy Reports, 2023
Multi-terminal flexible high-voltage-direct-current (HVDC) transmission and DC grid technology are developing rapidly, and the hybrid DC circuit breaker (DCCB) is usually used to protect the DC system, which can quickly remove the fault current and make ...
Guanlong Jia   +4 more
doaj   +1 more source

Combining Modified Weibull Distribution Models for Power System Reliability Forecast [PDF]

open access: yesIEEE Transactions on Power Systems, 2018
Under the deregulated environment, electric utility companies have been encouraged to ensure maximum system reliability through the employment of cost-effective long-term asset management strategies.
Ming Dong, A. Nassif
semanticscholar   +1 more source

A flexible power system operations simulation model for assessing wind integration [PDF]

open access: yes, 2011
Paper presented at the IEEE 2011, Power and Energy Society General Meeting, San Diego, CA, 24-29 July 2011With the advent of wind power generation on worldwide power systems, many operators and researchers are analyzing the impacts that higher future ...
Milligan, M.   +9 more
core   +1 more source

How detailed value of lost load data impact power system reliability decisions

open access: yesEnergy Policy, 2019
The value of lost load (VOLL) is an essential parameter for power system reliability. It represents the cost of unserved energy during power interruptions.
M. Ovaere   +4 more
semanticscholar   +1 more source

Intelligent Start-Up Schedule Optimization System for a Thermal Power Plant

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2007
This paper proposes an intelligent start-up schedule optimization system for a thermal power plant. This system consists of a dynamic simulation, a neural network, and an interactive multi-objective programming technique. In this study, a new intelligent
Masakazu SHIRAKAWA   +2 more
doaj   +1 more source

Cold sintering process for fabrication of a superhydrophobic ZnO–polytetrafluoroethylene (PTFE) ceramic composite

open access: yesJournal of Advanced Ceramics, 2023
Composite coatings or films with polytetrafluoroethylene (PTFE) are typically utilized to offer superhydrophobic surfaces. However, the superhydrophobic surfaces usually have limited durability and require complicated fabrication methods.
Xuetong Zhao   +8 more
doaj   +1 more source

Reliability Based Modeling of Hybrid Solar/Wind Power System for Long Term Performance Assessment

open access: yes, 2021
This paper is concerned with reliability based long-term performance assessment of hybrid solar/wind power system. In particular, an analytical expression is obtained for the theoretical distribution of the power output of the hybrid system by taking ...
Devrim, Yilser   +2 more
core   +1 more source

Time Domain Strain/Stress Reconstruction Based on Empirical Mode Decomposition: Numerical Study and Experimental Validation

open access: yesSensors, 2016
Structural health monitoring has been studied by a number of researchers as well as various industries to keep up with the increasing demand for preventive maintenance routines.
Jingjing He   +5 more
doaj   +1 more source

Microcosmic mechanism and correction of moisture effect on furfural diffusion and equilibrium in oil‐paper insulation

open access: yesHigh Voltage, 2023
Furfural content in oil is considered as an effective parameter to evaluate the ageing state of oil‐immersed transformers. In previous thermal ageing experiments at 130°C, we found that moisture increment in oil‐paper system makes more furfural ...
Dawei Feng   +4 more
doaj   +1 more source

Power electronics and reliability in renewable energy systems [PDF]

open access: yes2012 IEEE International Symposium on Industrial Electronics, 2012
Power Electronics are needed in almost all kind of renewable energy systems. It is used both for controlling the renewable source and also for interfacing to the load, which can be grid-connected or working in stand-alone mode. More and more efforts are put into making renewable energy systems better in terms of reliability in order to ensure a high ...
Frede Blaabjerg, Ke Ma 0002, Dao Zhou
openaire   +3 more sources

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