Results 71 to 80 of about 55,602 (284)

A simplified analytical approach for optimal planning of distributed generation in electrical distribution networks [PDF]

open access: yes, 2019
DG-integrated distribution system planning is an imperative issue since the installing of distributed generations (DGs) has many effects on the network operation characteristics, which might cause significant impacts on the system performance. One of the
Amer, M.   +5 more
core   +1 more source

Influence of Arc Faults on Pressure Production Characteristics in AC Turret of UHV Transformers

open access: yesHigh Voltage, EarlyView.
ABSTRACT The overpressure caused by arc fault in the oil tank can lead to a transformer explosion. Since the AC turret of transformers serves to connect the transformer windings with the AC busbar, the arc current can be extremely high if an earth fault arc occurs leading to potentially hazardous pressure.
Yuhang Li   +4 more
wiley   +1 more source

Reliability Evaluation of a Metro Traction Substation Based on the Monte Carlo Method

open access: yesIEEE Access, 2019
The study of a metro traction power supply system reliability makes a significant contribution to researching on new power supply principles and configuration, and also providing a reference for system design and operation.
Kunpeng Li   +4 more
doaj   +1 more source

Modelling Interdependent Cascading Failures in Real World Complex Networks using a Functional Dependency Model [PDF]

open access: yes, 2015
Infrastructure systems are becoming increasingly complex and interdependent. As a result our ability to predict the likelihood of large-scale failure of these systems has significantly diminished and the consequence of this is that we now have a ...
Dunn, S., Holmes, M., Wilkinson, S.
core  

Long-Term Voltage Stability Assessment of an Integrated Transmission Distribution System

open access: yes, 2017
Long-term voltage stability assessment (VSA) of independent transmission (T-VSA) and distribution (D-VSA)systems have been studied since long to estimate load margins. However, their impacts on each other have been neglected due to simplified assumptions
Ajjarapu, Venkataramana, Singhal, Ankit
core   +1 more source

Transient thermal modelling of substation connectors by means of dimensionality reduction [PDF]

open access: yes, 2017
This paper proposes a simple, fast and accurate simulation approach based on one-dimensional reduction and the application of the finite difference method (FDM) to determine the temperatures rise in substation connectors.
Abomailek Rubio, Basel Carlos   +3 more
core   +2 more sources

Comparison of Dielectric Recovery After Arc Burning in SF6 Gas and Its Potential Alternatives

open access: yesHigh Voltage, EarlyView.
ABSTRACT Although sulphur hexafluoride (SF6) exhibits exceptional insulating properties, it is a potent greenhouse gas. Therefore, studying alternatives to SF6 is critical for developing environmentally friendly high‐voltage electrical equipment.
Ziqi Liu   +4 more
wiley   +1 more source

Analysis of curtailment at The Geysers geothermal Field, California [PDF]

open access: yes, 2020
Geothermal energy has traditionally been viewed as a baseload energy source, but the rapid growth of intermittent renewable energy has led to a need for more flexibility in power generation to avoid mandatory curtailment imposed by grid operators.
Dobson, P   +5 more
core  

Rare Lightning and Convection Characteristics During Two Successive Tornadoes in Southern China

open access: yesHigh Voltage, EarlyView.
ABSTRACT Systematic investigations into lightning characteristics of tornado storms in China remain scarce. This study comprehensively analyses rare lightning behaviour and overshooting top characteristics for two successive tornadoes during a long‐lived supercell in southern China on 27 April 2024.
Fengquan Li   +9 more
wiley   +1 more source

Embedded intelligence for electrical network operation and control [PDF]

open access: yes, 2011
Integrating multiple types of intelligent, mulitagent data analysis within a smart grid can pave the way for flexible, extensible, and robust solutions to power network ...
Catterson, Victoria   +2 more
core   +1 more source

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