Results 21 to 30 of about 2,695,683 (337)

Voltage Multistability and Pulse Emergency Control for Distribution System with Power Flow Reversal [PDF]

open access: yes, 2015
High levels of penetration of distributed generation and aggressive reactive power compensation may result in the reversal of power flows in future distribution grids.
Nguyen, Hung D., Turitsyn, Konstantin
core   +2 more sources

Study on internet of things architecture of substation online monitoring equipment [PDF]

open access: yesMATEC Web of Conferences, 2021
This paper introduces the structure of the existing on-line monitoring system, and analyzes the problems of poor compatibility and reliability of IED in different manufacturers.
Zhang Hejun   +5 more
doaj   +1 more source

Optimization of reactive power in distribution networks with DG based on improved particle swarm algorithm [PDF]

open access: yesE3S Web of Conferences
The integration of Distributed Generation (DG) into the distribution network can effectively alleviate the problems of energy shortage and air pollution, but the DG output has the characteristics of uncertainty and randomness, and the integration will ...
Xu Shanshan   +4 more
doaj   +1 more source

Ageing behaviour of a polyethylene blend: influence of chemical defects and morphology on charge transport

open access: yesHigh Voltage, 2020
The properties of novel cable insulation systems will rely critically upon the morphology of the material. Here, a blend of high and low-density polyethylene (PE) was processed in order to generate three sets of samples with different morphologies.
Somyot Tantipattarakul   +2 more
doaj   +1 more source

Charging models for airborne suspended particles around HVDC lines

open access: yesHigh Voltage, 2021
Ground total electric field (GTEF) is a vital parameter in the field of electromagnetic environment of high voltage direct current (HVDC) lines. Some experimental works reported that airborne suspended particles can be charged in the corona ion flow of ...
Kun He   +6 more
doaj   +1 more source

Distributed Generation as Voltage Support for Single Wire Earth Return Systems [PDF]

open access: yes, 2004
Key issues for distributed generation (DG) inclusion in a distribution system include operation, control, protection, harmonics, and transients. This paper analyzes two of the main issues: operation and control for DG installation.
Kashem, Mohammad, Ledwich, Gerard
core   +2 more sources

Transmission Line Fault Diagnosis Method Based on Improved Multiple SVM Model

open access: yesIEEE Access, 2023
The accurate diagnosis of transmission line fault types is a prerequisite for quickly removing faults and restoring power supply, as well as the key to effectively reducing user economic losses, ensuring stable operation of the power system.
Peichuan Sun   +5 more
doaj   +1 more source

Development of a smart transformer to control the power exchange of a microgrid [PDF]

open access: yes, 2013
A smart transformer enables to control the power exchange between a microgrid and the utility network by controlling the voltage at the microgrid side within certain limits.
De Kooning, Jeroen   +3 more
core   +1 more source

Secure High DER Penetration Power Distribution Via Autonomously Coordinated Volt/VAR Control [PDF]

open access: yes, 2020
Traditionally voltage control in distribution power system (DPS) is performed through voltage regulating devices (VRDs) including on load tap changers (OLTCs), step voltage regulators (SVRs), and switched capacitor banks (SCBs). The recent IEEE 1547-2018
Joseph, Anto   +2 more
core   +1 more source

On specification-based cyber-attack detection in smart grids

open access: yesEnergy Informatics, 2022
The transformation of power grids into intelligent cyber-physical systems brings numerous benefits, but also significantly increases the surface for cyber-attacks, demanding appropriate countermeasures.
Ömer Sen   +7 more
doaj   +1 more source

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