Results 31 to 40 of about 154 (146)
A Fiber-Wireless Sensor Networks QoS Mechanism for Smart Grid Applications
Smart grid applications, such as teleprotection, synchrophasors, remote condition monitoring, and control of assets, require timely and reliable data communication systems.
Michael Akerele +2 more
doaj +1 more source
Real-Time Simulation and Hardware-in-the-Loop Testbed for Distribution Synchrophasor Applications
With the advent of Distribution Phasor Measurement Units (D-PMUs) and Micro-Synchrophasors (Micro-PMUs), the situational awareness in power distribution systems is going to the next level using time-synchronization.
Matthias Stifter +3 more
doaj +1 more source
Improving protection of medium voltage networks [PDF]
This paper presents an efficiency analysis of medium-voltage distribution network protection and considers directions for improving protection characteristics based on synchronized phasor measurement technology (SPM).
Piskunov Sergey, Mokeev Alexey
doaj +1 more source
Cross-Synchronized Fundamental and Harmonic Synchrophasor Estimation Using a Frequency-Adaptive DFT
Modern distribution systems face increasing penetration of Inverter-based Resources (IBRs), which introduce fast transients and harmonic distortion. Monitoring these IBRs provides essential information to enhance the reliability and resilience of the ...
Yijie Zhou, Virgilio Centeno
doaj +1 more source
Transformer protection, automation and monitoring systems [PDF]
This paper presents the results of research on improving the protection, automation and monitoring systems of power transformers (PT) in 6-35 kV distribution networks.
Piskunov Sergey +2 more
doaj +1 more source
GECM-Based Voltage Stability Assessment Using Wide-Area Synchrophasors
Voltage instability is a crucial issue in the secure operation of power grids. Several methods for voltage stability assessment were presented. Some of them are highly computationally intensive, while others are reported not to work properly under all ...
Heng-Yi Su, Tzu-Yi Liu
doaj +1 more source
In a modern electric power transmission grid, the phasor measurement unit requires a reliable transport of its sampled statistics with a low end-to-end failure rate (EEFR) to ensure the accuracy of the grid state estimation.
Boyang Zhou +3 more
doaj +1 more source
Microgrid Islanding Detection Using D-PMU and Phase Angle Analysis of Negative Sequence Impedance
Unintentional islanding detection is a major challenge during the operation of a microgrid. When islanding occurs, distributed energy resources (DERs) need to be disconnected quickly, under 2 seconds, which makes fast islanding detection crucial.
Asim Chaulagain +3 more
doaj +1 more source
Synchrophasor devices guarantee situation awareness for real-time monitoring and operational visibility of smart grid. With their widespread implementation, significant challenges have emerged, especially in communication, data quality and cybersecurity.
Aditya Sundararajan +3 more
doaj +1 more source
Improving state estimation in smart distribution grid using synchrophasor technology: a comparison study [PDF]
Both the growing number of dispersed generation plants and storage systems and the new roles and functions on the demand side (e.g. demand side management) are making the operation (monitoring and control) of electrical grids more complex, especially in ...
Marc Richter +2 more
doaj +1 more source

