Results 41 to 50 of about 38,232 (201)
Energies, 2020 Parameter estimation based on the measurement data of the phasor measurement unit (PMU) is an important approach for identifying the Thévenin equivalent parameters (TEPs) of power systems. However, in the process of acquiring or transmitting data in PMU,
Anan Zhang +3 more
doaj +1 more source
IET Science, Measurement & Technology, 2021 A reliability‐based optimal μ‐PMU (micro‐phasor measurement unit) placement scheme is suggested for efficient observability enhancement of smart distribution grids at steady‐state and contingencies conditions.
Arya Abdolahi +3 more
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Robust Identification Method for Transmission Line Parameters That Considers PMU Phase Angle Error
IEEE Access, 2020 Accurate transmission line parameters are the basis of power system calculations. The measured phasor measurement unit (PMU) phase angle data at both ends of a line may contain large errors caused by synchronization problems, which can seriously affect ...
Ancheng Xue +6 more
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A Software-based Low-Jitter Servo Clock for Inexpensive Phasor Measurement Units
, 2018 This paper presents the design and the implementation of a servo-clock (SC) for low-cost Phasor Measurement Units (PMUs). The SC relies on a classic Proportional Integral (PI) controller, which has been properly tuned to minimize the synchronization ...
Brunelli, Davide +4 more
core +1 more source
Multiscale PMU Data Compression via Density-Based WAMS Clustering Analysis
Energies, 2019 This paper presents a multiscale phasor measurement unit (PMU) data-compression method based on clustering analysis of wide-area power systems. PMU data collected from wide-area power systems involve local characteristics that are significant risk ...
Gyul Lee +3 more
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Smart Closed‐Loop Systems in Personalized Healthcare: Advances and Outlook
Advanced Materials Technologies, EarlyView.A smart closed‐loop e‐textile integrates multimodal sensing, onboard processing, wireless communication, and wearable power to enable real‐time physiological/biochemical monitoring and feedback‐controlled therapy. ABSTRACT Smart textiles represent a revolutionary frontier in healthcare, seamlessly blending fabric and advanced technologies to create ...
Safoora Khosravi +12 more
wiley +1 more source
Tunable Switching Mechanisms in HfZrO2‐Based Tunnel Junctions for High‐Performance Synaptic Arrays
Advanced Science, EarlyView.This work demonstrates hybrid switching in engineered HZO‐based FTJs, enabled by controlled interlayer design and oxygen scavenging dynamics. The combined switching mechanism produces robust multilevel conductance states in large crossbar arrays, offering a materials‐driven pathway toward scalable in‐memory computing with enhanced tunability and ...
Jiwon You +8 more
wiley +1 more source
Time Synchronization Sensitivity in SV-based PMU Consistency Assessment
Metrology, 2023 Modern power systems are rapidly transitioning towards a fully digital substation paradigm. Based on the IEC 61850, a common communication protocol between the different intelligent electronic devices (IEDs) promises a significant enhancement in terms of
Marco Agustoni +3 more
doaj +1 more source
Application of Advanced Early Warning Systems with Adaptive Protection [PDF]
, 2015 This project developed and field-tested two methods of Adaptive Protection systems utilizing synchrophasor data. One method detects conditions of system stress that can lead to unintended relay operation, and initiates a supervisory signal to modify ...
Ashrafi, Frank +7 more
core
, 2017 This paper demonstrates the feasibility of implementing Real-Time State Estimators (RTSEs) for Active Distribution Networks (ADNs) in Field-Programmable Gate Arrays (FPGAs) by presenting an operational prototype.
Kettner, Andreas Martin, Paolone, Mario
core +1 more source