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Short-term load forecasting is a critical element of power systems energy management systems. In recent years, probabilistic load forecasting (PLF) has gained increased attention for its ability to provide uncertainty information that helps…

机器学习 · 计算机科学 2019-03-27 Qicheng Chang , Yishen Wang , Xiao Lu , Di Shi , Haifeng Li , Jiajun Duan , Zhiwei Wang

"Particle methods" are sequential Monte Carlo algorithms, typically involving importance sampling, that are used to estimate and sample from joint and marginal densities from a collection of a, presumably increasing, number of random…

统计计算 · 统计学 2014-07-17 J. N. Corcoran , D. Jennings

Phasor Measurement Unit measurement data have been widely used in nowadays power system applications both in steady state and dynamic analysis. The performance of these applications running in utilities' energy management system depends…

系统与控制 · 电气工程与系统科学 2019-11-06 Chen Wang , Virgilio A. Centeno , Kevin D. Jones , Duotong Yang

In this paper, a phasor measurement unit (PMU)-based wide-area damping control method is proposed to damp the interarea oscillations that threaten the modern power system stability and security. Utilizing the synchronized PMU data, the…

系统与控制 · 电气工程与系统科学 2021-08-04 Ilias Zenelis , Xiaozhe Wang

The objective of this paper is to improve the accuracy and robustness of optimal power flow (OPF) formulations for distribution systems modeled down to the low-voltage point of connection of individual buildings. An approach for addressing…

系统与控制 · 电气工程与系统科学 2023-10-11 Dakota Hamilton , Loraine Navarro , Dionysios Aliprantis

The energy consumption issue in distributed computing systems has become quite critical due to environmental concerns. In response to this, many energy-aware scheduling algorithms have been developed primarily by using the dynamic…

分布式、并行与集群计算 · 计算机科学 2012-06-12 Masnida Emami , Yashar Ghiasi , Nasrin Jaberi

Sensors such as phasor measurement units (PMUs) endowed with GPS receivers are ubiquitously installed providing real-time grid visibility. A number of PMUs can cooperatively enable state estimation routines. However, GPS spoofing attacks…

系统与控制 · 计算机科学 2018-04-27 Paresh Risbud , Nikolaos Gatsis , Ahmad Taha

We present a systematic method to design ubiquitous continuous fast-acting distributed load control for primary frequency regulation in power networks, by formulating an optimal load control (OLC) problem where the objective is to minimize…

系统与控制 · 计算机科学 2016-11-18 Changhong Zhao , Ufuk Topcu , Na Li , Steven Low

Integration of intermittent renewable energy sources in modern power systems is increasing very fast. Replacement of synchronous generators with zero-to-low variable renewables substantially decreases the system inertia. In a large system,…

信号处理 · 电气工程与系统科学 2020-06-23 Mingjian Tuo , Xingpeng Li

Distribution systems of the future smart grid require enhancements to the reliability of distribution system state estimation (DSSE) in the face of low measurement redundancy, unsynchronized measurements, and dynamic load profiles. Micro…

系统与控制 · 电气工程与系统科学 2024-10-28 Austin Cooper , Arturo Bretas , Sean Meyn , Newton G. Bretas

The conventional designs of mobile computation offloading fetch user-specific data to the cloud prior to computing, called offline prefetching. However, this approach can potentially result in excessive fetching of large volumes of data and…

信息论 · 计算机科学 2017-02-24 Seung-Woo Ko , Kaibin Huang , Seong-Lyun Kim , Hyukjin Chae

Phasor measurement units (PMUs) provide high-fidelity data that improve situation awareness of electric power grid operations. PMU datastreams inform wide-area state estimation, monitor area control error, and facilitate event detection in…

信号处理 · 电气工程与系统科学 2020-08-24 Jun Jiang , Xuan Liu , Scott Wallace , Eduardo Cotilla-Sanchez , Robert Bass , Xinghui Zhao

Reducing the energy consumption of mobile phones is a crucial design goal for cellular modem solutions for LTE and 5G standards. In addition to improving the power efficiency of components through structural and technological advances,…

网络与互联网体系结构 · 计算机科学 2019-07-08 Peter Brand , Joachim Falk , Jonathan Ah Sue , Johannes Brendel , Ralph Hasholzner , Jürgen Teich

In projection-based model order reduction, a reduced-order approximation of the original full-order system is obtained by projecting it onto a reduced subspace that contains its dominant characteristics. The problem of frequency-weighted…

系统与控制 · 电气工程与系统科学 2021-05-04 Umair Zulfiqar , Victor Sreeram , Mian Ilyas Ahmad , Xin Du

This paper presents a fast model-agnostic method for recovering noisy Phasor Measurement Unit (PMU) datastreams with missing entries. The measurements are first transformed into a Page matrix, and the original signals are reconstructed…

信号处理 · 电气工程与系统科学 2021-08-09 Shuchismita Biswas , Virgilio A. Centeno

Probabilistic load forecasting (PLF) is a key component in the extended tool-chain required for efficient management of smart energy grids. Neural networks are widely considered to achieve improved prediction performances, supporting highly…

信号处理 · 电气工程与系统科学 2021-01-12 Alessandro Brusaferri , Matteo Matteucci , Stefano Spinelli , Andrea Vitali

Public utilities are faced with situations where high winds can bring trees and debris into contact with energized power lines and other equipments, which could ignite wildfires. As a result, they need to turn off power during severe…

系统与控制 · 电气工程与系统科学 2023-11-14 Aniruddha Rajendra Rao , Chandrasekar Venkatraman , Robert Ellis , Chetan Gupta

Automatic fault detection (AFD) is a key technology to optimize the Operation and Maintenance of photovoltaic (PV) systems portfolios. A very common approach to detect faults in PV systems is based on the comparison between measured and…

Introduction of renewable generation leads to significant reduction of inertia in power system, which deteriorates the quality of frequency control. This paper suggests a new control scheme utilizing controllable load to deal with low…

系统与控制 · 计算机科学 2018-11-30 Oleg O. Khamisov , Janusz W. Bialek , Anatoly Dymarsky

Fast and accurate knowledge of power flows and power injections is needed for a variety of applications in the electric grid. Phasor measurement units (PMUs) can be used to directly compute them at high speeds; however, a large number of…

系统与控制 · 电气工程与系统科学 2026-02-11 Satyaprajna Sahoo , Anwarul Islam Sifat , Anamitra Pal