中文
相关论文

相关论文: State Estimation in Electric Power Systems Leverag…

200 篇论文

Exponential random graph models (ERGMs) are very flexible for modeling network formation but pose difficult estimation challenges due to their intractable normalizing constant. Existing methods, such as MCMC-MLE, rely on sequential…

社会与信息网络 · 计算机科学 2025-02-05 Angelo Mele

Having actual models for power system components (such as generators and loads or auxiliary equipment) is vital to correctly assess the power system operating state and to establish stability margins. However, power system operators often…

信号处理 · 电气工程与系统科学 2020-01-22 Artem Mikhalev , Alexander Emchinov , Samuel Chevalier , Yury Maximov , Petr Vorobev

Automated equipment health monitoring from streaming multisensor time-series data can be used to enable condition-based maintenance, avoid sudden catastrophic failures, and ensure high operational availability. We note that most complex…

机器学习 · 计算机科学 2020-07-01 Jyoti Narwariya , Pankaj Malhotra , Vishnu TV , Lovekesh Vig , Gautam Shroff

Weather forecasting is an essential task to tackle global climate change. Weather forecasting requires the analysis of multivariate data generated by heterogeneous meteorological sensors. These sensors comprise of ground-based sensors,…

机器学习 · 计算机科学 2023-02-16 Gaganpreet Singh , Surya Durbha , Shreelakshmi C R

This study delves into the application of graph neural networks in the realm of traffic forecasting, a crucial facet of intelligent transportation systems. Accurate traffic predictions are vital for functions like trip planning, traffic…

机器学习 · 计算机科学 2023-10-30 Razib Hayat Khan , Jonayet Miah , S M Yasir Arafat , M M Mahbubul Syeed , Duc M Ca

With the proposition to install a large number of phasor measurement units (PMUs) in the future power grid, it is essential to provide robust communications infrastructure for phasor data across the network. We make progress in this…

信息论 · 计算机科学 2015-01-05 K. G. Nagananda , Shalinee Kishore , Rick S. Blum

In this paper, we study the placement of Phasor Measurement Units (PMU) for enhancing hybrid state estimation via the traditional Gauss-Newton method, which uses measurements from both PMU devices and Supervisory Control and Data…

最优化与控制 · 数学 2016-11-15 Xiao Li , Anna Scaglione , Tsung-Hui Chang

Phasor measurement units (PMUs) can be effectively utilized for the monitoring and control of the power grid. As the cyber-world becomes increasingly embedded into power grids, the risks of this inevitable evolution become serious. In this…

系统与控制 · 计算机科学 2016-05-23 Ahmad F. Taha , Junjian Qi , Jianhui Wang , Jitesh H. Panchal

We propose a framework for integrating optimal power flow (OPF) with state estimation (SE) in the loop for distribution networks. Our approach combines a primal-dual gradient-based OPF solver with a SE feedback loop based on a limited set…

最优化与控制 · 数学 2022-05-05 Yi Guo , Xinyang Zhou , Changhong Zhao , Lijun Chen , Tyler H. Summers

Distribution System State Estimation (DSSE) is becoming increasingly important with the integration of Distributed Energy Resources (DERs) and the active operation of distribution networks (DNs), but it remains challenging due to the…

最优化与控制 · 数学 2026-05-25 J. G. De la Varga , S. Pineda , A. Stratigakos , J. M. Morales

This paper presents a wide-area event classification in transmission power grids. The deep neural network (DNN) based classifier is developed based on the availability of data from time-synchronized phasor measurement units (PMUs). The…

信号处理 · 电气工程与系统科学 2020-08-25 Iman Niazazari , Amir Ghasemkhani , Yunchuan Liu , Shuchismita Biswas , Hanif Livani , Lei Yang , Virgilio Centeno

Recently there has been significant research on power generation, distribution and transmission efficiency especially in the case of renewable resources. The main objective is reduction of energy losses and this requires improvements on…

机器学习 · 统计学 2016-06-17 Stefan Hosein , Patrick Hosein

Power control in decentralized wireless networks poses a complex stochastic optimization problem when formulated as the maximization of the average sum rate for arbitrary interference graphs. Recent work has introduced data-driven design…

信息论 · 计算机科学 2021-05-04 Ivana Nikoloska , Osvaldo Simeone

The Phasor measurement unit (PMU) measurements are mandatory to monitor the power system's voltage stability margin in an online manner. Monitoring is key to the secure operation of the grid. Traditionally, online monitoring of voltage…

系统与控制 · 电气工程与系统科学 2024-12-20 Kishan Prudhvi Guddanti , Amarsagar Reddy Ramapuram Matavalam , Yang Weng

State estimation allows to monitor power networks, exploiting field measurements to derive the most likely grid state. In the literature, measurement errors are usually assumed to follow zero-mean Gaussian distributions; however, it has…

系统与控制 · 电气工程与系统科学 2023-03-07 Marta Vanin , Tom Van Acker , Reinhilde D'hulst , Dirk Van Hertem

The problem of effective use of Phasor Measurement Units (PMUs) to enhance power systems awareness and security is a topic of key interest. The central question to solve is how to use this new measurements to reconstruct the state of the…

系统与控制 · 电气工程与系统科学 2020-04-16 Alexey Bobtsov , Romeo Ortega , Nikolay Nikolaev , Johannes Schiffer , M. Nicolai L. Lorenz-Meyer

Ensuring electricity grid reliability becomes increasingly challenging with the shift towards renewable energy and declining conventional capacities. Distribution System Operators (DSOs) aim to achieve grid reliability by verifying the n-1…

It is presented a simple algorithm for power network state estimation and correction (fault detection) employing standard methodology.

信号处理 · 电气工程与系统科学 2017-10-10 P. Barcia , P. Castelo Ferreira , P. Freitas

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

Power system state estimation (SE) is foundational for grid monitoring, yet conventional centralized solvers face increasing computational pressure as the system scale and real-time requirements grow. This paper presents a GPU-native…

系统与控制 · 电气工程与系统科学 2026-04-28 Yifei Xu , Yuzhang Lin