نتایج جستجو برای: phasor measurement unit pmu

تعداد نتایج: 805621  

Journal: :Automatica 2021

Abstract In this paper, the fusion estimation problem is investigated for a class of multi-rate power systems with randomly occurring delays in supervisory control and data acquisition (SCADA) measurements. The system measured by SCADA phasor measurement unit (PMU), state updating period allowed to be different from sampling periods PMU. phenomenon characterized set Bernoulli distributed random...

Moaddabi, N., B. Gharehpetian, G. , Karrari, M. , Mirsalim, M. , Zaker, B.,

This paper presents the application of the matching pursuit method to model synchronous generator. This method is useful for online analysis. In the proposed method, the field voltage is considered as input signal, while the terminal voltage and active power of the generator are output signals. Usually, the difference equation with a second degree polynomial structure is used to estimate the co...

Journal: :IEEE open access journal of power and energy 2021

A two-stage machine learning-based approach for creating synthetic phasor measurement unit (PMU) data is proposed in this article. This leverages generative adversarial networks (GAN) generation and incorporates neural ordinary differential equation (Neural ODE) to guarantee underlying physical meaning. We utilize synthetically create massive eventful PMU data, which would otherwise be difficul...

Journal: :IJCIP 2012
Daniel P. Shepard Todd E. Humphreys Aaron A. Fansler

Results from Global Positioning System (GPS) spoofing tests against Phasor Measurement Units (PMUs) are presented, demonstrating that PMUs are vulnerable to spoofing attacks. A GPS spoofer can manipulate PMU time stamps by injecting a counterfeit ensemble of GPS signals into the antenna of the PMU’s time reference receiver. A spoofer-induced timing error of only a few tens of microseconds cause...

2009
Richard Baltensperger Alain Loosli Hubert Sauvain Marija Zima Göran Andersson Reynaldo Nuqui

State estimation is an important tool for power system supervision and control and the related applications. Based on the redundant measurements taken in the network, state estimation provides the most likely state of the power system. Conventional measurements were collected by the SCADA system and the measurement chain did not allow measurement synchronization. A disadvantage is that due to t...

In this paper, an efficient and comprehensive hybrid intelligent technique for the optimal placement of phasor measurement units (PMUs) is proposed to minimize the number of PMU installation subjected to full network observability. Three main purposes of PMUs output synchronous measurements are monitoring, control, and protection of power system. We have combined Binary Imperialistic Competitio...

Journal: :CoRR 2014
Ben McCamish Rich Meier Jordan Landford Robert B. Bass Eduardo Cotilla Sanchez David Chiu

Increased adoption and deployment of phasor measurement units (PMU) has provided valuable fine-grained data over the grid. Analysis over these data can provide real-time insight into the health of the grid, thereby improving control over operations. Realizing this data-driven control, however, requires validating, processing and storing massive amounts of PMU data. This paper describes a PMU da...

Journal: :Protection and Control of Modern Power Systems 2021

Abstract Real time monitoring and control of a modern power system has achieved significant development since the incorporation phasor measurement unit (PMU). Due to time-synchronized capabilities, PMU increased situational awareness (SA) in wide area (WAMS). Operator SA depends on data pertaining real-time health grid. This is measured by PMUs accessible for analytics at station referred as co...

Journal: :CoRR 2013
Kyatsandra G. Nagananda

The goal of this paper is to study the impact of the dynamic nature of bus voltage magnitudes and phase angles, which constitute the state of the power system, on the phasor measurement unit (PMU) placement problem. To facilitate this study, the placement problem is addressed from the perspective of the electrical structure which, unlike existing work on PMU placement, accounts for the sensitiv...

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