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Showing 1 to 20 of 53 for “"Phasor Measurement Unit"”.
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Optimal Substation Coverage for Phasor Measurement Unit Installations
… thus indirectly minimizing the synchrophasor deployment costs. Also presented is a brief history of the PMU and its applications along with the conventional Optimal PMU placement problem and the scope for expanding this work.
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Steady State Testing and Analysis of a Phasor Measurement Unit
Phasor Measurement Units (PMUs) have been instrumental in building a reliable and robust Power System. Recent blackouts have increased the importance of PMUs and PMUs from various manufacturers are being installed in the in large quantities in the North American Grid. The interoperability and …
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Development and deployment of a residential voltage level phasor measurement unit
… the production and transmission of synchrophasor data. Synchrophasor data provides near real-time data at widely separated points across the power grid. This data is produced by PMUs, and their ubiquity on the grid is becoming a reality. Commercial PMUs today are proprietary systems which …
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Phasor Measurement Unit (PMU) : based system for event detection on synchronous generators
… generator events are sometimes seen in the Phasor Measurement Unit (PMU) data in the Icelandic power system, probably due to the small size. The use of PMU data with event detection algorithms, along with modeling, could be a method of capturing these events for analysis. The goals of this …
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Development and implementation of an open-box distribution-level phasor measurement unit
Phasor measurement units (PMUs) are considered one of the most important measuring devices in power systems. PMUs are most commonly installed in substations, monitoring three-phase power. They provide synchronized measurements from any location where devices are installed. This synchronization is …
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Phasor measurement unit data visualizations and their role in improving operation of the electric grid
Made available in DSpace on 2017-08-10T19:15:57Z (GMT). No. of bitstreams: 2 GEGNER-THESIS-2017.pdf: 6417677 bytes, checksum: 481fed8deb6ab8e3ee883ab34e2231f5 (MD5) LICENSE.txt: 4212 bytes, checksum: caab9f3c9576b208560d63a6658d71de (MD5) Previous issue date: 2017-04-24
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Estimating the parameters of a Thévenin equivalent system based on output voltage and current measurements: computational challenges and simulated studies
… large-scale power system network based on local measurements. The estimation will use a common mathematical method for an overdetermined system. The motivation is taken from phasor measurement unit (PMU) measurements at specific nodes across a transmission line for monitoring purposes. The ac …
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Application of Wavelet Analysis and Cross-Correlation Techniques to Wide Area Monitoring of Power Systems
<p>The phasor measurement unit (PMU) is a networked, GPS time-synchronized wide-area-monitoring device for modern power transmission systems. The recent and widespread adoption of these devices will provide a wealth of information about the dynamic state of the power system. However, the increasing …
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Open-Source Testbed to Evaluate the Cybersecurity of Phasor Measurement Units
The Phasor Measurement Unit provides clear data for ease of grid visibility. A major component of the device is the Global Positioning System (GPS) for time synchronization across the board. However, this device has become more susceptible to cyber-attacks such as spoofing. This paper constructs an …
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Cooperative congestion control in power grid communication networks
… networks are needed for the delivery of Phasor Measurement Unit (PMU) sensor data with real time guarantees to the control centers for timely decisions. Present day network systems are unable to ensure the real-time needs of the PMU data as they are not designed to support PMU devices. …
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Three-Phase Linear State Estimation with Phasor Measurements
Given the ability of the Phasor Measurement Unit (PMU) to directly measure the system state and the increasing implementation of PMUs across the electric power industry, a natural expansion of state estimation techniques would be one that employed the exclusive use of PMU data. Dominion Virginia …
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The Virginia Tech Calibration System
Phasor measurement unit (PMU) applications on power grid monitoring systems have been implemented since the early ninety's. Large monitoring system network performance relies on the consistent measurements of PMUs across the system. This has become a major challenge for designers since large …
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Techniques for Wide-Area State Estimation in Power Systems
… because of their accurate and readily available measurement capability, the inclusion of phasor measurement unit (PMU) data in the WASE methods is examined. For the purpose of realistically integrating an RTO WASE with current ISOs, the methods are constrained so that they do not require …
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Spoofing GPS receiver clock offset of phasor measurement units
… of a spoofing attack on the GPS receiver of a phasor measurement unit (PMU). We formulate the attack as an optimization problem where the objective is to maximize the difference between the time offset of the PMU's receiver clock before and after the attack. Since the PMU uses this clock offset …
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Two-Stage Fault Location Detection Using PMU Voltage Measurements in Transmission Networks
… [1]. With the development of Wide Area Measurement System (WAMS) and Phasor Measurement Unit (PMU), various fault location algorithms have been proposed. The purpose of this work is to determine, modify and test the most appropriate fault location method which can be implemented with a …
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Intelligent Instability Detection for Islanding Prediction
… in this dissertation is the implementation of phasor measurement unit (PMU) based instability detection for islanding prediction procedures using decision tree and neural network modeling. The islanding in the power system define as a separation of the coherent group of generators from the rest …
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Automation tools for the verification and validation of transient stability models
… the PowerWorld simulations are validated against phasor measurement unit (PMU) data collected during a disturbance. This research focuses on the beginning stages of this effort by creating a graphical user interface (GUI) to automate the formation of validation base cases by mapping generator …
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Available group key management for NASPInet
The North American SynchroPhasor Initiative Network (NASPInet) aims to provide a secure and reliable communication infrastructure for sharing phasor measurement unit (PMU) data among utilities, balancing authorities, reliability coordinators and other pow- er grid entities. Since the data is …
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Power Grid Partitioning and Monitoring Methods for Improving Resilience
… and generation, availability of grid-forming units, and topology constraints such as maintaining network radiality. Microgrids help maintain energy supply to critical loads during grid outages, thereby improving resilience. The second part of the dissertation focuses on wide-area monitoring …
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Optimal placement of phasor measurement units using the Advanced Matrix Manipulation algorithm
… the problem of the Optimal Placement scheme of Phasor Measurement Units in electrical power systems for State Estimation to facilitate improved monitoring and control of the system parameters. The research work done for this thesis begins with review of Supervisory Control and Data Acquisition …
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