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Showing 1 to 20 of 55 for “"synchrophasor"”.
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New Methods for Synchrophasor Measurement
… Wide-area monitoring systems (WAMSs) utilizing synchrophasor measurements can help with understanding, forecasting, or even controlling the status of power grid stability in real-time. A power system Frequency Monitoring Network (FNET) was first proposed in 2001 and was established in 2004. As a …
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Voltage Stability Analysis Using Simulated Synchrophasor Measurements
… the applicability of two voltage stability synchrophasor-based indices from literature to analyze the stability of a power system. Various load flow scenarios were conducted on the BPA 10-Bus system and the IEEE 39-Bus System using PowerWorld Simulator. The two indices were analyzed and …
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Power system dynamic modeling and synchrophasor measurements
Made available in DSpace on 2017-08-10T19:14:23Z (GMT). No. of bitstreams: 8 REINHARD-DISSERTATION-2017.pdf: 31360741 bytes, checksum: 9b34deed0eea6c39b38f600f182ab242 (MD5) FW_ Copyright Release Request #296.pdf: 107841 bytes, checksum: 226d766cf25320ed35c09ac701b428e3 (MD5) IEEE copyright …
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Synchrophasor-Only Dynamic State Estimation & Data Conditioning
… EMS system and network applications which employ synchrophasor data. This can be accomplished using a two-fold solution: the pre-processing of phasor data before it arrives at the linear estimator and the by developing a synchrophasor-only dynamic state estimator as a mechanism for bad data …
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Response-Based Synchrophasor Controls for Power Systems
… control, and planning of power systems. Synchrophasor technology may be able to address these concerns, and Phasor Measurement Units (PMUs) are actively being deployed across the Western Interconnection and North America. Initiatives such as the Western Interconnection Synchrophasor …
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Line and Generator Outage Identification using Synchrophasor Measurements
… generators based on their impacts on available synchrophasor measurements so that the outage can be localized to the originating cluster with zero misidentification. The measurement selection problem (or PMU placement problem) can also be solved based on the same. Experimental results also …
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Implementation and lessons learned from the Texas Synchrophasor Network
For decades, power engineers have used simulations to predict grid stability and voltage phase angles. Only recently have equipment been available to actually measure phase angle at points hundreds of miles away. A few of these systems are presently operating in the US by electric grids including …
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On-line Calibration of Instrument Transformers Using Synchrophasor Measurements
… Innovative and efficient algorithms that used synchrophasors came to be written. To make these algorithms robust, it became necessary to remove errors that crept into the power system with time and usage. Thus the process of calibration became essential when practical decisions started being …
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Synchrophasor Based Centralized Remote Synchroscope for Power System Restoration
… units (PMUs) providing time synchronized synchrophasor data, synchroscope functionality can now be implemented at a centralized remote control platform, usually the control room of the specific utility. This thesis presents a technique along with the actual implementation of such a PMU …
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Load Modeling using Synchrophasor Data for Improved Contingency Analysis
For decades, researchers have sought to make the North American power system as reliable as possible with many security measures in place to include redundancy. Yet the increasing number of blackouts and failures have highlighted the areas that require improvement. Meeting the increasing demand for …
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Algorithms and Performance Analysis for Synchrophasor and Grid State Estimation
… Coordinated Universal Time (UTC). Accuracy of synchrophasor measurements is one of the many open challenges that need to be addressed in order to guarantee smart grid reliability and availability. Synchrophasor measurement has gained an undisputed relevance in the research community working on …
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Online Voltage Stability Monitoring and Control Using Limited Synchrophasor Measurements
As the scale and complexity of an interconnected power grid has increased significantly, power systems can be operated close to the verge of voltage instability. With the application of Phasor Measurement Units (PMUs), dispatchers are able to monitor long term voltage stability in a real time …
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Algorithms for the synchrophasor measurement in steady-state and dynamic conditions
… approach to improve the performance of synchrophasor estimation is presented. The method proposes a modified version of the synchrophasor estimation algorithm which uses the non-orthogonal transform defined as Taylor-Fourier Transform (TFT) and which is based on a Weighted Least Squares …
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Big data in power systems: a statistical approach on synchrophasor application
… synchronized by GPS timing, are referred to as synchrophasor data, and have plethora of information about the power system that has traditionally not been observed. The general trend in the use of synchrophasor data is offline, such as model validation and post-event analysis. This thesis aims …
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Synchrophasor Sensing and Processing Based Smart Grid Security Assessment for Renewable Energy Integration
… heterogeneous data sources. Widely distributed synchrophasor sensors, such as phasor measurement units (PMUs) and fault disturbance recorders (FDRs), can record multi-modal signals, for power system situational awareness and renewable energy integration.</p> <p>An effective and economical …
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Synchrophasor-based Fault Location Detection and Classification, in Power Systems, using Artificial Intelligence
… machine learning algorithms on the real-time synchrophasor measurements obtained from the network. The proposed method first generates a bus admittance matrix from the synchrophasor data and then uses a neural network to identify the faulty buses. It is independent of network-specific data of …
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