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Showing 1 to 18 of 18 for “"Synchrophasor measurements"”.
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Voltage Stability Analysis Using Simulated Synchrophasor Measurements
… research have been focused on time-synchronized measurements of power systems which can be used to frequently determine the state of a power system and can lead to a more robust protection, control and operation performance. This thesis discusses the applicability of two voltage stability …
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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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Line and Generator Outage Identification using Synchrophasor Measurements
… of phasor measurement units (PMUs), synchronized measurements with high temporal resolution provide new opportunities for event detection and identification in electric power systems. This thesis focuses on two types of outages: line and generator outages. For line outages, an identification …
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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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Online Voltage Stability Monitoring and Control Using Limited Synchrophasor Measurements
… margin. To utilize limited available PMU measurements, State Calculator (SC) is included in the algorithm to approximate the dynamic states at the buses where PMU measurements are not available. The online voltage regulating method in terms of On-load Tap Changer (OLTC) control is also …
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An Iterative Technique for Instrument Transformer Calibration and Line Parameter Estimation with Synchrophasor Measurements
The introduction of synchrophasor technology to the realm of power systems has presented a myriad of novel approaches to age-old problems. In this thesis, the questions of instrument transformer calibration and transmission line parameter estimation have been examined. With synchrophasors offering …
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A New Method of Determining the Transmission Line Parameters of an Untransposed Line using Synchrophasor Measurements
… using synchronized voltage and current measurements from both ends of a transmission line. One of the biggest problems facing the synchronized measurement method is line transposition. Several methods have been proposed that demonstrate how the line parameters of a transposed line may be …
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Synchronized Phasor Measurement Units Applications in Three-phase Power System
… time stamps of voltage and current phasor measurements, which are consistent with Coordinated Universal Time (UTC), a coherent picture of the power system state can be achieved through either direct measurements or simple linear calculations. With the growing number of PMUs installed or …
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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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PMU-Driven Fault Location in Distribution Systems with DERs: Impedance-Based and Multi-Agent System Strategies
… in distribution networks, this study leverages synchrophasor measurements for fault location, addressing gaps in the existing literature. Conventional fault location methods often rely on centralized architectures, creating a single point of failure due to their dependence on central computing …
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Data-Centric Situational Awareness and Management in Intelligent Power Systems
… based on characterization and analytics of the synchrophasor measurements. Specifically, the optimal synchrophasor measurement devices selection algorithm (OSMDSA) and matching pursuit decomposition (MPD) based spatial-temporal synchrophasor data characterization method was developed to reduce …
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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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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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A Robust Dynamic State and Parameter Estimation Framework for Smart Grid Monitoring and Control
… should be robust to gross errors on the measurements and the model parameter values while providing good state estimates even in the presence of large dynamical system model uncertainties and non-Gaussian thick-tailed process and observation noises. It turns out that the current Kalman …
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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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Utility Applications of Smart Online Energy Systems: A case for Investing in Online Power Electronics
… online FACTS and HVDC controllers based on synchrophasor measurements. The devices are modelled in Siemens PTI’s PSS®E software, through steady-state mode case study to investigate power flow control and voltage support. Comparison between similar FACTS technologies, such as SVC and STATCOM, …