PI: Vittal, Vijay This project developed an integrated algorithm to identify a cutset for a large power system for the application of a slow coherency based controlled islanding scheme. Controlled islanding is employed as a corrective measure of last resort to prevent... |
|
PI: Amidan, Brett This project is also examining phase angles that are measured across the footprints of the same four ISOs in the Eastern Interconnection. It incorporates advanced statistical data processing techniques to identify trends in (or patterns involving)... |
|
PI: Makarov, Yuri The objective of this project was to continue development of a new and efficient on-line technology and demonstration tool for monitoring and express-analysis of dynamic processes in power systems using phasor measurements to increase situation... |
|
PI: Buckner, Mark The objective of this activity is to develop a learning system that adequately characterizes the dynamic performance of generators, loads, and storage devices connected to the electric grid. This includes electronically coupled devices and other low-... |
|
PI: Rice, Mark A curated power grid data repository (PGDR) will provide researchers and developers with access to fully-curated data sets with known data quality handled in an automated process using well-tested and well-documented algorithms. Such... |
|
PI: Thorp, Jim This project is developing a new approach for conditioning and validating synchrophasor data for real-time applications with the aim of providing experience-based recommendations for making the synchrophasor infrastructure more robust. Demonstration of... |
|
PI: Tuffner, Frank PI: Amidan, Brett This project is applying advanced statistical data processing techniques to examine phasor measurements provided by the Bonneville Power Administration. It uses these techniques to identify trends in (or patterns involving) multiple phase angles or... |
|
PI: Venkatasubramanian, Mani This project is demonstrating full-scale, on-line and off-line software prototype tools with Entergy, WECC, and Peak RC that detect and analyze system oscillations from either ambient or disturbed system PMU measurements. In contrast to other tools,... |
|
PI: Eto, Joe In FY14, DOE initiated a scoping study to identify potential uses and benefits of installing phasor measurement units (PMUs) within electricity distribution systems and the associated research and development that is required to realize these benefits... |
|
PI: Tuffner, Frank The objective of this work was to conduct a survey of existing tools that provide similar functionality to the DSI Toolbox. Pending a favorable review of that survey, then the PNNL team will pursue two primary activities for updating... |
|
PI: Etingov, Pavel This tool uses PMU measurements recorded during system disturbances to automate the calculation of power system frequency response. It has been developed to facilitate standardized analysis and reporting of frequency response following the requirements... |
|
PI: Dyer, Jim The project builds upon earlier work to assess current available metrics, perform a comparative assessment of data on metrics used by different Independent System Operators (ISOs) and regions, identify gaps in available metrics, define metrics needed... |
|
PI: Tuffner, Frank This project is enhancing a spectral coherence algorithm to improve the detection of persistent oscillations in the power system in a manner that will provide better information on the characteristics of these oscillations to the end user. This phase... |
|
PI: Liu, Yilu This activity encompasses assessing the impact of measurement errors on synchrophasor measurement unit (PMU) applications. IEEE Standard C37.118 defines the accuracy requirements for PMUs. Frequency and angle errors from the standard is used in the... |
|
PI: Dagle, Jeff PI: Huang, Zhenyu (Henry) The objective is the development of a grid operations procedure using modal analysis for improving grid stability based on phasor measurements. To meet this need, modal analysis will be further explored in this project to develop real-time applications... |
|
PI: Tuffner, Frank PI: Dagle, Jeff This project is enhancing algorithms for use in a mode meter that will detect, analyze, and potentially help localize forced oscillations in a power system. It also supports BPA in conducting probing tests for modal analysis... |
|
PI: Buckner, Mark This project is developing methods and data needed to assess the measurement capabilities that will be required by the next generation of PMUs in order for them to support future power system applications.
|
|
PI: Bose, Anjan This project was designed to work with industry leaders to frame potential demonstrations of emerging real-time control concepts on bulk power systems. These concepts would then be presented to stakeholders for potential funding in FY10 and beyond. ... |
|
PI: Zhou, Ning The objective of this project was to improve the capability of BPA to manage the enormous amount of data used and generated in various analysis processes including oscillation detection. Working with domain experts in BPA, this project worked to... |
|
PI: Eto, Joe PI: Stewart, Emma PI: Smith, Travis PI: Buckner, Mark PI: Kirkham, Harold PI: Tuffner, Frank PI: Schoenwald, Dave This study addresses the potential use of phasor measurement units (PMUs) within electricity distribution systems, and was written to assess whether or not PMUs could provide significant benefit, at the national level. We analyze examples of present... |
|
PI: Tuffner, Frank The objective of this work was to extend the existing spectral coherence algorithm to improve the detection of persistent oscillations and provide more tractable information to the end user, in the form of daily summaries or outputs. Determining... |
|
PI: Kezunovic, Mladen The scope of this project was to investigate the potential benefits of integrating information obtained by phasor measurement units (PMU) and other intelligent electronic devices (IED) into the control center real-time monitoring and control solution... |
|
PI: Martin, Ken This project developed a prototype application for validating and conditioning real-time synchrophasor data. This application works with the data and measurement characteristics themselves and does not require the power system model for operation. It... |
|
PI: Buckner, Mark This project addresses gaps in synchrophasor metrology, including identification of emerging needs and development of solutions in the form of techniques, procedures, and tools. This project involves strong working relationships with NIST and NERC.
|
|
PI: Bhargava, Bharat Building on earlier baselining and analysis work for the four Eastern Interconnetion ISOs (PJM, MISO, NY ISO, and ISO-NE), this project will include address the recommendations from the ISOs. Working with representatives from each of the ISOs in the... |
|
PI: Diao, Ruisheng This tools suite to be developed uses PMU measurements to validate the models and calibrate incorrect parameters to describe a generator’s dynamic performance. It offers a non-intrusive alternative to traditional stage testing methods to provide this... |
|
PI: Chow, Joe The main objective of this project is to develop a voltage stability margin computation method using PMU data. The approach is to use the PMU data to estimate the Thevenin equivalent voltage and reactance, allowing a smaller size system to be analyzed... |
|