RTDMS

Real Time Dynamics Monitoring System

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RTDMS is a comprehensive platform for real-time wide-area analysis and monitoring using Synchrophasor data for use in control centers. RTDMS functions include data management, analysis and archiving; real-time visualization; and remote client access via the Intelligent Synchrophasor Gateway (ISG). The data functions include data parsing, bad data detection and handling, calculations, and advanced algorithms including event detection, mode meter, sensitivity, oscillation, islanding detection, etc. The visualization provides a dashboard with all key metrics including frequency, phase angles, power flows, voltages, damping and other key metrics available to operators at a glance for comprehensive wide-area real-time visualization and situational awareness.


The use of RTDMS enables users to:

  • • Take timely corrective actions to address vulnerabilities like oscillations, low damping, large phase angle, diverging phase angle trend, high voltage sensitivity etc.
  • • Make better use of the transmission system by knowing how far we are from the edge
  • • Improve models by comparing actual system behavior with model results

Use Cases of RTDMS


Wide Area Visualization

RTDMS provides displays that enable the user to monitor the entire power grid, diagnose events occurring in the system and take required actions. The situational awareness dashboard provides geospatial displays and views for metrics such as phase angle differences, voltages, frequencies and power flows. Alarms and event analyzer popups in RTDMS enable quick and easy detection and diagnosis of the events as to identifying the time, location and the severity of the event.

Key Features


  • Automated Event Analyzer

  • Automatic Event notifications and analysis when there is an event.

  • Monitoring Grid Stress

  • Real-time tracking and assessment of angular separation across the grid to prevent conditions leading to blackouts.

  • Visualization

  • Dashboard Displays, Local Displays, Geospatial views, Bar Charts, Polar Charts, Dial Chart, Pie Charts, Numeric Charts.

  • Reclosing Lines after Events

  • Use real-time phase angle information to reclose lines after events.

  • Reporting

  • PMU Performance, Baseline Trends, Alarm Logs, Daily Report

  • Event Replay

  • Event Replay, Archival and Access of event data for post disturbance event analysis and performance analysis

  • Open Extensible Platform

  • Data Input - Standard C37.118 Format
  • Open Architecture
  • Integrate various data sources
  • Modular Build - Ability to plug in new functionality, algorithms, monitoring tools/techniques

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About EPG

Electric Power Group, LLC (EPG) has been pioneering the development and deployment of synchro-phasor technologies since 2000. Our principals have extensive experience in running and managing utility grids, investigating root causes of major blackouts (WECC 1996, EI 2003), and leveraging this deep domain knowledge to develop industry leading synchrophasor technology applications for wide area real time monitoring, visualization and situational awareness.

The EPG team has extensive hands-on experience with synchrophasor standards, networks, system architecture, deployments and performance analysis through work at EPG for leading ISO's and utilities including PJM, NYISO, ERCOT, CAISO, MISO, BPA, TVA, SCE, AEP, LADWP, SRP, Duke, Dominion, NYPA and other companies.


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