NYISO Situational Awareness Dashboard

Transcription

1 EPCC 2015 May 17-20, Bled SLOVENIA NYISO Situational Awareness Dashboard Dejan J Sobajic Smart Grid Technical Advisor New York Independent System Operator

2 August 2003 Blackout Satellite Images Pre-blackout (top) Post-blackout (bottom) Image Credit: NASA 2 2

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4 August 14, 2003 Blackout Angle Separation 1 hr 5 min Source: Angles are based on data from blackout analysis. Angle reference is Browns Ferry. 4 4

5 Video Wall Dashboard w New Alarming Capability for New York State Abnormal oscillation detection Abnormal voltage magnitude & angle Abnormal frequency w New Alarming Capability for External Regions Abnormal angle differences across external regions Abnormal voltage magnitude Abnormal frequency w Long Term View (hours) for Wide Area Monitoring (WAM) of angle differences with External Regions 5 5

6 Video Wall Dashboard 6 6

7 Wide Area Monitoring St. Clair Niagara Marcy Ramapo Foster 7 7

8 Wide Area Monitoring EI Data Sharing & Baselining of Phase Angle Differences 8 8

9 Visualization & Situational Awareness Displays / dashboards organized by New York s electrical load zones -- as well as by external neighboring electrical regions PMUs grouped by zones to reflect expected coherent generation response Visualization is part of NYISO video wall 9 9

10 New Control Center w Features a 2,300-square-foot (~ 215 square meters) video wall -- the largest utility installation in North America w Displays more than 3,000 live status points -- presenting line flows & limits, transformer loading, voltages, & generator output w Regional electric system information, weather and lightning-strike data, load forecasts -- customizable to address system dynamics 10 10

11 Video Wall 11 11

12 Challenges and Issues in using synchrophasor data w w w w PMU Data Quality PT and CT measurement errors PMU data filtering and phasor computation algorithms Communication system errors Data Dropouts Stale Data Data Latency Data Out of Sequence Time Quality Data Range Noise Impact of Data Quality on OMS results University of Binghamton, NY (2015 NYSERDA Study) Specialized Training for Engineers and Operators Skills Needed System Dynamics, Signal Processing, Big Data Analysis 12

13 Initiatives in the Area of Synchrophasors Focus: next 1-3 years w w Leadership in development of Eastern Interconnection Secure Data Network (EISDN) data sharing platform and deployment of multi-area applications Correcting the impact of communication errors / Tool developed through DOE CERTS program is available for implementation Model based data quality enhancement Phasor Only Linear State Estimator developed through DOE CERTS program is available for implementation Application of DOE CERTS Phase Angle Baselining Study findings in supporting development of wide-area SA-related operator warnings and alerts indicating unusual angle separations Initiate NPCC-wide activities on NPCC Dynamic Model Validation 13

14 Thank You The New York Independent System Operator (NYISO) is a not-for-profit corporation responsible for operating the state s bulk electricity grid, administering New York s competitive wholesale electricity markets, conducting comprehensive long-term planning for the state s electric power system, and advancing the technological infrastructure of the electric system serving the Empire State. nyiso.com 14 14