Important Station Voltages for State Estimator Reporting and Grid Applications Support
"Learn how to approve important station voltages for accurate state estimator reporting in grid applications. This update for 2022 covers key buses, criteria for inclusion, and bus monitoring. Explore the list of important buses and their voltage levels alongside a Texas map with 345 KV lines. The ERCOT SE report will focus on monitoring telemetry for approved buses."
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Presentation Transcript
Approval of Important Station Voltages for State Estimator Reporting Aaron Rosenthal Grid Applications Support Year 2022 Update
Objective Approval of Important Buses as defined by Nodal Protocols 2 PUBLIC
Important Station Voltages Defines key buses to be monitored to ensure State Estimator accuracy To be reviewed by the Network Data Support Working Group and approved by ROS 3 PUBLIC
Determination of Important Buses Major criteria for inclusion in important station voltage list: Nuclear plant buses Black Start synchronization point-related buses IROL associated buses 345 KV stations with large power transfers 4 PUBLIC
Bus List STATION_NAME ALNSW WCSWS AUSTRO CALAVERS CBY CPSES JEWET LON_HILL MGSES NEDIN PHR RIOHONDO RNKSW SSPSW STP THW TMPSW TULECNYN VENSW WLVEE BAKESW ZORN VOLTAGE_LEVEL OWNER_NAME 345TONCOR 345TAEN 345TCPSE 345TCNPE 345TONCOR 345TONCOR 345TAEPTC 345TONCOR 345TAEPTC 345TCNPE 345TAEPTC 345TONCOR 345TONCOR 345TCNPE 345TCNPE 345TONCOR 345TSHARL 345TONCOR 345TONCOR TLCRA 345TLCRA Changes since previous update (2019) Replaced ALNSW with WCSWS to represent the WESTEX IROL Replaced WLVEE with BAKESW to represent the MCCAMY IROL 5 PUBLIC
Conclusion ERCOT SE report will monitor the telemetry vs. SE bus KV for the approved buses 7 PUBLIC
