Responsibility is < 0. Error for resource, QSE. Tel Non-Spin AS Resource Responsibility is < 0. Error for resource, QSE. 4 The Ancillary Schedules EMS Sys. Telemetry High A QSE Tel Responsive AS Schedule is < 0 for (Responsive and NP3.10.7.5.2 (5) Ops. resource, QSE. < 0 Tel Non-Spin AS Schedule is < 0 for resource, QSE. 5 HSL <= Sum of Reg-Up EMS Sys. Telemetry High A QSE Tel HSL is sum of Reg-Up ≤ Responsibility, NP3.10.7.5.2 (5) Ops. Responsibility, Responsive Schedule and Responsive Schedule and Non-Spin Schedule for resource, QSE. Non-Spin schedule 6 SCED Up Ramp Rate <= EMS Sys. Telemetry High A QSE Calculated SCED Up Ramp Rate is 0 for ≤ 0 NP3.10.7.5.2 (5) Ops. resource, QSE. Check Regulation AS Resource Responsibility 7 SCED Down Ramp Rate EMS Sys. Telemetry High A QSE Calculated SCED Down Ramp Rate is 0 ≤ <= 0 NP3.10.7.5.2 (5) Ops. for resource, QSE. Check Regulation AS Resource Responsibility. 8 Quality checks for use of EMS Sys. Telemetry High A QSE Tel Parameter, Ex. Resource Status telemetry; use last good NP3.10.7.5.2 (5) Ops. Bad is suspect. ERCOT is using Value value if suspect. MQC Good for resource, QSE. – 3989 9 For Combined Cycle EMS Sys. Telemetry High A QSE Tel Parameter, Ex. Resource Status Value
Responsibility is < 0. Error for resource, QSE. Tel Non-Spin AS Resource Responsibility is < 0. Error for resource, QSE. 4 The Ancillary Schedules (Responsive and < 0 EMS NP3.10.7.5.2 (5) Sys. Ops. Telemetry High A QSE Tel Responsive AS Schedule is < 0 for resource, QSE. Tel Non-Spin AS Schedule is < 0 for resource, QSE. 5 HSL <= Sum of Reg-Up Responsibility, Responsive Schedule and Non-Spin schedule EMS NP3.10.7.5.2 (5) Sys. Ops. Telemetry High A QSE Tel HSL is ≤ sum of Reg-Up Responsibility, Responsive Schedule and Non-Spin Schedule for resource, QSE. 6 SCED Up Ramp Rate <= 0 EMS NP3.10.7.5.2 (5) Sys. Ops. Telemetry High A QSE Calculated SCED Up Ramp Rate is ≤ 0 for resource, QSE. Check Regulation AS Resource Responsibility 7 SCED Down Ramp Rate <= 0 EMS NP3.10.7.5.2 (5) Sys. Ops. Telemetry High A QSE Calculated SCED Down Ramp Rate is ≤ 0 for resource, QSE. Check Regulation AS Resource Responsibility. 8 Quality checks for use of telemetry; use last good value if suspect. – MQC 3989 EMS NP3.10.7.5.2 (5) Sys. Ops. Telemetry High A QSE Tel Parameter, Ex. Resource Status Bad is suspect. ERCOT is using Value Good for resource, QSE. 9 For Combined Cycle EMS Sys. Telemetry High A QSE Tel Parameter, Ex. Resource Status Value
BP_ERCOT_And_QSE_Operations_Practices_During_The_Operating_Hour_Version_5_10.docx