NPRR #119 · Revision Request
NPRR119 Resource Limit Calculator
ReasonWhen the output MW of a Resource exceeds its telemetered HSL for a short time (e.g. governor response) SCED will attempt to dispatch the Resource above its HSL. Modifying the LDL calculation with a final check will ensure that the LDL and HDL limits calculated by the Resource Limit Calculator (RLC) and sent to SCED do not exceed the HSL under any circumstance.
Created2008-04-18
Approved2008-07-15
Sections Affected
6.5.7.2Resource Limit Calculator
Summary
This Nodal Protocol Revision Request (NPRR) changes the Low Dispatch Limit (LDL) calculation to ensure that the LDL and High Dispatch Limit (HDL) limit sent to the Security Constrained Economic Dispatch (SCED) do not exceed the High Sustained Limit (HSL) under any circumstance.
Action Log 5 milestones
-
Apr 18
PRSReferred→ Review by the TPTF.
-
May 22
PRSRecommended for Approval→ Review of Impact Analysis and Recommendation Report.
-
Jul 15
BOARDApproved
-
Jun 19
PRSRecommended for Approval→ Consideration of NPRR119 by TAC
-
Jun 26
TACRecommended for Approval→ ERCOT Board consideration
Documents 8
| Name | Type | Posted | Classification |
|---|---|---|---|
| 119NPRR-01 Resource Limit Calculator 032708 | doc | Mar 27 '08 | Revision Request |
| 119NPRR-02 PRS Action Report 041808 | doc | Apr 22 '08 | Committee Report |
| 119NPRR-03 TPTF Voting Ballot 042108 | xls | Feb 6 '09 | Revision Request Ballot |
| 119NPRR-04 PRS Recommendation Report 052208 | doc | May 28 '08 | Committee Report |
| 119NPRR-05 Impact Analysis 060208 | doc | Jun 2 '08 | Staff Report |
| 119NPRR-06 PRS Recommendation Report 061908 | doc | Jun 19 '08 | Committee Report |
| 119NPRR-07_TAC_Recommendation_Report_062608 | doc | Jun 27 '08 | Committee Report |
| 119NPRR-08 Board Action Report 071508 | doc | Jul 17 '08 | Committee Report |
Meetings That Took It Up 10
| Date | Meeting | Committee | Status |
|---|---|---|---|
| Nov 4 '10 | TAC Meeting | TAC | Concluded |
| Oct 21 '10 | PRS Meeting | PRS | Concluded |
| Sep 23 '10 | PRS Meeting | PRS | Concluded |
| Aug 31 '10 | NATF Meeting | NATF | Concluded |
| Jun 26 '08 | TAC Meeting | TAC | Concluded |
| Jun 19 '08 | PRS Meeting | PRS | Concluded |
| May 28 '08 | Credit Work Group Meeting | CREDITWG | Concluded |
| May 22 '08 | PRS Meeting | PRS | Concluded |
| Apr 21 '08 | TPTF Meeting | TPTF | Concluded |
| Apr 18 '08 | PRS Meeting | PRS | Concluded |