NPRR #953 · Revision Request
NPRR953 Addition of Relay Loadability Rating Definition
ReasonRegulatory requirements
Created2019-07-17
Approved2020-04-14
Sections Affected
2.13.10.33.10.7.1.1and 3.10.7.1.4
Summary
This Nodal Protocol Revision Request (NPRR) adds the Relay Loadability Rating definition in order to address the North American Electric Reliability Corporation (NERC) definition changes for Operational Planning Analysis and Real Time Assessments which adds a requirement to include protection system limitations. These changes also support ERCOT housing and monitoring the Relay Loadability Rating in Energy Management System (EMS) applications.
Action Log 5 milestones
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Jul 17
PRSDeferred/Tabled→ Language Consideration
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Feb 13
PRSRecommended for Approval→ Impact Analysis Consideration
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Mar 27
PRSRecommended for Approval→ Revision Request Consideration
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Apr 3
TACRecommended for Approval→ Revision Request Consideration
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Apr 14
BOARDApproved
Amendments
| Date | Body | Motion | Result |
|---|---|---|---|
| Feb 13 '20 | PRS | to recommend approval of NPRR953 as amended by the 12/4/19 ERCOT comments | Passed |
| Mar 27 '20 | PRS | to endorse and forward to TAC the 2/13/20 PRS Report and Revised Impact Analysis for NPRR953 | Passed |
Ballots
| Date | Body | Result | Yes | No | Abstain | |
|---|---|---|---|---|---|---|
| Apr 3 '20 | TAC | Motion Passes | 26 | 0 | 0 | xls |
| Mar 27 '20 | PRS | Motion Carries | 7 | 0 | 1 | xls |
Documents 18
| Name | Type | Posted | Classification |
|---|---|---|---|
| 953NPRR-01 Addition of Relay Loadability Rating Definition 062719 | doc | Jun 27 '19 | Revision Request |
| 953NPRR-02 Impact Analysis 062719 | doc | Jun 27 '19 | Staff Report |
| 953NPRR-03 ERCOT Comments 071019 | doc | Jul 10 '19 | Revision Request Comments |
| 953NPRR-04 PRS Report 071719 | doc | Jul 22 '19 | Committee Report |
| 953NPRR-05 ROS Comments 080919 | doc | Aug 9 '19 | Revision Request Comments |
| 953NPRR-06 ERCOT Comments 102919 | doc | Oct 29 '19 | Revision Request Comments |
| 953NPRR-07 Oncor Comments 103019 | doc | Oct 30 '19 | Revision Request Comments |
| 953NPRR-08 ERCOT Comments 120419 | doc | Dec 4 '19 | Revision Request Comments |
| 953NPRR-09 Oncor Comments 010820 | doc | Jan 8 '20 | Revision Request Comments |
| 953NPRR-10 CenterPoint Energy Comments 020520 | doc | Feb 5 '20 | Revision Request Comments |
| 953NPRR-11 ROS Comments 020720 | doc | Feb 7 '20 | Revision Request Comments |
| 953NPRR-12 PRS Report 021320 | doc | Feb 18 '20 | Committee Report |
| 953NPRR-13 Revised Impact Analysis 031820 | doc | Mar 18 '20 | Staff Report |
| 953NPRR-14 PRS Email Vote 032720 | xls | Mar 30 '20 | Revision Request Ballot |
| 953NPRR-15 PRS Report 032720 | doc | Mar 30 '20 | Committee Report |
| 953NPRR-16 TAC Email Vote 040320 | xls | Apr 6 '20 | Revision Request Ballot |
| 953NPRR-17 TAC Report 040320.DOC | doc | Apr 6 '20 | Committee Report |
| 953NPRR-18 Board Report 041420 | doc | Apr 17 '20 | Committee Report |
Meetings That Took It Up 23
| Date | Meeting | Committee | Status |
|---|---|---|---|
| Apr 14 '20 | Urgent Board of Directors Meeting - Teleconference Available by Webcast | BOARD | Concluded |
| Apr 3 '20 | TAC Email Vote re NPRR953, NPRR997, NPRR998, PGRR075, and BESTF KTCs | TAC | Concluded |
| Apr 1 '20 | TAC INFORMATION SESSION – WebEx Only | TAC | Concluded |
| Mar 27 '20 | PRS Email Vote re NPRR953, NPRR997, NPRR998 | PRS | Concluded |
| Mar 25 '20 | PRS Information Session - WebEx only | PRS | Concluded |
| Feb 13 '20 | PRS Meeting | PRS | Concluded |
| Feb 6 '20 | ROS Meeting | ROS | Concluded |
| Jan 21 '20 | NDSWG Meeting | NDSWG | Concluded |
| Jan 16 '20 | PRS Meeting | PRS | Concluded |
| Jan 9 '20 | ROS Meeting | ROS | Concluded |
| Jan 6 '20 | NPRR953 – Relay Loadability Rating Workshop | Concluded | |
| Dec 12 '19 | PRS Meeting | PRS | Concluded |
| Dec 5 '19 | ROS Meeting | ROS | Concluded |
| Nov 13 '19 | PRS Meeting | PRS | Concluded |
| Nov 7 '19 | ROS Meeting | ROS | Concluded |
| Oct 10 '19 | PRS Meeting | PRS | Concluded |
| Oct 3 '19 | ROS Meeting | ROS | Concluded |
| Sep 12 '19 | PRS Meeting | PRS | Concluded |
| Sep 5 '19 | ROS Meeting | ROS | Concluded |
| Aug 15 '19 | PRS Meeting | PRS | Concluded |
| Aug 8 '19 | ROS Meeting | ROS | Concluded |
| Jul 17 '19 | PRS Meeting | PRS | Concluded |
| Jul 16 '19 | NDSWG Meeting | NDSWG | Concluded |