Managing Network Operations Model: NPRR 1099 Overview
This content provides an overview of NPRR 1099, focusing on managing network operations, resource nodes, and changes in protocols. It includes details on different areas of focus such as DGR modeling, resource retirement, and Point-of-Interconnection changes. The content also presents examples and images illustrating the impact of NPRR 1099 on transmission networks and equipment. Overall, it offers insights into the differences between NPRR 1099 and previously withdrawn protocols, highlighting key changes and areas of importance in managing network operations.
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Presentation Transcript
NPRR 1099, Managing Network Operations Model Resource Nodes ERCOT Staff CMWG November 15, 2021
Background NPRR1016, Clarify Requirements for Distribution Generation Resources (DGRs) and Distribution Energy Storage Resources (DESRs) was approved August 11, 2020 NPRR1099 differs from previously withdrawn NPRR1017 Protocol Section 3.10.3.1 (1), moving a Resource Node (RN) for Point- of-Interconnection (POI) changes and Resource Retirements differentiate in its managing NPRR1099 focuses on three areas: DGR Modeling Resource Retirement Point-of-Interconnection (POI) changes 2 PUBLIC
DGR Example #1, Initial Modeling TSP Station Transmission Network Transmission Voltage DGR Station DGR Resource Node Distribution Voltage CIM Load Line 3 PUBLIC
DGR Example #1, Post NPRR 1016 w/o NPRR 1099 TSP Station Transmission Network New Resource Node Transmission Voltage DGR Station DGR Resource Node CIM Load Distribution Voltage CIM Load Line Equipment not needed or does not exist in the field, but left behind due to Resource Node location Equipment removed from the field and model New Equipment 4 PUBLIC
DGR Example #1, Post NPRR 1016 w/o NPRR 1099 (clean) TSP Station Transmission Network New Resource Node Transmission Voltage Resource Node CIM Load Distribution Voltage Equipment not Needed, but left behind due to Resource Node Location New Equipment 5 PUBLIC
DGR Example #1, Post NPRR 1016 with NPRR 1099 TSP Station Transmission Network Relocated Resource Node Transmission Voltage DGR Station DGR CIM Load Distribution Voltage CIM Load Line Equipment removed from the field and model New Equipment 6 PUBLIC
DGR Example #1, Post NPRR 1016 with NPRR 1099 (clean) TSP Station Transmission Network Relocated Resource Node Transmission Voltage CIM Load Distribution Voltage New Equipment 7 PUBLIC
Resource Retirement Example, Initial Modeling Station B TGR Station Resource Node Transmission Network 8 PUBLIC
Resource Retirement Example, w/out NPRR1099 Station B TGR Station Resource Node Transmission Network 9 PUBLIC
Resource Retirement Example, w/ NPRR1099 Station B TGR Station Relocated Resource Node Transmission Network Equipment removed from the field and model 10 PUBLIC
TGR Example, Initial Modeling Station A Station B Resource Node Tap Station Transmission Network Transmission Network TGR Station 11 PUBLIC
TGR Example, POI Change Transition w/o NPRR 1099 Station A Resource Node Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station New Resource Node New Equipment 12 PUBLIC
TGR Example, POI Change Completed w/o NPRR 1099 Station A Resource Node Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station Equipment removed from the field but not from the model. Outaged Equipment. New Resource Node Equipment removed from the field and model 13 PUBLIC
TGR Example #1, POI Change Completed w/o NPRR 1099 (clean) Station A Resource Node Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station Equipment removed from the field but not from the model. Outaged Equipment. New Resource Node 14 PUBLIC
TGR Example, POI Change Completed with NPRR 1099 Station A Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station Relocated Resource Node Equipment removed from the field and model 15 PUBLIC
TGR Example #1, POI Change Completed with NPRR 1099 (clean) Station A Station B Transmission Network Transmission Network Station C Transmission Network TGR Station Relocated Resource Node 16 PUBLIC
TGR Example #2, Initial Modeling Station A Station B Resource Node Tap Station Transmission Network Transmission Network TGR Station 17 PUBLIC
TGR Example #2, POI Change Transition w/o NPRR 1099 Station A Resource Node Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station New Equipment New Resource Node 18 PUBLIC
TGR Example #2, POI Change Completed with NPRR 1099 Station A Station B Tap Station Transmission Network Transmission Network Station C Transmission Network TGR Station Relocated Resource Node 19 PUBLIC
TGR Example #3, Initial Modeling Resource Node Transmission Network TGR Station 20 PUBLIC
TGR Example #3, POI Change Transition w/o NPRR 1099 Resource Node Transmission Network SC New Resource Node New Equipment TGR Station 21 PUBLIC
TGR Example #3, POI Change Transition w/ NPRR 1099 Transmission Network SC Relocated Resource Node New Equipment TGR Station 22 PUBLIC
Benefits of NPRR 1099 Allows NPRR1016 to be fully implemented as intended Distribution equipment is not secured Allows Resource retirements to have cleaner modeling when the RN is located on a different kV level All retired equipment can be removed from the model Currently a RN may be de-energized by modeling normally open breakers/switches, therefore prices are already being moved by DAM Heuristic mappings Accurate equipment modeling Reduces the amount of Settlement Points (w/ POI changes) 23 PUBLIC
Benefits of NPRR 1099 to Operations Improve ERCOT s Control Room situational awareness. Without NPRR 1099, miscommunication could occur between equipment Operators and ERCOT for non existing equipment. Reduce data management responsibilities by TSPs and REs. Without NPRR 1099, it would force TSPs and REs to maintain modeling data that does not exist in the field. Without NPRR 1099, it would force TSPs and REs to maintain ICCP telemetry for equipment that does not exist in the field. 24 PUBLIC
