Grid Operations & Planning R&D Area Overview

Transcription

1 Grid Operations & Planning R&D Area Overview Daniel Brooks Speaker s Job Title Sept 2016 Advisory Committee 2016 Sept 19: Hollywood, FL

2 Grid Operations & Planning R&D Area at a Glance Grid Operations Advanced Operator Visualization Alarm Management Synchrophasor Applications Operating Limit Assessment VAr/Voltage Management & Control System Restoration Support Grid Planning Modeling & Model Validation System Protection Risk-Based Planning Contingency Screening Cascading Event Analysis Special Studies (GMD, TOV, etc.) Market Operations Market Design Market Software Implementation Price Formation Bulk Renewables Integration Energy, Ancillary Services, FTRs, Capacity Modeling & Protection Flexibility Planning Op Tools for Variability & Uncertainty Voltage & Frequency DER Impacts on Bulk System Model Development & Validation Reliability Analysis Methods/Tools Economic Analysis Methods/Tools Decision Support Methods/Tools Operator/Planner Reference Guides Common approach to all programs 2

3 Collaboration, Leverage, & Member Engagement R&D Area Funding Trend $M New in 2016 ESB Networks Exelon Georgia Trans. Co. ITC LADWP National Grid Portland General PSE&G Xcel Energy YTD Supp ARP Total ARP Funders Total GO&P 44 F $M Program Funding/Leverage Trends P39 P40 P173 Task Force Participation Companies Participants YTD

4 Voltage (p.u.) Key GO&P Research Areas Resiliency and Restoration Modeling & Model Validation LD1PAC model Category II Renewables/DER (EPRI Proposal) Integration voluntary ride-through phvrt OR ahvrt - "as you were" Continuous Operation 1.30 p.u p.u s 2 13 s 1.20 p.u. 1 s p.u. Tripped Situational Awareness alvrt - "as you were" 0.88 p.u. Ride-through or trip is allowed (voluntary ride-through) 0.88 p.u alvrt - "as you were" OR plvrt Ride-through or trip is allowed 0.15 s 0.16 s p.u s 2 s 2 s NERC PRC (voluntary ride-through) 0.00 p.u p.u. Tripped Time (s) 1 21 s Legend range of adustability default value must-trip zones voluntary ride-through mandatory ride-through and operating regions describing performance 4

5 Key GO&P Research Areas T&S Relationship Resiliency and Restoration 1. GMD study guidelines 2. Resiliency investment decision framework 3. Optimized restoration plans & real-time ops Modeling & Model Validation 1. HVDC models Renewables/DER Integration 1. Protection models for inverter-based resources Situational Awareness 1. Alarm management 2. Ops protection visualization 3. Integrating equipment health into ops 5

6 GO&P Transmission System Protection Research System Protection Tools (40.18) Online Protection Security Assessment (39.11) Wind/PV Protection Impacts (173.09) Station B Station C Backup Protection Operates Station A Wind turbine Gearbox i PMSG Stator-Side Converter Grid-Side Converter i g I L, P L Step down transformer Grid Station A Station B Station D s: Station D: Station A TRIP Relay trips, CB opens s: Station B: Station A TRIP s: Station C: Station A TRIP Station C (tapped) Modeling protection in Planning Post-Fault Analysis tools Emerging protection guidelines Relay setting Evaluation Tools Station A load lost Standalone distance relay fails in service EMS Alarm: Station A - Station B Main 1 Relay Fail Operator awareness of protection system status change/failures Ops support engineer fault analysis Wind/PV short-circuit models Protection Guideline for systems with high wind/pv penetrations 6

7 Protection Relay Settings Evaluation Tool CAPE Macro released 2015, ASPEN Macro due 2016 Evaluate coordination of protection across whole grid Applies multiple fault types across all lines on a grid Flags relay misoperations, fast/slow trips, uncleared faults View results in web browser & store in database for simple reporting, trending over time Proactively identify & avert potential mis-operations! 7

8 Define Fault Study and Protection Criteria Study grid by voltage class, region, or # buses of a selected busbar Study various fault scenario combinations: System scenarios Fault Types Fault Locations Define critical protection performance metrics 8

9 System Simulator Station A Station B Station C Station D Fault occurs 9

10 System Simulator First CB opens Station B Station A Station C Station D s: Station D: Station A, GR_IOC Relay trips, CB opens Fault occurs 10

11 System Simulator Second CB opens (mis-op) Station B Station A Station C Misoperation of Protection Station D Relay trips, CB opens s: Station D: Station A, GR_IOC s: Station C: Station A, GR_IOC Fault occurs 11

12 System Simulator Third CB opens, fault cleared Station B Station A Station C Misoperation of Protection Station D Relay trips, CB opens s: Station D: Station A, GR_IOC s: Station C: Station A, GR_IOC s: Station A: Station D, Z2_G Fault occurs 12

13 CAPE/ASPEN Macros Results Web Browser Output file in XML file format; View in Web Browser, Excel, Access High-level results per fault; index to details if issues identified 13

14 Grid Ops & Planning HVDC Research 2016 HVDC Ops & Planning Activities 162-D: apply planning guide in example studies Update planning guide base on studies P dynamic (stability) model development work on Sched : HVDC as actuator for Power Oscillation Damping HVDC Ops & Planning Activities Going Forward : Complete VSC model; multi-terminal HVDC : HVDC as blackstart resource : System protection with HVDC 14

15 EPRI HVDC Modeling Efforts -- P Modeling & Validation To ac system 1:Tr Conventional Line-Commutated + Id1 Id1 Id2 (ground return current) - 1:Ti To ac system First Tackling Point-to-Point HVDC Models Power-flow Previously existed Dynamics (95% done) PowerTech Labs TSAT Beta complete Filter Banks Filter Banks Siemens PTI PSS E Beta near complete 1:Tr To ac system Filter Banks _ Rectifier Station Vdc r Id2 VSC-HVDC Rdc Idc Vdc i + Inverter Station 1:Ti To ac system Filter Banks GE PSLF Beta near complete PowerWorld Beta near complete Power-flow Complete in all platforms Dynamics (95% done) MW into grid Q (MVAr) P (MW) Inverter action Rectifier action Prelim. specs discussed at WECC TF Initial feedback: ABB, Siemens and GE Draft model specs by Nov 2016 MW from grid 15 Inductive Vars Capacitive Vars

16 PS162-D: HVDC Planning Guidelines Equip planners to evaluate HVDC for economic & reliability transmission Summary of HVDC technologies Potential Applications & benefits HVDC Interaction with AC grid Guidance on required studies Scope and Objective: Point-to-point & Multi-terminal Highlight and explain important HVDC planning/study considerations Doesn t cover all aspects in great 2015 Concise report that outlines detail HVDC planning considerations Case study to apply report for various study efforts 16

17 Together Shaping the Future of Electricity 17