MVWG Report to TSS February 2015 Stephanie Lu, MVWG Chair Seattle City Light.
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Transcript of MVWG Report to TSS February 2015 Stephanie Lu, MVWG Chair Seattle City Light.
![Page 1: MVWG Report to TSS February 2015 Stephanie Lu, MVWG Chair Seattle City Light.](https://reader035.fdocuments.in/reader035/viewer/2022062308/56649e405503460f94b3224c/html5/thumbnails/1.jpg)
MVWG Report to TSSFebruary 2015
Stephanie Lu, MVWG ChairSeattle City Light
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Recent MeetingsMeeting Date
LMTF Meeting Sep 17-18, 2014
PPMDTF Conference Call Oct 15, 2014
HVDCTF Conference Call Oct 27, 2014
REMTF Meeting Nov 18-19, 2014
LMTF Meeting Nov 19, 2014
MVWG Meeting Nov 19-20, 2014
MOD-033 Conference Call Jan 22, 2015
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MVWG Activities Overview Approved Documents Status Update of Models, Documents, and Tools Load Modeling Renewable Energy Modeling System Model Validation Generator Modeling, Testing, and Validation RAS Modeling HVDC Modeling Other items: WECC Website Feedback, Program
Updates, NERC Updates, WECC Project Updates Next Meetings and Workshops
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MVWG Approved DocumentsFor TSS Information:
Approved CCOMP Model Specifications and Model
Updated the Approved Dynamics Model List (Nov 2014) Added comment to the 1st generation wind models that their
approval will be removed from the list, expected in June 2015 Added CCOMP model
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Status Update of Models, Documents, and Tools
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Status of Model DevelopmentModel Description Model Name Model Spec
Approved?User Guide Available?
WECC Approved?
Composite load model CMPLDW Plan-Mar 2015 X X1st generation wind WTxx models (retiring Jun 2015) X X XOver excitation model OEL1 PSLF Manual - XSVS models SVSMO1, 2, 3 X X XGenerator model GENTPJ X - XOvercurrent relay model LOCTI & TIOCRS X See Model Spec XVolt and freq ride through LHVRT, LHFRT - - XHydro turbine governor model H6B X - X2nd gen wind/1st gen PV RExx and WTGxx models X X XDistributed PV model PVD1 X X XDirectional Overcurrent relay TIOCRS (revision) X See Model Spec Distance relay model DISTRELAY X See Model Spec Differential relay model DIFFRLYG and DIFFRLYS X See Model Spec Under excitation relays UEL1 & UEL2 IEEE 421.5
(2005)-
Excitation system models See IEEE 421.5 efforts Colstrip ATR Under development (NWE) Generator protection Under development (MSRATF) Composite load model with DG CMPLDWG (supersedes CMPLDW) Plan-Mar 2015
Cross-current compensation model CCOMP X See Model Spec X
Other See Approved Dynamics List X
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Status Update of Models, Documents, and Tools Document expanded to be used as a reference:
Added list of MVWG approved documents Policy User Guide Model Specification Technical Report White Paper
Added list of MVWG tools
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Load Modeling
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Load Modeling – Composite Load Model Data Tools Tools available
Load Model Data Tool LMDT4A “2012 WECC CMPLDW.zip”
Updated Load Composition Data“CMPLDW Load Composition Data_032514.zip”
PNNL Tool (can create PSLF dyd & PSSE dyr format)“LMDT_install.zip”
PNNL provided a demo of an enhanced version
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Load Modeling – CMPLDW Monitoring Improvements Requested program vendors to add the ability to monitor
load lost in CMPLDW models per area, zone, or owner so that we can track how much aggregated load is being shed
Requested that PSLF otg-d format is compatible for both motorw and cmpldw models (otherwise you need to update the otg-d file with the new bus number for the cmpldw)
Requested PSLF not to change the bus monitoring variable name so that it stays compatible with WCA analysis tools
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Load Modeling CMPLDW Model Specifications document under review
Expected approval in March 2015 Meeting
CMPLDWG Model Specifications document Draft out for review, expected approval in March 2015 Meeting Benchmark testing results expected in the June 2015 meeting
Benchmarking showed consistent implementation across software platforms Some bugs were fixed through this exercise MOTORW and induction motor models (CIM5, CIM6, CIMW, and
MOTOR1) are not identical For single-cage motor where Tppo=0 or Lpp=Lp, all these models are
identical, and historically MOTORW had input data that represented single-cage motors only.
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Load Modeling – Voltage Dip Criteria TPL-001-WECC-CRT-2.1 retirement on 12/31/2015 Discussed WECC-0100 TPL-001-WECC-RBP-3 System
Performance document that was posted for comment Oct 15 – Dec 1 2014 (Posting 1) Includes transient voltage performance, voltage stability criteria,
steady state voltage limits and post contingency voltage deviations
There were suggestions on clarification on some of the draft languages, as well as discussions on the technical basis
Another draft of the WECC Criteria is out for comment Feb 4 – Mar 6 2015 (Posting 2)
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Renewable Energy Modeling
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2nd Generation Wind & PV Models SRWG Implementation Plan – Complete transition by
6/5/2015 Superseded models will be removed from Approved
Dynamics Model List on 6/5/2015
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2nd Generation Wind Models
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Photovoltaic Models For large-scale PV plants:
For distributed and small PV plants, use PVD1 model
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REMTF – Next Steps Write a white paper describing the limitations of generic
models and use in positive sequence programs Distributed PV in composite load model (CMPLDWG)
Draft model specifications are out for review, expected approval in March 2015 Meeting
Energy Storage Modeling – In progress Utility members and manufacturers are encouraged to get
engaged in the model development
Plant Level Control Modeling – In progress Expand to control multiple elements, including different types of
wind turbines, SVCs or STATCOMs, and MSCs Model specifications under development, beta testing expected
in 1st or 2nd quarter 2015
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System Model Validation
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System Model Validation MVWG is continuing to improve the process to develop
future model validation cases Method 1: Planning base case and dyd Method 2: Using WSM case and dyd (PSLF v19)
Event Model Validation Efforts: May 16 2014 NW RAS Event – Completed May 26 2014 DC RAS Event – In progress June 12 2014 BCH RAS and Alberta Separation Event October 18 2014 Colstrip Event
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Planning Case & DYD
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WSM Case & DYD
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May 16 2014 NW AC RAS EventValidation Report MVWG approved the “Model Validation Report for May
16, 2014 RAS Event” in Aug 2014 Includes simulations using both methods
(Planning and WSM case) Follow-Up on Recommendations:
Wind modeling reconciliation still needs work Wind needs to be modeled with 2nd generation models Tools are available to validate frequency response and baseload
flag SRP is investigating the Springerville unit trip BPA is reviewing the Chief Jo Brake operation scheme BCH is implementing some changes to the Kemano RAS
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MOD-033 Discussion NERC Standard on Steady-State and Dynamic System Model
Validation effective 7/1/2017 Background: The focus of validation in this standard is not
Interconnection-wide phenomena, but on the Planning Coordinator’s portion of the existing system.
Conference call was held January 22, 2015 to discuss plans to comply with NERC MOD-033
Draft Data Validation Process to cover R1.1-1.4 in progress, to be reviewed at March 2015 meeting, considering Existing practices NERC MWG document “Procedures for Validation of Powerflow and
Dynamics Cases” (2011) NATF efforts Eastern Interconnection PCs discussions
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MOD-033 Requirement R1R1. Each Planning Coordinator shall implement a documented data validation process that includes the following attributes: 1.1. Comparison of the performance of the Planning Coordinator’s portion of the
existing system in a planning power flow model to actual system behavior, represented by a state estimator case or other Real-time data sources, at least once every 24 calendar months through simulation;
1.2. Comparison of the performance of the Planning Coordinator’s portion of the existing system in a planning dynamic model to actual system response, through simulation of a dynamic local event, at least once every 24 calendar months (use a dynamic local event that occurs within 24 calendar months of the last dynamic local event used in comparison, and complete each comparison within 24 calendar months of the dynamic local event). If no dynamic local event occurs within the 24 calendar months, use the next dynamic local event that occurs;
1.3. Guidelines the Planning Coordinator will use to determine unacceptable differences in performance under Part 1.1 or 1.2; and
1.4. Guidelines to resolve the unacceptable differences in performance identified under Part 1.3.
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Generator Modeling, Testing, and Model Validation
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Power Plant Model Data Task Force List of suspected errors is available - PLEASE REVIEW
AND ADDRESS ITEMS IN YOUR AREA MVWG will work with SRWG to incorporate additional
data checks into the base case review process Turbine type (ensure this is being populated) Baseload flag (review/verify that flag is populated and correct) Pmax (powerflow) should be less than mwcap (dynamics) Wind models (see SRWG implementation plan)
If there are additional errors suspected, continue to send them to Kent
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Power Plant Model Data Task Force Tool (epcl) developed to export the generator powerflow
data, including turbine type, and associated dynamic models in a single spreadsheet which can be used to examine the modeling
Modeling Data standard MOD-032-1 BA, GO, LSE, RP, TO, TSP must respond to PC or TP if they
provide technical concerns with the data (effective 7/1/2016)
Verification standards MOD-026-1 (Excitation Systems) and MOD-027-1 (Turbine/Governor) GO must respond to TP within 90 days if TP notifies GO that
model is not usable, provides technical concerns with the verification documentation, or provides evidence that the model did not match the recorded response to an event (effective 7/1/2014)
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Power Plant Model Data Task Force Under discussion - Expand to include model validation
into the scope of this task force Becomes Power Plant Model Validation and Data Task Force
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Frequency Response Tool BPA Generator Frequency Response Tool is
available (uses PI data)
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Frequency Response Tool Eric Bakie (IPCO) provided an improved PI Data Generator
Frequency Response Model Validation Tool (version 1) Incorporates PI data tool Incorporates PPMV tool for model validation Includes batch processing, for multiple units and multiple events Includes overview presentation and detailed user guide Webinar training was provided July 22, 2014
Good for unit level model validation This approach works for governor model validation Good tool for identifying undesired control behavior
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Excitation Models IEEE Standard 421.5 on excitation models is close to
going out for ballot More discussion will be needed to determine which model(s)
WECC will recommend to be the approved
Currently OEL1 is WECC approved
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Cross Current Compensation Model CCOMP Model Specifications approved CCOMP added to Approved Dynamic Model list
Another version of the cross current compensation model will be proposed, if warranted Will be discussed further at the March 2015 meeting
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RAS Modeling
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RAS Modeling Discussed RAS modeling for transient studies PowerTech presented their experience with modeling
RAS in transient stability used in CAISO under evaluation by Peak RC
Eric Bahr (NWE) provided an overview of the Colstrip ATR scheme and the model specifications. Working with program vendors and Colstrip Owners to get the
model implemented ATR model specifications and model are expected for approval
at the March 2015 meeting
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HVDC Modeling
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HVDC Modeling
Conventional HVDC point-to-point model Powerflow model – exists Dynamic model – user-written model tested, vendors
to implement
VSC HVDC point-to-point model Powerflow model – will be in next release of
commercial tools (already in PSSE) Dynamic model – modeling details under discussion
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HVDC Modeling
Ongoing Issues Trans Bay DC model still needs to be validated PDCI Modeling
Sylmar model still needs to be validated Celilo is expected to be replaced in 2016, the updated model
is in progress
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Other Items
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Other Items
WECC Website Feedback requesting a webpage for MVWG approved
documents, model specifications, and tools
Program Updates – PSLF, PSSE, PowerWorld, and PowerTech
NERC Updates WECC Project Updates
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NERC Updates Eric Allen (NERC) provided updates:
NERC MWG developed drafts addressing the first two tasks of the node-breaker implementation plan.
PRC-002 Disturbance Monitoring Equipment was approved by Member Ballot, and on the way for board approval
MOD-032 and 033 standards were approved by FERC
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WECC Project Updates
WECC-0101 SAR Gen Validation Policy Drafting team chaired by Shawn Patterson USBR Responding to the comments from the 2nd round
WECC-0107 PSS Design and Performance Drafting team chaired by Martin Bauer USBR (consists of
Control Work Group) Responding to the comments from the 2nd round
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Next Meetings & Workshops
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Next Meetings & Workshops
March 17-19 in Salt Lake City REMTF Meeting -- Mar 17th afternoon & Mar 18th morning LMTF Meeting -- Mar 18th morning MVWG Meeting -- Mar 18th afternoon & Mar 19th all day
HVDCTF and PPMDTF will meet independently from the main M&VWG meeting
Workshops WSM validation – possibly June 2015 Tools for Power Plant Model Validation – TBD
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Questions ?