tss report pcc meeting albuquerque, nm march 5-7, 2008
TRANSCRIPT
PCC 2
TSS Report Approval
2007 Annual Study Program ReportMVWG Budget
AssignmentsRegional Reliability Standards
StatusMVWGDMWGSRWGRegional Planning / Rating Process
PCC 4
2007 Study Program Report Goal:
Provide base cases for WECC member and staff use Provide an ongoing reliability and risk assessment of the Western
interconnected electric system as it exists and as planned over the next ten years
One of several resources used for meeting NERC Reliability Standards: MOD 010,012 – Steady State and Dynamics Data for Transmission
System Modeling and Simulation FAC 005 – Electrical Facility Ratings for System Modeling PRC 006 – UFLS Dynamics Data Base PRC 014 – Special Protection System Assessment PRC 020 - UVLS Dynamics Data Base TPL 001-004 - System Performance
PCC 5
2007 Study Program Report
Eleven Cases:Five operating cases One General 10-Year Winter Case One General 5-Year Summer CaseFour Scenario Cases:
10HS2SA - 2010 Heavy Summer Scenario (maximum generation in Arizona. Mild coastal and extreme desert heat weather conditions.)
10LA1SA - 2010 Light Autumn Scenario (high flows from California/Montana to the Northwest.)
11LSP1SA - 2011 Light Spring Scenario (heavy exports from Idaho/Montana in an off-peak case.)
15HS1SA - 2015 Heavy Summer Scenario (maximum achievable EOR/WOR flows with heavy future IPP generation in California and DSW.)
PCC 6
2007 Study Program ReportDisturbances
41 Disturbances:24 N-15 N-28 G-21 N-33 DC Bipole
2 Outside of Criteria 6 Did not meet performance, but limited to local system
PCC 7
2007 Study Program ReportPerformance Results
Disturbance Description Responsible Entity
D0706 A three-phase Midpoint 345 kV fault and loss of the Midpoint-Humboldt 345 kV line on the 2011 HS1B configuration. Results for this simulation indicate post-transient voltage deviations up to 5.9% in northeastern California and southern Oregon.
Sierra, IPC
D0709 A single-line-to-ground Jim Bridger 345 kV fault and loss of the Jim Bridger-Kinport and Jim Bridger-Goshen 345 kV lines on the 2011 HS1B configuration. Results for this simulation indicate post-transient voltage deviations up to 15.2% in eastern Idaho and southwestern Montana.
IPC, Pace, NWE
PCC 8
2007 Study Program Performance ResultsDIST Description Responsible
Entity
D0707 A three-phase Valmy 345 kV fault and loss of the Valmy-Coyote Creek 345 kV line on the 2007-08 LW1A configuration. Results for this simulation indicate a post-transient voltage deviation of 6.8% at the Meikle 120 kV bus in northern Nevada. A solved follow-up post-transient power flow case with northern Nevada loads increased to 105% indicates voltage stability is maintained.
SPR(DONE)
D0710 A three-phase Jim Bridger 345 kV fault and loss of the Jim Bridger-Goshen 345 kV line on the 2015 HS1-SA configuration. Results for this simulation indicate transient frequency deviations below 59.6 Hz for longer than six cycles at six load buses in southwestern Wyoming.
Pace, IPC
D0712 A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line on the 2016-17 HW1A configuration. Results for this simulation indicate post-transient voltage deviations up to 7.3% in southern Colorado. A solved follow-up post-transient power flow case with southern Colorado loads increased to 105% indicates voltage stability is maintained. Results for this simulation also
TSGT, PSCO
D0713 A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line on the 2010 HS2-SA configuration. Results for this simulation indicate post-transient voltage deviations up to 17.8% in southern Colorado. A solved follow-up post-transient power flow case with southern Colorado loads increased to 105% indicates voltage stability is maintained. Results for this simulation also indicate that Rosebud pump load in northern New Mexico trips by frequency relay.
TSGT,PSCO
D0727 A three-phase Jim Bridger 345 kV fault and loss of the Jim Bridger-Goshen 345 kV line on the 2011 LSP1-SA configuration. Results for this simulation indicate transient frequency deviations below 59.6 Hz for longer than six cycles at six load buses in southwestern Wyoming.
Pac,IPC
D0728 A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line on the 2011 LSP1-SA configuration. Results for this simulation indicate post-transient voltage deviations up to 22.1% in northeastern New Mexico and -iv-southern Colorado. A solved follow-up post-transient power flow case with southern Colorado loads increased to 105% indicates voltage stability is maintained. Results for this simulation also indicate that Rosebud pump load in northern New Mexico trips by frequency relay.
TSGT, PSCO
PCC 9
2007 Study Program Report
Motion:
TSS requests PCC approval of the 2007 Annual Study Program Report
PCC 10
MVWG Funding Request MVWG has prioritized the need for funding as follows:
1. Composite load model acceptance tests in PSLF program.2. Load model system impact studies.3. Review of generator model data in WECC database.4. Composite load model acceptance tests in PSS/E program.5. Load Model Data Tool.6. Validating SVC models.
PCC has approved spending $100,000 in 2008. Proposal is for $25,000 for Item 1, $50,000 for Item 2, and $25,000 for Item 3, for a total of $100,000.
Motion: TSS requests PCC approval of the MVWG spending proposal.
PCC 12
Regional Reliability Standards
BOD Approved Four CategoriesRegional Reliability StandardRegional CriteriaPolicyGuideline
Current Assignment:Focus on placing documents into last 3 categories
PCC 13
WECC Document Categories Regional Reliability Standards: A WECC Board approved
document whose purpose is to establish mandatory rules which must be followed by all entities within the interconnection in order to maintain reliability.
Regional Criteria: A WECC Board approved document whose purpose is to establish consistency among WECC member entities with respect to business practices, technical procedures, documentation procedures and/or administrative procedures.
Policy: A WECC Board approved document whose purpose is to establish the general path, direction and objectives agreed to by the Board, and provide guidance for subsequent Regional Reliability Standards, Regional Criteria, and Guidelines.
Guideline: A WECC Committee approved document whose purpose is to educate, train, and/or promote consistency among members.
PCC 15
SRWG Study Program 2007
2007 Report up for Approval 2008
in progressdeveloping disturbance lists
2009Survey due FebruaryInput Still Welcomewent to SRWG, TSS, and PCC
PCC 16
SRWG Performance LogLog Description Entity
P03-01-NT A three-phase Montrose 345 kV fault and loss of the Montrose-Hesperus 345 kV line, simulated using the 2006 HS3SA power flow case (Case D0309), indicates post-transient voltage deviations up to 6.4% in southwestern Colorado. Status: Open
TSGT
P03-03-NT A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line, simulated using the 2006 HS3SA power flow case (Case D0333), indicates post-transient voltage deviations up to 11% in southeastern Colorado and frequency dips to 59.46 Hz at Rosebud load. Status: SRWG/TSS approved to move Frequency at Rosebud into exception list. Voltage deviation remains open
TSGT
P04-01-NT A three-phase Montrose 345 kV fault and loss of the Montrose-Hesperus 345 kV line, simulated using the 2005 HSP1A power flow case (Case D0421), indicates post-transient voltage deviations up to 6.2% in southwestern Colorado.Status: Open
TSGT
P04-02-NT A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line, simulated using the 2005 HSP1A power flow case (Case D0424), indicates post-transient voltage deviations up to 6.2% in southeastern Colorado. Status: Open
TSGT
P05-01-NT A three-phase Montrose 345 kV fault and loss of the Montrose-Hesperus 345 kV line, simulated using the 2006 HSP1A power flow case (Case D0509), indicates post-transient voltage deviations up to 9.5% in southwestern Colorado. Status: Open
TSGT
PCC 17
SRWG Representation Log
Case under current study: 08hsp2bCase previously studied: 08hw2a MOD-011 MOD-011 MOD-013 MOD-013 MOD-013
TPL-001 FAC-005 PRC-006Owner Previous Current Device No LSDT9 Required Generator StdName case case Change Overload Ratings bus not in PSS Data w/o Total
total total n-0 powerflow is Due dyn models
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
Totals 186 506 320 14 15 27 397 0 453
NERC StandardsRequirements Data
Case under current study: 08hsp2bCase previously studied: 08hw2a
Owner Previous Current Ownership Duplicate Incorrect Non-stdName case case Change no bus Zone/Area Total
total total owner name Owner
(1) (2) (3) (4) (11) (12) (13) (14)
Totals 186 506 320 31 20 2 53
Non-NERC StandardsMisc
PCC 19
MVWG Activities Load Modeling Generating Unit Modeling
NERC Standard developmentNew generation equipment modelsAGC Modeling
Wind Farm Modeling Modeling of Power Electronics Devices
Static VAR SystemsHVDC Systems
Disturbance Analysis and System Performance Validation
PCC 20
MVWG - Load Model Structure
Load ModelComponents
Interim
Static
M115-kV230-kV
20%
Static
MTransformer FeederEquivalent
M
M
New
115-kV230-kV
M
PCC 21
MVWG - Load Model StructureMVWG - Load Model Structure
LMTF developed EPCL routines for explicit load representation in PSLF program in 2005
WECC developed composite load model specifications in March 2006
WECC Composite Load Model is implemented in GE PSLF 16.1
LMTF tested model performance:
Simple test system
WECC-wide system model
PCC 22
MVWG - Load Model Structure – MVWG - Load Model Structure – Outstanding IssuesOutstanding Issues
Single-phase Motor Model:
Research is complete, Bernie Lesieutre made modeling recommendations, MATLAB model matches all tests well
John Undrill implemented model prototype, “motorc”, in PSLF, stand-alone “motorc” model is being tested
Performance and hybrid models are developed and tested, OK
Make the decision at the next meeting (March 2008)
Three-phase Motor Model:
correspondence between “cmpldw” and “motorw” models
Other load model components:
electronic drives and solar generation
UVLS and UFLS:
Connect UVLS and UFLS records with “cmpldw” records
PCC 23
NERC Transmission Issues NERC Transmission Issues SubcommitteeSubcommittee
Dmitry Kosterev (BPA) and Bob Yinger (SCE) presented WECC work on AC stall modeling and solutions at NERC TIS meeting on January 15, 2008 in Scottsdale, AZ
The issue is relevant to other regions in North America
NERC is developing a White Paper on Fault-Induced Delayed Voltage Recovery:
Experiences
Modeling and system studies
Solutions
PCC 25
NERC Generation Verification StandardsNERC Generation Verification Standards MOD-024 - Verification of Generator Gross and Net Real
Power Capability MOD-025 - Verification of Generator Gross and Net
Reactive Power Capability MOD-026 - Verification of Models and Data for
Generator Excitation System Functions MOD-027 - Verification of Generator Unit Frequency
Response PRC-019 - Coordination of Generator Voltage Regulator
Controls with Unit Capabilities and Protection PRC-024 - Generator Performance During Frequency
and Voltage Excursions
PCC 26
NERC Generation Verification StandardsNERC Generation Verification Standards Met in Atlanta, GA on October 30 – November 1 2007
NERC regions presented their experiences
Three Drafting Teams
MOD-024 & 025, PRC-19
Tom Bradish, Dmitry Kosterev MOD-026 & 027:
– Donald Davies, Baj Agrawal PRC-024:
Craig Quist and Chifong Thomas
Regular Conference Calls within sub-groups and the entire group
Face Meeting is scheduled for February 13–15 2008 in Houston, TX. Hosted by Reliant Energy
PCC 27
NERC Generation Verification StandardsNERC Generation Verification Standards Heads up:
Periodicity: Verification of Real power capability – 1 year Verification of Reactive power capability – 5 years Verification of dynamic models – 10 years
Applicability: Single unit 20 MW Generating Facility 75 MW 80% of generating capacity in an interconnection
Responsibilities: Generator Operator vs. Generator Owner Transmission Planner
PCC 28
MVWGMVWGWind Farm ModelingWind Farm Modeling
Abe Ellis, PNM Abe Ellis, PNM Juan Sanchez-Gasca, GE Juan Sanchez-Gasca, GE Bill Price, GEBill Price, GEYuri Kazachkov, Siemens PTIYuri Kazachkov, Siemens PTIEduard Muljadi, NRELEduard Muljadi, NREL
PCC 29
MVWG - Wind Farm Powerflow ModelMVWG - Wind Farm Powerflow Model
WWind - Turbine
Generator
PF Correction
Shunt Capacitors
Collector
System
Equivalent
Interconnection Transm. Line
Point Of Interconnection
Main
Transformer
KV, R, X, B
kV, MVA, R, X kV, MVA R, X
kV, R, X, B
Plant-Level Reactive Compensation
Equivalent pad-mounted Transformer
Model structure is approved for wind farm representation in WECC basecases
Powerflow Modeling Guidelines are developed Data request form is proposed
PCC 30
Proposed Standard ModelsProposed Standard Models Four basic topologies based on grid interface
Type 1 – conventional induction generatorType 2 – wound rotor induction generator with variable rotor resistance
Type 3 – doubly-fed induction generator Type 4 – full converter interface
generator
full power
PlantFeeders
actodc
dctoac
generator
partia l power
PlantFeeders
actodc
dctoac
generator
Slip poweras heat loss
PlantFeeders
PF controlcapacitor s
actodc
generator
PlantFeeders
PF controlcapacitor s
Type 1 Type 2 Type 3 Type 4
PCC 31
• Type 1 – Preliminary implementation in place, based on PTI turbine governor representation.
• Type 2 – Preliminary implementation in place. Based on model proposed by Graeme (TNEI, UK)
• Type 3 – Model is approved and a part of standard PSLF and PSSE library of dynamic models
• Type 4 – Model verification (EMTP vs. detailed PSLF model) in progress at GE
Wind Farm Dynamic Models
PCC 33
MVWG - SVC ModelingMVWG - SVC Modeling
SVC Survey is Completed
21 SVCs and 5 Statcoms identified
SVC Power Flow Models
SVC Generic Dynamic Models
Prototype is developed, ready to begin testing soon
PCC 34
Les Pereira RetiredLes Pereira Retired
MVWG Chair after 1996 outages in the Western Interconnection
Led development of WSCC Generator Testing Guidelines in 1997
Led development of “Interim” Load Model in 2001
Led development of New Governor Model in 2002, received IEEE PES Prize Paper award
PCC 36
DMWG Activities WECC Funding for approved sites
Hardware, Software, Maintenance Networking PDC sites Disturbance data requests WECC Disturbance Data website / Data Storage Guidelines to initiate a disturbance data request Generator Performance Monitor procurement & Testing Event reporting and Analysis DFR/SER Survey – list ( NERC PRC-002) NERC Disturbance Monitoring standards & compliance
PCC 37
DMWG - Other Related ActivitiesDMWG - Other Related Activities
Regular WG Meetings & Training workshops Analysis of disturbances, DC Probe Tests & Brake
tests etc. Sharing programs and other project info
BPA Phasorfile / Stream reader, PNNL DSI Tool box, SCE Power System Outlook & SMART programs, RTDMS & others
CERTS/CEC/ California ISO projects Load Models & Wind Generator Models validation BPA Initiative to use signals for stability control,
increase inter-tie rating Wide-Area stability and voltage Control System (WACS) DC Probe Tests
PCC 38
DMWG - Past ActivitiesDMWG - Past Activities
Past DMWG Activities The DMWG has been functional since 2002-2003 and is fairly well established, Because of the WECC funding mechanism, PMUs installed at most strategic locations About 45 PMUs have been funded by WECC, and about 30 funded by the Transmission
system operators and others A server has been installed at WECC office and important files/data can be stored Regular meetings and conference calls are held
Activities During 2007 Monitoring system disturbances and sending short reports out Funding installation of PMU Installation and maintenance of PMU Holding regular meetings – October 24-26, 2007 Holding regular conference calls – every 5-6 weeks Working on a paper – “Benefits of System Monitoring” Information interchange and coordination Developing “Road-Map” for data interchange, storage, analysis, real-time monitoring Procuring and testing a low cost Generator performance equipment Coordination with WECC WAMS group
PCC 39
WECC Disturbance Monitoring Working Group Monitor Installation Status (WECC Funded)
With Agreement or in processSubmittal expectedExpressed IntentMember FundedUncommitted* Some Comm. Work Needed
In Service In Service 2007 ScheduledAlamitos Langdon MeadAult Los Banos*BA 345 Maple ValleyBell MicaBig Eddy MidpointBorah MidwayCamp Williams* MohaveCaptain Jack Moss LandingChief Joseph NavajoColstrip Palo VerdeCoulee 19-24 PittsburgCraig RevelstokeCuster Ruth LakeDiablo Canyon San JuanEmpress San OnofreFour Corners SundanceGates* TeslaG.M. Shrum The Dalles (Big Eddy 230)Harry Allen Tracy (NV)Hassayampa ValleyJim Bridger* VincentJohn Day WestwingKeeler WillistonKyrene
47 1
PCC 40
WECC Disturbance Monitoring Working Group WECC Disturbance Monitoring Working Group List of 2007 events for which files have been sentList of 2007 events for which files have been sent
Date Date Time Time Freq. Freq. Event DescriptionEvent Description
(PDT)(PDT) dropped dropped
toto011507-1011507-1 14301430 59.9259.92 770 MW of Generation trip at Four Corners 770 MW of Generation trip at Four Corners
012307-1012307-1 13441344 59.76 59.76 2935 MW Gen drop – BC Hydro2935 MW Gen drop – BC Hydro
020107-1020107-1 11161116 59.8859.88 1750 MW Gen. loss1750 MW Gen. loss
020707-1 020707-1 00580058 59.8859.88 1340 MW Palo Verde unit trip 1340 MW Palo Verde unit trip
032207-1032207-1 15101510 59.40 59.40 SRP lost 750 MW SRP lost 750 MW
032207-1032207-1 16391639 59.9259.92 SRP lost 750 MW SRP lost 750 MW
041007-1041007-1 08460846 59.8359.83 Colstrip gen. trip Colstrip gen. trip
041107-1041107-1 15181518 59.7959.79 Colstrip gen. tripColstrip gen. trip
052307-1052307-1 18081808 59.7459.74 Big Eddy Trans. Trip, 2321 MW drop; CJB Big Eddy Trans. Trip, 2321 MW drop; CJB
062007-1062007-1 13591359 59.9359.93 MPC NEW Gen trip – 740 MWMPC NEW Gen trip – 740 MW
062007-2062007-2 15471547 59.8959.89 SRP Gen drop - 750 MWSRP Gen drop - 750 MW
062007-3062007-3 22512251 59.8959.89 SCE – SONGS Gen drop – 1080 MWSCE – SONGS Gen drop – 1080 MW
062107-1062107-1 11111111 59.9159.91 NEW Gen drop – 740 MWNEW Gen drop – 740 MW
062207-1062207-1 14481448 59.9159.91 PNSC – Gen drop – 717 MWPNSC – Gen drop – 717 MW
071207-1071207-1 16391639 59.8859.88 BCTC -1217 MW Gen drop BCTC -1217 MW Gen drop
071807-1071807-1 06430643 59.8459.84 BPA 1442 Gen drop; CJB BPA 1442 Gen drop; CJB
071907-1071907-1 14141414 59.9059.90 LA DWP Gen drop – 950 MW (IPP)LA DWP Gen drop – 950 MW (IPP)
080207-1080207-1 13321332 59.92 59.92 MPC lost 740 MW Generation MPC lost 740 MW Generation
PCC 41
Regional PlanningCompleted Since Last PCC
Project Name Sponsor Proposed Rating Date Completed
Northern Lights Celilo TransCanada 1496 MW 02/13/08
West of McNary ColumbiaGrid 4500 MW 02/08/08
I5 ColumbiaGrid 5000 MWS. of Allston
March 2008?
Entered Since Last PCC
PCC 42
Phase 1
Entered Since Last PCC
Project Name Sponsor Proposed Rating Date Entered
Canada – N. California PG&E, Avista +/-3000 10/31/2007
Northern Lights Celilo TransCanada 1496 MW 02/13/08
West of McNary ColumbiaGrid 4500 MW ?
I5 ColumbiaGrid 5000 MWS. of Allston
?
PCC 43
Phase 2
Entered Since Last PCC
Project Name Sponsor Proposed Rating Date Entered
Path 51 Southern Navajo APS 3100 11/7/07