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TSS Report PCC Meeting Albuquerque, NM March 5-7, 2008.

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Presentation on theme: "TSS Report PCC Meeting Albuquerque, NM March 5-7, 2008."— Presentation transcript:

1 TSS Report PCC Meeting Albuquerque, NM March 5-7, 2008

2 PCC 2 TSS Report Approval 2007 Annual Study Program Report MVWG Budget Assignments Regional Reliability Standards Status MVWG DMWG SRWG Regional Planning / Rating Process

3 2007 Annual Study Program Report

4 PCC 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 UVLS Dynamics Data Base TPL System Performance

5 PCC Study Program Report Eleven Cases: Five operating cases One General 10-Year Winter Case One General 5-Year Summer Case Four Scenario Cases: 10HS2SA Heavy Summer Scenario (maximum generation in Arizona. Mild coastal and extreme desert heat weather conditions.) 10LA1SA Light Autumn Scenario (high flows from California/Montana to the Northwest.) 11LSP1SA Light Spring Scenario (heavy exports from Idaho/Montana in an off-peak case.) 15HS1SA Heavy Summer Scenario (maximum achievable EOR/WOR flows with heavy future IPP generation in California and DSW.)

6 PCC Study Program Report Disturbances 41 Disturbances: 24 N-1 5 N-2 8 G-2 1 N-3 3 DC Bipole 2 Outside of Criteria 6 Did not meet performance, but limited to local system

7 PCC Study Program Report Performance Results DisturbanceDescriptionResponsible Entity D0706A 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 D0709A 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

8 PCC Study Program Performance Results DISTDescriptionResponsible Entity D0707A three-phase Valmy 345 kV fault and loss of the Valmy-Coyote Creek 345 kV line on the 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) D0710A 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 D0712A three-phase Comanche 230 kV fault and loss of the Comanche-Walsenburg 230 kV line on the 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 D0713A 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 D0727A 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 D0728A 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

9 PCC Study Program Report Motion: TSS requests PCC approval of the 2007 Annual Study Program Report

10 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 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.

11 WECC Document Categories

12 PCC 12 Regional Reliability Standards BOD Approved Four Categories Regional Reliability Standard Regional Criteria Policy Guideline Current Assignment: Focus on placing documents into last 3 categories

13 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.

14 SRWG

15 PCC 15 SRWG Study Program Report up for Approval 2008 in progress developing disturbance lists 2009 Survey due February Input Still Welcome went to SRWG, TSS, and PCC

16 PCC 16 SRWG Performance Log LogDescriptionEntity 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 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

17 PCC 17 SRWG Representation Log

18 Modeling and Validation Work Group

19 PCC 19 MVWG Activities Load Modeling Generating Unit Modeling NERC Standard development New generation equipment models AGC Modeling Wind Farm Modeling Modeling of Power Electronics Devices Static VAR Systems HVDC Systems Disturbance Analysis and System Performance Validation

20 PCC 20 MVWG - Load Model Structure Load Model Components Interim Static M 115-kV 230-kV 20% Static M TransformerFeeder Equivalent M M New 115-kV 230-kV M

21 PCC 21 MVWG - 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

22 PCC 22 MVWG - Load Model Structure – Outstanding 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

23 PCC 23 NERC Transmission Issues Subcommittee 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

24 PCC 24 MVWG Generating Unit Modeling

25 PCC 25 NERC Generation Verification Standards MOD Verification of Generator Gross and Net Real Power Capability MOD Verification of Generator Gross and Net Reactive Power Capability MOD Verification of Models and Data for Generator Excitation System Functions MOD Verification of Generator Unit Frequency Response PRC Coordination of Generator Voltage Regulator Controls with Unit Capabilities and Protection PRC Generator Performance During Frequency and Voltage Excursions

26 PCC 26 NERC Generation Verification Standards Met in Atlanta, GA on October 30 – November 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– in Houston, TX. Hosted by Reliant Energy

27 PCC 27 NERC 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

28 PCC 28 MVWG Wind Farm Modeling Abe Ellis, PNM Juan Sanchez-Gasca, GE Bill Price, GE Yuri Kazachkov, Siemens PTI Eduard Muljadi, NREL

29 PCC 29 MVWG - Wind Farm Powerflow Model W Wind-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

30 PCC 30 Proposed Standard Models Four basic topologies based on grid interface Type 1 – conventional induction generator Type 2 – wound rotor induction generator with variable rotor resistance Type 3 – doubly-fed induction generator Type 4 – full converter interface generator full power Plant Feeders ac to dc to ac Type 1Type 2Type 3Type 4

31 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

32 PCC 32 MVWG SVC Models

33 PCC 33 MVWG - 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

34 PCC 34 Les 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

35 Disturbance Monitoring Work Group

36 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

37 PCC 37 DMWG - 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

38 PCC 38 DMWG - Past Activities Past DMWG Activities The DMWG has been functional since 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

39 PCC 39 WECC Disturbance Monitoring Working Group Monitor Installation Status (WECC Funded)

40 PCC 40 WECC Disturbance Monitoring Working Group List of 2007 events for which files have been sent Date Time Freq. Event Description (PDT)dropped to MW of Generation trip at Four Corners MW Gen drop – BC Hydro MW Gen. loss MW Palo Verde unit trip SRP lost 750 MW SRP lost 750 MW Colstrip gen. trip Colstrip gen. trip Big Eddy Trans. Trip, 2321 MW drop; CJB MPC NEW Gen trip – 740 MW SRP Gen drop MW SCE – SONGS Gen drop – 1080 MW NEW Gen drop – 740 MW PNSC – Gen drop – 717 MW BCTC MW Gen drop BPA 1442 Gen drop; CJB LA DWP Gen drop – 950 MW (IPP) MPC lost 740 MW Generation

41 PCC 41 Regional Planning Completed Since Last PCC Project NameSponsorProposed RatingDate Completed Northern Lights CeliloTransCanada1496 MW02/13/08 West of McNaryColumbiaGrid4500 MW02/08/08 I5ColumbiaGrid5000 MW S. of Allston March 2008? Entered Since Last PCC

42 PCC 42 Phase 1 Entered Since Last PCC Project NameSponsorProposed RatingDate Entered Canada – N. CaliforniaPG&E, Avista+/ /31/2007 Northern Lights CeliloTransCanada1496 MW02/13/08 West of McNaryColumbiaGrid4500 MW? I5ColumbiaGrid5000 MW S. of Allston ?

43 PCC 43 Phase 2 Entered Since Last PCC Project NameSponsorProposed RatingDate Entered Path 51 Southern NavajoAPS310011/7/07

44 PCC 44 Phase 3 Entered Since Last PCC Project NameSponsorProposed RatingDate Entered Path 54 Springer #3SRP1133 MW12/04/07 Path 54 Springer #4SRP1494 MW12/04/07


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