Project 2006-02: TPL-001-1 1 Assess Transmission Future … · Brian Keel, SRP Ron Mazur ...
Transcript of Project 2006-02: TPL-001-1 1 Assess Transmission Future … · Brian Keel, SRP Ron Mazur ...
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Project 2006Project 2006--02: TPL02: TPL--001001--11 Assess Transmission Future NeedsAssess Transmission Future Needs
John OdomJohn OdomDrafting Team ChairDrafting Team ChairJune 30, 2009June 30, 2009
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AgendaAgenda
1. NERC Antitrust Compliance Guidelines
2. Opening Remarks and Introductions
3. Webinar Objectives
4. High Level Overview of Comments Received
5. Overview of Changes from Previous Draft
6. Comment Form
7. Q & A
8. Wrap - up
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Anti-trust Compliance Guidelines
It is NERC’s policy and practice to obey the antitrust laws and to avoid all conduct that unreasonably restrains
competition. This policy requires the avoidance of any conduct that violates, or that might appear to violate, the
antitrust laws.
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Introduction
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ATFNSDT Roster
John Odom, FRCC (Chair)
Bob Millard, RFC (Vice Chair)
Darrin Church, TVA
Bill Harm, PJM
Doug Hohlbaugh, FirstEnergy
Julius Horvath, LCRA
Bob Jones, Southern
Brian Keel, SRP
Ron Mazur, Manitoba Hydro
Tom Mielnik, MidAmerican
Bernie Pasternack, AEP
Bob Pierce, Duke
Chifong Thomas, PG&E
Jim Useldinger, KCPL
Dana Walters, National Grid
Active observers
NERC Staff Coordinator – Ed Dobrowolski
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ObjectivesObjectives
1. Update industry on Standard Drafting Team (SDT) efforts.
2. Highlight areas where SDT made:a. Changes from 2nd posting
b. Additions since 2nd posting
3. Q & A to clarify the intent of SDT
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Background Background –– Drafting Team ObjectivesDrafting Team Objectives
Create a new standard that:
1. Has clear, enforceable requirements
2. Is not a Least Common Denominator standard
3. Addresses the issues raised in the SAR and issues raised by FERC and others
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Update on Standard Drafting Team Update on Standard Drafting Team ActivitiesActivities
The response to the first 2 postings has been very good. Between the two postings, the SDT has carefully considered:
More than 180 sets of comments
From over 250 different people
Representing over 100 companies & 9 of the 10 Industry Segments
20 face-to-face meetings & 28 full team conference calls & many more sub-team conference calls
3rd draft posted on May 26 – Comments due July 09
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High Level Overview of CommentsHigh Level Overview of Comments
Draft standard still not as it clear as it could be
Many commenter's agreed with general approach
Most significant disagreements were based on:
1. Lack of clarity in the draft standard
2. Disagreed with a specific requirement, often based on cost to implement
3. Thought that standard caused too much study work 9
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Areas Where Drafting Team Made Areas Where Drafting Team Made ChangesChanges
Definitions
Requirement Text
Performance Table
Violation Risk Factors and Time Horizon
Measures and Data Retention
Violation Severity Levels
Implementation Plan
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Areas Where Drafting Team Made Areas Where Drafting Team Made ChangesChanges
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Definitions (continued)
Non-Consequential Load Loss
Load Reduction - Load that is still connected to the System, but is reduced due to lower voltage conditions following a Planning or Extreme Event.
Supplemental Load Loss - Load that is disconnected from the network by end-user equipment responding to post-Contingency System conditions.
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R1 - Modeling
Includes all modeling/data issues to reduce overlap with requirements in the MOD standards
Eliminates the need for requirements R9 – R14
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R2 – Prepare Planning Assessment
• Minor changes in main requirement
• R2.1 – Revised explanation of sensitivities, removed requirement to explain rationale for those not run and added language to address spare equipment strategy
• R2.3 – Added detail to short circuit analysis section
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R2 – Planning Assessment (continued)
• R2.4 – Clarified that aggregate dynamic models are permitted and made conforming changes from R2.1 concerning the sensitivities
• R2.5 (old) – Removed Generator Stability sub-requirement
• R2.5 – Clarified requirement and added examples of material changes
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R2 – Planning Assessment (continued)
• R2.6 – Corrective Action Plan
Created bulleted list of examples
Eliminated the requirement to explain why changes were made (or not made) based on sensitivities
Added a new requirement that requires documentation when Non-Consequential Load is dropped under circumstances beyond the control of the TP or PC 16
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R2 – Planning Assessment (continued)
• R2.7 – New requirement to develop corrective action plans for deficiencies from short circuit analysis
• R2.8 – Requirement to document the largest Consequential Load for single contingencies – moved from R2.3.2
• R2.9 – New requirement to document the largest Non-Consequential Load
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R3 – Steady State Analysis
• Main requirement changed to require utilization of models from R1
• R3.1 and R3.2 spells out requirements for Planning and Extreme Events
• R3.3 was reformatted for clarity and added requirement to simulate the expected operation of steady state control devices
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R3 – Steady State Analysis (continued)
• R3.4 changed to require the creation of a list of Planning Event contingencies and an explanation of why the remaining contingencies will be less severe
• R3.5 changed to require the creation of a list of Extreme Event contingencies and an explanation of why the remaining contingencies will be less severe
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R3 – Steady State Analysis (continued)
• Eliminate R3.5 (old) since it was not a requirement
R4 (old) – Short Circuit
• Deleted requirement and moved details to R2.3.4
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R4 – Stability Analysis
• Parallel changes from R3 (Steady State)
• Deleted generator unit stability requirement
R5 – Proxies
• Minor changes for clarity
R6 – Define responsibilities (unchanged)
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
R7 – Distribution of Assessments
• Deleted “neighboring systems” and replaced with “adjacent Planning Coordinators and any functional entity who has indicated a reliability need”.
R9, R10, R11, R12, R13 & R14
• Deleted
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 – Performance Requirements
• Combined into a single table
• Top Note b
Added supplemental load loss and load reduction
Clarified that load loss is not allowed for P0
Added restriction that supplemental load loss cannot be utilized to meet steady state performance requirements
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Top Note e – re-wording of note f to clarify that operator actions must be able to be completed within the time duration allowed for the specific rating being utilized
• Top Note g – added to state that P0 is only applicable to steady state conditions
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Top note i – changed language to Transient Voltage Response instead of Dynamic Voltage
• Top note i (old) – Moved “Simulate Normal Clearing” to Footnote 3
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• P0 – changed to “No Contingency”
• P1, P3 & P6 – Changed Single Pole of DC line to SLG fault type
• P1 & P3 – Changed requirements to treat AC lines and DC lines the same
• P3 & P6 – Eliminated SLG fault from fault type column
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• P2 – Clarified language to include “Opening of breaker without a fault”
• P5 – Changed language to clarify that the event is a single Protection System failure
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Extreme Events portion of table
Added shunt devices to the contingency
Changed “single component failure” to “failure of a single protection system”
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Footnote 1 – Added Reserve Sharing Group to definition of Angular Stability
• Footnote 3 – Simulate Normal Clearing, except where noted and added a note that if 3Ø performance is acceptable, then 1Ø performance is acceptable
• Footnote 4 – Added to simplify the table by defining EHV and HV
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Footnote 5 – Added to clarify that Conditional Firm Transmission Service can be curtailed under the basis granted
• Footnote 6 – Changed to clarify that step-up transformers are covered under the requirements of this standard
• Footnote 7 – Added “that are connected to ground”
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Footnote 8 – Added to clarify the intent of description of event P2.1
• Footnote 10 – Added to allow for curtailment of firm transfers (to be consistent with Footnote b in existing TPL standards) and describe allowed circumstances
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Areas Where Drafting Team Areas Where Drafting Team Made ChangesMade Changes
Table 1 (continued)
• Footnote 11 – Removed definitions for Normal Clearing and Delayed Clearing
• Footnote 12 – Added to be consistent with Footnote e in existing TPL standard and define short distances as 1 mile or less
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Additions since 2Additions since 2ndnd PostingPosting
Violation Risk Factors (VRFs)
Time Horizons
Measures
Data Retention
Violation Severity Levels (VSLs)
Implementation Plan
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Implementation PlanImplementation Plan
Effective Dates
• R1 (Modeling) – 12 months
• R7 (Define Responsibilities) – 12 months
• Remaining requirements – 24 months(Excludes “raise the bar” issues)
• “Raise the bar” requirements – 60 months
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Implementation PlanImplementation Plan
“Raise the bar” requirements
• P2-1• P2-2 (above 300 kV)• P2-3 (above 300 kV)• P3-1 through P3-5• P4-1 through P4-5 (above 300 kV)• P5 (above 300 kV)
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Implementation PlanImplementation Plan
“Raise the bar” requirements
• For the 60 month time period, Non- Consequential Load Loss and curtailment of Firm Transmission Service is permitted, as long as all other requirements are met
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Implementation PlanImplementation Plan
“Raise the bar” requirements
• If entity cannot meet the performance requirements without Non-Consequential Load Loss and/or curtailing Firm Transmission Service by the end of the 60 months, a mitigation plan is required
• The plan will be submitted to the Regional Entity and NERC for approval.
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Comment FormComment Form
One question for each requirement
• Asks about the requirement text, VRF, Time Horizon, measure, data retention and VSL
Definitions
Performance Table
Footnotes 5 & 10
Implementation Plan
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Question & Answer
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Team plans to continue monthly meetings with conference calls every two weeks
Please provide written comments by July 9, 2009
Plan to post 4th draft later this year
Conclusion