WECC-0100 Posting 1 redlined to Posting 2 for 2-4-2015 Posting 1 r… · Web viewIn the context of this document the word “nominal” carries its ... Thermal overload on a Facility

WECC Criterion – TPL-001-WECC-CRT-3: Transmission System Planning Performance

WECC Regional CriterionTPL-001-WECC-CRT-3

Posting 2February 4, 2015

Document name Transmission System Planning PerformanceWECC Regional CriterionTPL-001-WECC-CRT-3

Category (X) Region al CriterionDocument date

Adopted/approved by WECC Board of DirectorsDate adopted/approved

Custodian StandardsStored/filed URL: Approved Regional Business Practices

Previous name/number (if an y) The nomenclature for this document changed from “CRT” to “RBP” on September 5, 2012. It changed back again on June 24, 2014.

This document is iterative of T PL-(001 thru 004)-WECC-RBP-1, followed by TPL-001-WECC-RBP-2.1.

Status ( ) Version 2 Effective Date was Ap ril 1, 2012( ) Version 3 Effective Date is TBA( ) supe rsede d b y( ) othe r( ) o bso lete/a rch ived

Ve rs ion Control

Ver sio n Dat e Act io n Ch ang e H igh ligh ts

1 March 6, 2008WECC Planning Coordi-nation Committee (PCC) approved TPL-(001 thru 004)-WECC-1-CR.

Reliability Subcommittee translates existing WECC components of NERC/WECC Plan-ning Standards into a CRT.

WESTERN ELECTRICITY COORDINATING COUNCIL 155 North 400 West, Suite 200

Salt Lake City, Utah 84103-1114

Transmission System Planning Performance

WECC Regional Criterion

TPL-001-WECC-CRT-3

Document Title 2

1 April 16, 2008 WECC Board of Direc-tors (Board) approved

No substantive changes

2 October 13, 2011

PCC approves Clarifies “corridor”

2 December 1, 2011

Board approves No substantive change

2 September 5, 2012

Board approves Approved a nomenclature change from “CRT” to “RBP”

2.1 August 6, 2013

Errata WM2 Measure moved to WM3. WM3 Mea-sure moved to WM4. WM4 Measure moved to WM2.

2.1 December 5, 2013

Board approves On October 8, 2013, the Ballot Pool voted to retire WR1, WR2, WR4 and WR5 of TPL-(012 through 014)-WECC-RBP-2 as of the Effective Date of NERC TPL-001-4. On De-cember 5, 2013, the Board ratified that deci-sion.

2.1 June 24, 2014 Board changed the RBP designation to that of CRT

No substantive change, only designation.

3 Pending

Developed as WECC-0100 Page 2

W E S T E R N E L E C T R I C I T Y C O O R D I N A T I N G C O U N C I L



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Criterion Development Timeline

This section is maintained by the drafting team during the development of the document and will be removed when the document is approved by the WECC Board of Directors (Board).

Description of Current Draft

Current Status

This is the second posting for comment of WECC Criterion TPL-001-WECC-CRT-3, Transmission System Planning Performance.

Document Scope

This document is designed to address the substance of TPL-001-WECC-CRT-2.1, WECC (TPL), Requirement WR3 and the requirements imposed by NERC TPL-001-4, Requirements R5 and R6. Standard Authorization Request (SAR) WECC-0100 also provides for review and disposition of Table W-1 associated with the WECC TPL. Once the Requirements of this document are more fully developed the drafting team will revisit the need to edit, modify, or delete the table.

Criterion as Proposed

The proposed criterion is designed to ensure the coordinated planning of the Western Interconnection under normal and abnormal conditions, and to ensure the availability of that planning information. This document applies to studies conducted in both the near-term and the long-term planning horizons.

Applicability

Planning Coordinator

Transmission Planner





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Facilities

The document applies to:

Bulk Electric System (BES) substation buses with specified exclusions.

Studies conducted in both the near-term and the long-term planning horizons.

This document applies to all transmission planning studies conducted at the Western Intercon-nection level.

Bulk-Electric System (BES) substations buses.

Each of the following elements is specifically excluded from this Criterion:

o Line side series capacitor buses

o Line side series reactor buses

o Shunt capacitor buses

o Shunt reactor buses

o Metering, fictitious, or other points of interconnection modeled solely for measuring electrical quantities; and,

o Other buses specifically excluded by each Planning Coordinator or Transmission Planner internal to their system.

Effective Date

An Effective Date for the proposed document is targeted for January 1, 2016, to coincide with the Effective Date of NERC Standard TPL-001-4, Transmission System Planning Performance Requirements.

Requirements and Measures

As stated.

Compliance

WECC Criteria do not have a Compliance section.





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Procedural Background

Draft One

Draft One is designed to open an industry dialogue to ensure the direction of the draft aligns with the needs of the industry. Draft One is not intended to be a final work product; rather, is it the springboard from which the drafting team will proceed. The drafting team welcomes comments on all aspects of the document.

To assist the industry in this development process, Mr. Charles Matthews, the team’s chair, anticipates presentation of this document to the Planning Coordination Committee (PCC) during the October 7, 2014 meeting.

Measures and a Guidance Section will be developed once the substance of the Requirements is further developed.

Table W-1

Revision of Table W-1 is within the scope of this project. The drafting team understands that the Table is currently under review by the WECC Reliability Subcommittee (RS). The team will coordinate any changes with the RS.

Procedural Background

On September 5, 2012, the WECC Board of Directors (Board) adopted a recommendation by the Regional Criteria Work Group (RCWG) changing the designation of this document from a WECC Criterion (CRT) to a WECC Regional Business Practice (RBP). On June 24, 2014, the Board reversed that decision and designated this document as a CRT.





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In further keeping with the September 5, 2012 recommendation, on November 28, 2012, a StandardsStandard Authorization Request (SAR) was submitted to evaluate whether this document should be drafted as a WECC Regional Reliability Standard (RRS).

On December 19, 2012, the WECC Standards Committee (WSC) accepted the WECC-0100 SAR as drafted with specific approval to assign an evaluation team to review the subject matter and return a recommendation to the WSC. as to whether the document should be redrafted as an RRS.

On June 26, 2013, the WSC approved the evaluation team’s recommendation to ballot the retirement of TPL-001-WECC-RBP-2.1, WR1, WR2, WR4 and WR5,. If approved the retirement would become effective coincident with the Effective Date of NERC’s TPL-001-4, because the content of the WECC Requirements will be resident in the NERC TPL.-001-4.

On August 8, 2013, the WSC assigned the original drafting team, augmenting the team during later weeks.

On October 8, 2013, a WECC Ballot Pool voted to retire TPL-(012 through 014)-WECC-RBP-2.1, WR1, WR2, WR4 and WR5 of the Effective Date of NERC TPL-001-4. (The Effective Date is projected for approximately January 1, 2016. It should be noted that the TPL has a staggered Effective Date.)

On November 1, 2013, the WECC-0100 Drafting Team (DT):

[1.] 1) Reported completion of the tasks assigned in the WECC-0100 Standard Authorization Request (SAR),);

[2.] 2) Requested the WECC Standards Committee (WSC) deem the WECC-0100 SAR complete; and,

[3.] 3) Requested the WSC accept the DT’s recommendation to proceed with informal drafting in support of an iterative SAR tailored to the remedial needs of TPL-001-WECC-RBP-2.1, System





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Performance, WR3 as well as a more granular implementation plan of TPL-001-4, Transmission System Planning Performance Requirements Requirement R5 and R6.

In light of the retirement of the TPL-001-WECC-RBP-2’s Requirements WR1, WR2, WR4 and WR5, the drafting team reported that an update of the associated Table W-1 was underway by the Reliability Subcommittee.

The WSC agreed to expand the WECC-0100 drafting team to include the entire Reliability Subcommittee, and accept the drafting team’s recommendation that further drafting continue on remedial language for:

[1.] 1) TPL-001-WECC-RBP-2.1. WR3;

[2.] 2) Table W-1; and,

[3.] 3) TPL-001-4, Requirements R5 and R6.

On December 5, 2013, the Board approved the decision to retire portions of the WECC TPL upon the Effective Date of the NERC TPL.

During June 2014, the Planning Coordinating Committee (PCC) conducted a straw poll concluding the most appropriate document categorization for this document should be that of a WECC Regional Criterion.

On June 24, 2014, the Board changed the designation of this document from that of a RBP to that of CRT.





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Implementation Plan

To be developed.





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Project Roadmap

This section is maintained by the drafting team and is subject to change.

Completed Actions Completion Date

1. SAR Filed. November 28, 2012

2. Review Team files Preliminary Recommendation. June 20, 2013

3. WSC approves ballot to retire WR1, WR2, WR4 and WR5. June 26, 2013

4. Notice of Joint Session to discuss retirement. August 2, 2013

5. Ballot Pool open asking for retirement of WR1, WR2, WR4 and WR5.

August 5, 2013

6. WSC approves Drafting Team. August 8, 2013

7. Ballot Pool closed asking for retirement of WR1, WR2, WR4 and WR5.

September 3, 2013

8. Joint Session to discuss retirement. September 5, 2013

9. Ballot open asking for retirement of WR1, WR2, WR4 and WR5.

September 16, 2013

10.Drafting Team – First Meeting – Orientation. September 26, 2013

[2.] [3.] SAR Filed November 28, 2012

11.[4.] [5.] Review Team files Preliminary Recommendation June 20, 2013

[6.] [7.] WSC approves ballot to retire WR1, WR2, WR4 and WR5. June 26, 2013

[8.] [9.] Notice of Joint Session to discuss retirement August 2, 2013





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[10.] [11.] Ballot Pool open asking for retirement of WR1, WR2, WR4 and WR5

August 5, 2013

[12.] [13.] WSC approves Drafting Team August 8, 2013

[14.] [15.] Ballot Pool closed asking for retirement of WR1, WR2, WR4 and WR5

September 3, 2013

[16.] [17.] Joint Session to discuss retirement September 5, 2013

[18.] [19.] Ballot open asking for retirement of WR1, WR2, WR4 and WR5

September 16, 2013

[20.] [21.] Drafting Team – First Meeting – Orientation September 26, 2013

[22.] Ballot closed asking for retirement of WR1, WR2, WR4 and WR5. Retirement approved.

October 8, 2013

[23.] Version 3 – Posting 1 Posted – Open 45 -Day Comment Period .

October 15, 2014

[24.] Version 3 – Posting 1 Posted – Closed. December 1, 2014

[25.] Version 3 – Posting 2 - Open 30 Day Comment Period

[26.] Version 3 – Posting 2- Closed

[27.] Version 3 – Posting 3 - Open 30 day Comment Period

[28.] Version 3 – Posting 3 - Posted – Closed

Anticipated Actions Date

1. Version 2 Posted – Open 30-Day Comment Period

2. Version 2 Posted – Closed

3. Version 3 Posted – Open 30-Day Comment Period





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4. Version 3 Posted – Closed

5. DT meets for final Comments / Forward to WSC

6.[1.] WSC Meets

7.[2.] Open Ballot Pool

8.[3.] Joint Session – Notice

9.[4.] Close Ballot Pool

10.[5.] Joint Session

11.[6.] Open Ballot

12.[7.] Ballot Closed

13.[8.] WSC Meets

14.[9.] Notice to WECC Board of Directors

15.[10.] Board

Implementation Plan

Definitions of Terms Used in the StandardNo new terms are proposed.





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A.

To Be Announced.

New or Modified Term(s) Used in the WECC Glossary for WECC Criteria and Naming Conventions (WECC Glossary).

This section includes all new or modified terms used in the proposed criterion that will be included in the WECC Glossary upon applicable approval. The new or revised terms listed below will be presented for approval with the proposed document. Upon WECC Board of Director (Board) adoption, this section will be removed and the approved terms will be moved to the WECC Glossary.

Term(s): None proposed





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When this standard receives Board approval, the rationale boxes will be moved to the Supplemental Material Section of the standard.

A. Introduction

[1.] 1. Title: Transmission System Planning Performance


[2.] 2. Number: TPL-001-WECC-CRT-3

[3.] 3. Purpose: To ensure the coordinated planning of the Western Interconnection under normal and abnormal conditions, and to ensure the availability of that planning information.

[4.] 4 . Applicability:

[4.1.] 4 .1 . Functional Entities:

[4.1.1.] 4 .1 .1 Planning Coordinator

[4.1.2.] 4 .1 .2 Transmission Planner

[4.2.] 4.2. Facilities:





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4.2.1 This document applies to studies conducted in both the near-term and the long-term planning horizons.

[4.2.1.] This document applies to studies conducted in both the near-term and the long-term planning horizons.

4.2.1. This document applies only to Bulk -Electric- System (BES) substationsub-stations buses.

[4.2.2.] This document applies to all transmission planning studies conducted at the Western Interconnection level.

4.2.2. Each of the following elements is specifically excluded: from this Criterion:

[4.2.2.1.] Line side series capacitor buses;

[4.2.2.2.] Line side series reactor buses;

o Shunt capacitor buses

o Shunt reactor buses

[1)] Metering, fictitious, or other points of interconnection modeled solely for measuring electrical quantities; and

[4.2.2.3.] Shunt capacitor buses

4.2.2.1. Shunt reactor buses

4.2.2.2. Metering, fictitious, or other points of interconnection modeled solely for measuring electrical quantities; and,

4.2.2.3. Other buses specifically excluded by each PC Planning Coordina-tor or TP Transmission Planner internal to their system.

[5.] 6 . Effective Date: Coincident withThe first day of the first quarter following WECC Board of Director approval, but in no case earlier than the Effective Date of NERC Standard TPL-001-4, Transmission System Planning Performance Requirementsrequirements.





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[6.] B. Background:

(Optional)





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B. Requirements and Measures

R1.

Rationale for Requirement WR1:

Requirement WR1 recognizes that each system has its own unique characteristics that need to be addressed. Rather than lock each entity to a specific study parameter this Re-quirement sets a base study parameter coupled with a unique nominal value, established by the Transmission Planner and the Planning Coordinator, to be used in the absence of either a more stringent or less stringent study parameter.

In the context of this document the word “nominal” carries its common definition and is the base (or operating) voltage used in the entity’s Planning Assessment. This voltage will vary from entity to entity.

Requirement WR1 does not preclude an entity from using either a more stringent or less stringent criteria. However, when an entity uses a study criteria other than that required in requirement WR1, it must make available its criteria upon request.

WR1. Each Transmission Planner and Planning Coordinator shall use the following minimumbase criteria in its Planning Assessment: [Addressing, unless otherwise specified in accordance with Requirements WR2 and WR3: [Addresses NERC TPL R5, and R6]

[1.1.] R1.1 Steady-state voltages at all applicable Bulk-Electric System (BES) buses shall stay within each of the following limits [Addressing NERC TPL R5]: :

[1.1.1.1.] 95% percent to 105%110 percent of nominal for P01P01 event (system nor-mal),

1 Those points identified as “P” in this document refer directly to the NERC Standard TPL-001-4, Transmission Sys-tem Planning Performance Requirements, Table-1 Steady State and Stability Performance Planning Events.





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[1.1.1.2.] 90% percent to 110% percent of nominal for P1-P7 events (post-contin-gency).

R1.2

Rationale for Requirement WR1.2:

Requirement WR1.2 establishes a target that could be met by each entity without incurring costs that would outweigh the benefits. Many legacy systems were not designed to meet a more stringent threshold. The eight percent target of Requirement WR1.2 is established not by a technical study; rather, it is established based on sound engineering judgment. Further, certain entities are bound by state tariffs that establish the percentage rate specifically at eight percent.

By default, only automatic post-contingency actions including capacity or reactor switch-ing are considered when calculating voltage deviation.

1.1. Post-Contingency steady-state low voltage deviation at each applicable BES bus serv-ing load (having no intermediate connection) shall not result in voltage deviation ex-ceedingexceed eight percent for P1 events. [Addressing NERC TPL R5]

R1.3 Voltage stability is identified by maintaining positive reactive power margin demonstrated by the following criteria: [TPL R6]

1) All P0-P1 events solve at a minimum of 105% of transfer path flow or forecasted peak load,

2) All P2-P7 events solve at a minimum of 102.5% of transfer path flow or forecasted peak load.

[1.2.] R1.4 TransientTransient stability voltage response shall be verified by demonstrat-ing that for all P1-P7 category events, the transient stability voltage response at appli-cable BES buses shall recover to 80% percent of pre-contingency voltage within 10 sec-onds of the initiating event.

R2.





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Rationale for Requirement WR1.4:

For purposes of Requirement WR1.4, positive damping in stability analysis is demonstrated by showing that the amplitude of power angle or voltage magnitude oscillations after a minimum of 10 seconds is less than the initial post-contingency amplitude. In any case, results that do not show positive damping within a 30-second time frame shall be deemed undamped.

Requirement 1.4 is not intended to require that transient stability simulations be run out to 30-seconds all the time in order to ensure the system is stable and positively damped. Shorter runs are permissible.

1.2. Oscillations that do not show positive damping within a 30-second time frame shall be deemed unacceptable.

WM1. TBD


The rationale for Requirement WR2 is to clarify that an entity may apply more stringent criteria to its own system; however, it may not impose that more stringent criteria on any other system.

WR2. Each Transmission Planner and Planning Coordinator that uses more stringent criteria in its Planning Assessment than that stated in Requirement WR1 shall apply that criteria only to its own system.

WM2. TBA


The rationale for requirement WR3 is to ensure that where study criteria different from that required in Requirement WR1 is used, the study criteria are made available to any entity in need of it. The intent of the requirement is not to mandate “how” that information is published or exchanged – only that it be made available. “How” the





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information is exchanged is business function left open to the affected entities.

WR3. Each Transmission Planner and Planning Coordinator that uses less stringent criteria in its Planning Assessment than that stated in Requirement WR1 shall allow other Transmission Planners and Planner Coordinators to have the same impact on that part of the system for the same category of planning events (e.g., P1, P2).

WM3. TBA


Requirement WR4 is designed to establish precautionary markers that when discovered warrant investigation. The Requirement is not intended to infer that the presence of any one of more of the bulleted conditions creates a de facto negative impact on reliability.

The term “cascading” in Requirement WR4 is not used as the NERC defined term “Cascading.”

WR4. Each Transmission Planner and Planning Coordinator shall investigate the potential for Cas-cadingcascading and uncontrolled islanding, if one or moreany of the following areindica-tors is observed in its Planning Assessment studies: [[Addresses TPL R6] ]:

Thermal overload on a Facility exceeds the phase protective relay settings described in NERC PRC-023-23, Transmission Relay Loadability, and trips.

Any single generator pulls out of synchronism and trips.

The transient stability voltage response at any BES bus is outside of the voltage ride-through criteria defined in Requirement R1.3.2[WR XXXX - THIS CRITERIA IS YET TO BE DEFINED] of this document, after a delayed fault clearing disturbance.

WM4. TBD






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Requirement WR5 is intended to ensure voltage stability of transfer paths as well as the system as a whole, at peak load conditions. A margin on real power flow is used as a test for voltage stability.

WR5. Each Transmission Planner and Planning Coordinator shall identify voltage stability by maintaining positive reactive power margin demonstrated by the following criteria. Power flow solutions refer to post contingency conditions but only the actions of automatic devices should be modeled:

5.1 For all P0-P1 events a power flow solution shall be reached at a minimum of 105 percent of transfer path flow.

5.2 For all P0-P1 events a power flow solution shall be reached at a minimum of 105 percent of forecasted peak load.

5.3 For all P2-P7 events a power flow solution shall be reached at a minimum of 102.5 per-cent of transfer path flow.

5.4 For all P2-P7 events a power flow solution shall be reached at a minimum of 102.5 per-cent of forecasted peak load.

WM5. TBD


Requirement WR6 ensures the free flow of information between entities.

WR6. Each Transmission Planner and Planning Coordinator that uses study criteria different from the base criteria in Requirement WR1 shall make its criteria available upon request.

WM6. TBA





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Version History

Ver-sion

Date Action Change Tracking

1 March 6, 2008

WECC Planning Coordi-nation Committee (PCC) approved TPL-(001 thru 004)-WECC-1-CR.

Reliability Subcommittee translates existing WECC components of NERC/WECC Plan-ning Standards into a CRT.

1 April 16, 2008

WECC Board of Di-rectors (Board) ap-proved

No substantive changes

2 October 13, 2011

PCC approves Clarifies “corridor”

2 December 1, 2011

Board approves No substantive change

2 September 5, 2012

Board approves Approved a nomenclature change from “CRT” to “RBP”

2.1 August 6, 2013

Errata WM2 Measure moved to WM3. WM3 Mea-sure moved to WM4. WM4 Measure moved to WM2.

2.1 December 5, 2013

Board approves On October 8, 2013, the Ballot Pool voted to retire WR1, WR2, WR4 and WR5 of TPL-(012 through 014)-WECC-RBP-2 as of the Effective Date of NERC TPL-001-4. On De-cember 5, 2013, the Board ratified that deci-sion.

2.1 June 24, 2014

Board changed the RBP designation to that of CRT

No substantive change, only designation.

3 Pending





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C. Measures

Measures will be developed after further development of Requirements.

M1. Each [Applicable Entity] will have evidence that its reactive power planning included each of the required elements stated in Requirement R1. Evidence may include but is not limited to [state it].

M2. Each [Applicable Entity] will have evidence that its reactive power planning included each of the required elements stated in Requirement R2. Evidence may include but is not limited to [state it].





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Guidance SectionA Guidance Section is contemplated to explain certain variables and suggest alternative approaches to meet the Requirements. This section will be further developed as the Requirements near final drafting.





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Disclaimer

WECC receives data used in its analyses from a wide variety of sources. WECC strives to source its data from reliable entities and undertakes reasonable efforts to validate the accuracy of the data used. WECC believes the data contained herein and used in its analyses is accurate and reliable. However, WECC disclaims any and all representations, guarantees, warranties, and liability for the information contained herein and any use thereof. Persons who use and rely on the information contained herein do so at their own risk.





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Attachments

TBD





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Rationale

During development of this document, text boxes were embedded within the body to explain the rationale for various parts of the standard. Upon Board approval, the text from the rationale text boxes will be moved to this section.



Documents

WECC-0100 Posting 1 redlined to Posting 2 for 2-4-2015 Posting 1 r… · Web viewIn the context of this document the word “nominal” carries its ... Thermal overload on a Facility