System Protection and Control Subcommittee Reference Documents
​Reliability Guidelines
File Type Size Date Description
Backup Protection
Acrobat 434 KB 1/10/2012 Transmission System Phase Backup Protection
File Type Size Date Description
Relay Loadability
Acrobat 119 KB 2/6/2007 Beyond Zone 3- EHV Report
Acrobat 290 KB 6/12/2006 Methods to Increase Line Relay Loadability (June 2006)
Acrobat 87 KB 6/12/2006 Switch-on-to-Fault Schemes in the Context of Line Relay Loadability (June 2006)
Acrobat 234 KB 1/13/2006 Working Paper on a Proposed Transmission Relay Loadability Standard (December 2005)
Acrobat 366 KB 12/13/2005 Increase Line Loadability by Enabling Load Encroachment Functions of Digital Relays (December 2005)
Acrobat 366 KB 8/19/2005 Relay Loadability Exceptions - Determination and Application of Practical Relaying Loadability Ratings (August 2005)
Acrobat 365 KB 8/19/2005 Protection System Review Program - Beyond Zone 3 (August 2005)
Acrobat 125 KB 8/19/2005 EHV Transmission System Relay Loadability Review and Requests for Temporary and Technical Exceptions (August 2005)
Acrobat 17 KB 8/19/2005 Operationally Significant Circuits (August 2005)
Excel 58 KB 4/28/2006 Relay Review Reporting Forms Revised (April 2006)
Acrobat 103 KB 8/22/2005 Rationale for the Use of Local and Remote (Zone 3) Protective Relaying Backup Systems - A Report on the Implications and Uses of Zone 3 Relays (February 2, 2005)
Acrobat 265 KB 11/19/2004 Relay Loadability Exceptions Document (November 2004)
Excel 265 KB 11/19/2004 Summary of Relay Reviews Document (November 2004)
Acrobat 397 KB 9/29/2004 Relay Loadability Exceptions Interim Document
Acrobat 83 KB 7/26/2004 System Protection and Control Task Force's Initial Recommendations Concerning NERC Recommendation 8A Loadability Requirements on Transmission Protective Relaying Systems.
Acrobat 43 KB 6/22/2004 Clarification of the Transmission Line Emergency Ampere Rating to be used to Determine Compliance with Loadability Requirements for Zone 3 Relays (Blackout Recommendation 8a) 
References

Acrobat

1467 KB 9/17/2004 Analytical Development of Loadability Characteristics for EHV and UHV Transmission Lines 

Acrobat

756 KB 9/17/2004 Application of Line Loadability Concepts to Operating Studies

Acrobat

719 KB 9/17/2004 EHV and UHV Line Loadability Dependence on VAR Supply Capability

Acrobat

6,947 KB 9/17/2004 U.S. -  Canada Power System Outage Task Force Full Final Report

Acrobat

78 KB 9/17/2004 NERC Actions to Prevent and Mitigate the Impacts of Future Cascading Blackouts (2-10-04)

Acrobat

1,092 KB 9/17/2004 Practical Concepts in Capability and Performance of Transmission Lines
Autoreclosing
Acrobat 1,193 KB 1/14/2009 Advantages and Disadvantages of EHV Automatic Reclosing - Technical Reference Document
Protection System Coordination
Acrobat 1,584 KB 6/22/2017 Power Plant and Transmission System Protection Coordination - Technical Reference Document
 
 
1,901 KB
2,207 KB
356 KB
283 KB
 
11/25/2009
11/25/2009
11/25/2009
11/25/2009
Attachments for December 8-9, 2009 Planning Committee Agenda
Attach. 1 - A Technical Reference Document:  Power Plant and Transmission System Protection Coordination (clean)
Attach. 2 - A Technical Reference Document:  Power Plant and Transmission System Protection Coordination (redline)
Attach. 3 - Comments by FE on draft 6.5 of Att. 2 and SPCS responses
Attach. 3 - Comments by ATC on draft 6.5 of Att. 2 and SPCS responses
Acrobat 558 KB 10/30/2006 The Complexity of Protecting Three-Terminal Transmission Lines (September 2006)
Protection System Reliability
Acrobat 1,151 KB 1/14/2009

Redundancy of Protection System Elements

Relay Maintenance
Acrobat   279 KB 10/29/2007 Relay Maintenance Technical Reference
Breaker Failure Protection
Acrobat   251 KB 1/10/2012 Use of Circuit Breaker Position Indication in Breaker Failure Protection (Approved by the Planning Committee)
Reports to the Planning Committee
File Type Size Date Description
Reliability Fundamentals
Acrobat
432 KB
6/1/2011 Reliability Guideline: Transmission System Phase Backup Protection
Acrobat

223 KB

1/3/2011 Reliability Fundamentals of System Protection
Standards Support
File Type Size Date Description
Protection System Coordination
Acrobat 50 KB 6/25/2007 NERC SPCTF Assessment of Standard PRC-001-0- System Protection Coordination
Acrobat 147 KB 6/22/2007 Standard Authorization Request Form for Standard PRC-001-1
Acrobat 77 KB 6/18/2007 NERC SPCTF Assessment of Standard PRC-001-0 - System Protection Coordination
Protection System Misoperations
Acrobat 233 KB 8/17/2010 SPCS Report on Reliability Standards PRC-003, PRC-004, and PRC-016
Protection System Maintenance
Acrobat 75 KB 6/25/2007 NERC SPCTF Supplemental Assessment Addressing FERC Order 693 Relative to: PRC-005-1, PRC-008-0, PRC-011-0, and PRC-017-0
Acrobat 90 KB 6/20/2007 Standard Authorization Request Form for Standards PRC-005-1, PRC-008-0, PRC-011-0, and PRC-017-0
Acrobat 83 KB 6/18/2007 NERC SPCTF Assessment of Standards PRC-005-1, PRC-008-0, PRC-011-0, and PRC-017-0
UFLS
Acrobat 71 KB 7/5/2007 NERC SPCTF Supplemental Assessment Addressing FERC Order 693 Relative to: PRC-006-0, PRC-007-0, and PRC-009-0
Acrobat 99 KB 6/20/2007 NERC SPCTF Assessment of Standards PRC-006-0, PRC-007-0, and PRC-009-0
UVLS
Acrobat 275 KB 1/3/2011

NERC SPCS Technical Review of UVLS-Related Standards: PRC-010-0, PRC-020-1, PRC-021-1, and PRC-022-1

Acrobat 76 KB 6/25/2007 NERC SPCTF Assessment of Standard PRC-010-0- Assessment of the Design and Effectiveness of UVLS Program
Related Files
File Type Size Date Description
Workshops and Webinars
Acrobat 835 KB 4/23/2010 Protection Coordination Workshop Session 7 - Reverse Power (32), Negative Sequence Current (46),
Inadvertent Energizing (50/27), Stator Ground Fault (59GN/27TH), Generator Differential (87G), Transformer Differential (87T), and Overall Differential (87U) Protection  - March 17-18, 2010
Acrobat 817 KB 4/23/2010 Protection Coordination Workshop Session 6 - GSU Phase Overcurrent (51T), GSU Ground Overcurrent (51TG), and Breaker Failure (50BF) Protection  - March 17-18, 2010
Acrobat 894 KB 4/15/2010 Protection Coordination Workshop Session 5 - Volts Per Hertz (24), Undervoltage (27), Overvoltage (59), and Under/Overfrequency (81) Protection  - March 17-18, 2010
Acrobat 1,039 KB 4/15/2010

Protection Coordination Workshop Session 4 - Loss-of-Out-of-of Field (40) and Out of Step Protection (78)  - March 17-18, 2010

Acrobat 861 KB 4/15/2010

Protection Coordination  Workshop Session 3 - Phase Distance (21) and Voltage Voltage-Voltage-Controlled or Voltage Restrained Overcurrent Protection (51V) - March 17-18, 2010

Acrobat 1,182 KB 4/15/2010

Protection Coordination Workshop Session 2 - Power Plant and Transmission System Protection Fundamentals - March 17-18, 2010

Acrobat 833 KB 4/15/2010 Protection Coordination Workshop Session 1 - Technical Reference Document - March 17-18, 2010
Acrobat 642 KB 4/15/2010 Protection Coordination Workshop - March 17-18, 2010
Acrobat 103 KB 1/28/2010 Agenda: Power Plant and Transmission System Protection Coordination Workshop - March 17-18, 2010