System Protection and Control Subcommittee (SPCS)

Reliability Guidelines
File Type	Size	Date	Description
Backup Protection
Acrobat	434 KB	01/10/12	Transmission System Phase Backup Protection
Technical Reference Documents
File Type	Size	Date	Description
Relay Loadability
Acrobat	119 KB	02/06/07	Beyond Zone 3- EHV Report
Acrobat	290 KB	06/12/06	Methods to Increase Line Relay Loadability (June 2006)
Acrobat	87 KB	06/12/06	Switch-on-to-Fault Schemes in the Context of Line Relay Loadability (June 2006)
Acrobat	234 KB	01/13/06	Working Paper on a Proposed Transmission Relay Loadability Standard (December 2005)
Acrobat	366 KB	12/13/05	Increase Line Loadability by Enabling Load Encroachment Functions of Digital Relays (December 2005)
Acrobat	366 KB	08/19/05	Relay Loadability Exceptions - Determination and Application of Practical Relaying Loadability Ratings (August 2005)
Acrobat	365 KB	08/19/05	Protection System Review Program - Beyond Zone 3 (August 2005)
Acrobat	125 KB	08/19/05	EHV Transmission System Relay Loadability Review and Requests for Temporary and Technical Exceptions (August 2005)
Acrobat	17 KB	08/19/05	Operationally Significant Circuits (August 2005)
Excel	58 KB	04/28/06	Relay Review Reporting Forms Revised (April 2006)
Acrobat	103 KB	08/22/05	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	11/19/04	Relay Loadability Exceptions Document (November 2004)
Excel	265 KB	11/19/04	Summary of Relay Reviews Document (November 2004)
Acrobat	397 KB	09/29/04	Relay Loadability Exceptions Interim Document
Acrobat	83 KB	07/26/04	System Protection and Control Task Force's Initial Recommendations Concerning NERC Recommendation 8A Loadability Requirements on Transmission Protective Relaying Systems.
Acrobat	43 KB	06/22/04	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	1,467 KB	09/17/04	Analytical Development of Loadability Characteristics for EHV and UHV Transmission Lines
Acrobat	756 KB	09/17/04	Application of Line Loadability Concepts to Operating Studies
Acrobat	719 KB	09/17/04	EHV and UHV Line Loadability Dependence on VAR Supply Capability
Acrobat	6,947 KB	09/17/04	U.S. - Canada Power System Outage Task Force Full Final Report
Acrobat	78 KB	09/17/04	NERC Actions to Prevent and Mitigate the Impacts of Future Cascading Blackouts (2-10-04)
Acrobat	1,092 KB	09/17/04	Practical Concepts in Capability and Performance of Transmission Lines
Autoreclosing
Acrobat	1,193 KB	02/09/10	Advantages and Disadvantages of EHV Automatic Reclosing - Technical Reference Document
Protection System Coordination
Acrobat	1,584 KB	08/02/10	Power Plant and Transmission System Protection Coordination - Technical Reference Document
Acrobat Acrobat Acrobat Acrobat	1,901 KB 2,207 KB 356 KB 283 KB	11/25/09 11/25/09 11/25/09 11/25/09	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	10/30/06	The Complexity of Protecting Three-Terminal Transmission Lines (September 2006)
Protection System Reliability
Acrobat	1,151 KB	01/14/09	Redundancy of Protection System Elements
Relay Maintenance
Acrobat	279 KB	10/29/07	Relay Maintenance Technical Reference
Breaker Failure Protection
Acrobat	251 KB	01/10/12	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 Acrobat Acrobat	401 KB 414 KB 327 KB	05/24/11	Reliability Guideline: Transmission System Phase Backup Protection -- Draft for Planning Committee (Clean Version) Reliability Guideline: Transmission System Phase Backup Protection -- Draft for Planning Committee (Redline Version) Comment Form for Reliability Guideline: Transmission System Phase Backup Protection
Acrobat	223 KB	01/03/11	Reliability Fundamentals of System Protection
Standards Support
File Type	Size	Date	Description
Protection System Coordination
Acrobat	50 KB	06/25/07	NERC SPCTF Assessment of Standard PRC-001-0- System Protection Coordination
Acrobat	147 KB	06/22/07	Standard Authorization Request Form for Standard PRC-001-1
Acrobat	77 KB	06/18/07	NERC SPCTF Assessment of Standard PRC-001-0 - System Protection Coordination
Protection System Misoperations
Acrobat	233 KB	08/17/10	SPCS Report on Reliability Standards PRC-003, PRC-004, and PRC-016
Protection System Maintenance
Acrobat	75 KB	06/25/07	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	06/20/07	Standard Authorization Request Form for Standards PRC-005-1, PRC-008-0, PRC-011-0, and PRC-017-0
Acrobat	83 KB	06/18/07	NERC SPCTF Assessment of Standards PRC-005-1, PRC-008-0, PRC-011-0, and PRC-017-0
UFLS
Acrobat	71 KB	07/05/07	NERC SPCTF Supplemental Assessment Addressing FERC Order 693 Relative to: PRC-006-0, PRC-007-0, and PRC-009-0
Acrobat	99 KB	06/20/07	NERC SPCTF Assessment of Standards PRC-006-0, PRC-007-0, and PRC-009-0
UVLS
Acrobat	275 KB	01/03/11	NERC SPCS Technical Review of UVLS-Related Standards: PRC-010-0, PRC-020-1, PRC-021-1, and PRC-022-1
Acrobat	76 KB	06/25/07	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	04/23/10	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	04/23/10	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	04/15/10	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	04/15/10	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	04/15/10	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	04/15/10	Protection Coordination Workshop Session 2 - Power Plant and Transmission System Protection Fundamentals - March 17-18, 2010
Acrobat	833 KB	04/15/10	Protection Coordination Workshop Session 1 - Technical Reference Document - March 17-18, 2010
Acrobat	642 KB	04/15/10	Protection Coordination Workshop - March 17-18, 2010
Acrobat	103 KB	01/28/10	Agenda: Power Plant and Transmission System Protection Coordination Workshop - March 17-18, 2010

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