|
Technical Paper Title |
Author |
|
A Comparison Between High-Impedance and Low-Impedance Restricted Earth-Fault Transformer Protection |
Casper Labuschagne, Schweitzer Engineering Laboratories, Inc.
Izak van der Merwe, Eskom Enterprises |
| A Comparison of Line Relay System Testing Methods |
Christopher Araujo, National Grid Company; Fred Horvath, FPL Seabrook Station; Jim Mack, Schweitzer Engineering Laboratories, Inc. |
|
A Fresh Look at Distribution Protection |
Dr.
Edmund O. Schweitzer, III; Gary W. Scheer; Mark W. Feltis |
| A
Review of Impedance Based Fault Locating Experience |
Dr. Edmund O. Schweitzer,
III |
| A View Through the Hacker's Looking Glass |
Garrett Leischner, David Whitehead |
| Advanced
Application Guidelines for Ground Fault Protection |
George E. Alexander;
Joe Mooney; William Tyska |
| Advanced Commercial Power System Protection Practices Applied to Naval Medium Voltage Power Systems |
David Whitehead, Normann Fischer |
| Advanced Sequence Elements for Line Current Differential Protection |
Gabriel Benmouyal and Joe Mooney, Schweitzer Engineering Laboratories, Inc. |
| Advances in Breaker-Failure Protection |
Héctor J. Altuve, Michael Thompson, and Joe Mooney, Schweitzer Engineering Laboratories, Inc. |
| Advances
in Microprocessor-Based Distribution Relays |
Dr. Edmund O. Schweitzer,
III; Mark W. Feltis |
| AEP Experience With Protection of
Three Delta/Hex Phase Angle Regulating
Transformers |
Michael J. Thompson, SEL; Hank Miller and John Burger, American Electric Power |
| An Examination of Test Switches in Modern Protection and Control Systems (WPRC 2007) |
Sam Fulford and Michael Thompson, Schweitzer Engineering Laboratories, Inc. |
| Analog Simulator Tests Qualify Distance Relay Designs to Today’s Stringent Protection Requirements |
Zexin Zhou and Xiaofan Shen, China Electric Power Research Institute Dengfeng Guo, North China Power Grid Co.
Daqing Hou and Shaojun Chen, SEL |
| Analysis of an Autotransformer Restricted Earth Fault Application (WPRC 2007) |
Normann Fischer, Derrick Haas, and David Costello, Schweitzer Engineering Laboratories, Inc. |
| Analysis
of Event Reports |
Jeff Roberts; Dr.
Edmund O. Schweitzer III |
| Analysis
of SEL-100/200 Series Relays' Year End Rollover Operation |
Dean Klas |
| Analyze
Relay Fault Data to Improve Service Reliability |
Roy Moxley |
| Answering
Substation Automation Questions Through Fault Tree Analysis |
Gary W. Scheer |
| Application Considerations for Distance
Relays on Impedance-Grounded Systems (WPRC 2007) |
James Hubertus, Public Service Electric and Gas Company; Joe Mooney and George Alexander, Schweitzer Engineering Laboratories, Inc. |
| Application
Guidelines for Ground Fault Protection |
Joe Mooney, P.E.;
Jackie Peer |
| Application Guidelines for Power Swing Detection on Transmission Systems |
Joe Mooney and Normann Fischer, SEL |
| Application of Existing Technologies to Reduce Arc-Flash Hazards |
Jim Buff and Karl Zimmerman, Schweitzer Engineering Laboratories, Inc. |
| Applying an Ethernet LAN in a Substation |
Peter Talacci and Swapan Dey (NSTAR Electric & Gas Corp.); Ronald E. Moore, Jr. (SEL) |
| Applying
Digital Current Differential Systems Over Leased Digital Service |
Ken Fodero, (SEL);
Girolamo Rosselli, (San Diego Gas & Electric) |
| Applying IEC 61850 to Real Life:
Modernization Project for 30 Electrical
Substations |
Sergio Kimura and Andre Rotta, (Elektro Eletricidade e Serviços S.A.);
Ricardo Abboud, Rogério Moraes, Eduardo Zanirato, and Juliano Bahia (SEL) |
| Aspects
of Overcurrent Protection for Feeders and Motors |
Dr. Edmund O. Schweitzer,
III; S.E. Zocholl |
| Assessing
the Effectiveness of Self-Tests and Other Monitoring Means in Protective
Relays |
John J. Kumm; Edmund
O. Schweitzer, III; Daqing Hou |
| Attack
and Defend Tools for Remotely Accessible Control and Protection Equipment
in Electric Power Systems (TAMU 2002 and GATech 2002) |
Paul W. Oman; Allen
D. Risley; Jeff Roberts; Edmund O. Schweitzer, III |
|
Automated Event Retrieval Reduces Operating Costs |
Todd Rosenberger, Oncor Electric Delivery
David Prestwich, Matthew Watkins, and Mark Weber, Schweitzer Engineering Laboratories, Inc. |
|
Automated Power Management Systems for Power Consumers With On-Site Generation |
Scott Manson, Saurabh Shah |
| Automation at Protection Speeds: IEC 61850 GOOSE Messaging as a Reliable, High-Speed Alternative to Serial Communications |
Nicholas C. Seeley |
| Auxiliary DC Control Power System Design for Substations |
Michael J. Thompson |
| Avoid
Generator and System Damage Due to a Slow Synchronizing Breaker (WPRC
97) |
Richard C. Young, Wisconsin Electric Power Company
Lawrence C. Gross, Jr.; L. Scott Anderson, Schweitzer Engineering Laboratories, Inc. |
| Backup Transmission Line Protection for Ground Faults and Power Swing Detection Using Synchrophasors (WPRC 2007) |
Armando Guzmán, Venkat Mynam, Greg Zweigle, Schweitzer Engineering Laboratories, Inc. |
| Capacitive
Voltage Transformers: Transient Overreach Concerns and Solutions
for Distance Relaying |
Daqing Hou; Jeff
Roberts |
| Case Study Comparison of Serial and Ethernet Digital Communications Technologies for Transfer of Relay Quantities |
Mike Gugerty, Southern California Edison; Dave Dolezilek and Robin Jenkins, Schweitzer Engineering Laboratories, Inc. |
| Case
Study of a Large Transmission and Distribution Substation Automation
Project |
David J. Dolezilek |
| Case Study of Digital Control Systems for High-Voltage Substations |
James Propst (WAPA); Mike Dood (SEL) |
| Case Study: Design and Implementation of IEC 61850 From Multiple Vendors at CFE La Venta II |
Victor Manuel Flores and Daniel Espinosa, Comisión Federal de Electricidad
Julian Alzate and Dave Dolezilek, Schweitzer Engineering Laboratories, Inc. |
| Case Study: Efficiently Replace PLC Automation Systems by Integrating IEDs with Fiber-Optic and Ethernet Communications in the Substation |
Robin Jenkins and Dave Dolezilek, SEL; Dan Darms and Bryon Gurney, City of Mesa |
| Case Study: Integrate Substation IEDs to
Provide Reliable, Independent Dual-Primary
Remedial Action Schemes |
Dave Dolezilek and Robin Jenkins, Schweitzer Engineering Laboratories, Inc.;
Mike Agudo and Dave Fox, Western Area Power Administration |
| Case Study: Revised Engineering and Testing
Practices Resulting From Migration to
IEC 61850 |
Harold Fischer, Jeffrey Gilbert, and Greg Morton, PPL Electric Utilities Corporation; Michael Boughman and David Dolezilek, Schweitzer Engineering Laboratories, Inc. |
| Case Study: Using IEC 61850 Methods for RTU Replacement and Distributed Automation |
Robin Jenkins and David Dolezilek |
| Case Study: Utilizing Ethernet Radios and Communications Processors to Integrate Remote IEDs |
Fred Stewart, City of Minden Utilities
Randy Pylant, Power Connections, Inc.
Roger Baldevia, Jr., Schweitzer Engineering Laboratories, Inc. |
| Challenges and Solutions in the Protection of a Long Line in the Furnas System |
Fernando Goldman and Walmer Ferreira Soares, FURNAS, Brazil
Ricardo
Abboud, SEL Brazil |
| Choosing
Between Communications Processors, RTUs, and PLCs as Substation Automation
Controllers - White Paper |
David J. Dolezilek |
| Commissioning of Protective Relay Systems (WPRC 2007) |
Karl Zimmerman, Schweitzer Engineering Laboratories, Inc. |
| Commonwealth
Edison Jefferson Substation Integrated IED Design Description - White Paper |
David J. Dolezilek;
Darold Woodward |
| Communications Technologies and Practices to Satisfy NERC Critical Infrastructure Protection (CIP) |
Tim Tibbals and David Dolezilek |
| Comparing
Ground Directional Element Performance Using Field Data |
Karl Zimmerman;
Joe Mooney |
| Comparing Motor Thermal Models |
Stanley E. Zocholl |
| Comparing
the Reliability of Ethernet Network Topologies in Substation Control
and Monitoring Networks |
Gary W. Scheer;
David J. Dolezilek |
| Comparing
Throughput of Substation Networks |
Darold Woodward,
PE; David Tao |
| Comparison
of Fiber-Optic Star and Ring Topologies for Electric Power Substation
Communications |
Gary Scheer |
| Comparison
of SEL-2020 Star Network to Shared Networks |
Dr. Edmund O. Schweitzer,
III; Gary W. Scheer; David Dolezilek |
| Computer-Based
Relay Models Simplify Relay-Application Studies |
Joseph B. Mooney,
Daqing Hou (SEL); Charlie F. Henville, Frank P. Plumptre, (BC Hydro) |
| Configuration and Performance of IEC 61850
for First-Time Users – UNC Charlotte Senior
Design Project |
Youssef Botza, Matthew Shaw, Peter Allen, Mike Staunton, and Dr. Robert Cox,
(University of North Carolina at Charlotte);
Michael Boughman, Casey Roberts, and William Rominger,(SEL) |
| Concerns
About Intrusions into Remotely Accessible Substation Controllers
and SCADA Systems |
Paul Oman and Dr.
Edmund O. Schweitzer, III (SEL); Deborah Frincke (University of Idaho) |
| Connecting SCADA Systems to Corporate IT Networks Using Security-Enhanced Linux (WPRC 2007) |
Ryan Bradetich, Schweitzer Engineering Laboratories, Inc.;
Paul Oman, University of Idaho, Department of Computer Science |
| Considerations for the Application of Synchrophasors to Predict Voltage Instability |
Nayana Niglye, Frederick S. Peritore, and Richard D. Soper, (Long Island Power Authority); Chris Anderson, Roy Moxley, and Armando Guzmán, (SEL) |
| Considerations for Using Harmonic Blocking and Harmonic Restraint Techniques on Transformer Differential Relays |
Ken Behrendt, Normann Fischer, and Casper Labuschagne, Schweitzer Engineering Laboratories, Inc. |
| Controlled Switching of HVAC Circuit Breakers: Application Examples and Benefits (WPRC 2007) |
Dan Goldsworthy and Tom Roseburg, Bonneville Power Administration; Demetrios Tziouvaras and Jeff Pope, Schweitzer Engineering Laboratories, Inc. |
| Current Transformer Accuracy Ratings |
S.E. Zocholl |
| Current
Transformer Concepts |
S.E. Zocholl; D.W.
Smaha |
| Cybersecurity as Part of Modern Substations |
Dwight Anderson and Garrett Leischner |
| Dairyland Power Installs Multifunction High-End Meters and Expanded Wide Area I/P Communications for Metering and Real-Time Data Collection |
Ed West and Ken Graves, Dairyland Power Cooperative
Dick Martin, Schweitzer Engineering Laboratories, Inc. |
| Detection of High-Impedance Faults in Power Distribution Systems |
Daqing Hou, Schweitzer Engineering Laboratories, Inc. |
| Determine
Current Transformer Suitability Using EMTP Models (WPRC '99) |
Ralph Folkers |
| Deterministic High-Impedance Fault Detection and Phase Selection on Ungrounded Distribution Systems |
Daqing Hou and Normann Fischer |
| Digital
Communications for Power System Protection: Security, Availability, & Speed |
Edmund O. Schweitzer,
III; Ken Behrendt; Tony Lee |
| Digital Communications Improve Contact I/O Reliability |
Gary W. Scheer & Roy E. Moxley |
| Directional Comparison Protection Over Radio Channels for Subtransmission Lines: Field Experience in Mexico (WPRC 2007) |
Servando Sánchez, Alfredo Dionicio, Martín Monjarás, Manuel Guel, Guillermo González, and Octavio Vázquez, Comisión Federal de Electricidad, México; José L. Estrada, Altos Hornos de México, S.A. de C.V. (AHMSA); Héctor J. Altuve, Ignacio Muñoz, Iván Yánez, and Pedro Loza, Schweitzer Engineering Laboratories, Inc. |
| Directional
Element Design and Evaluation |
Jeff Roberts; Armando
Guzmán |
| Display
and Analysis of Transcontinental Synchrophasors |
Roy Moxley, Chuck
Petras, Chris Anderson,
Ken Fodero II |
| Distance Element Performance Under Conditions of CT Saturation (WPRC 2007) |
Joe Mooney, P.E., Schweitzer Engineering Laboratories, Inc. |
| Distance Protection: Pushing the Envelope |
Edmund Stokes-Waller |
| Distance
Relay Element Design |
Jeff Roberts; Dr.
Edmund O. Schweitzer III |
| Distance Relay Response to Transformer Energization: Problems and Solutions |
Joe Mooney, P.E. and Satish Samineni |
| Drop-In
Control House for a Large 230 kV Transmission Substation: A Case Study
In Implementation |
Douglas M. Arcure
(Shaw Group); and Chris Clippinger, (SEL). |
| Dynamic
Simulations Challenge Protection Performance |
Charlie Henville
(BC Hydro), Ralph Folkers (SEL), Allen Hiebert (BC Transmission Corporation),
Rudi Wierckx (RTDS Technologies, Inc.) |
| Dynamic Simulations Help Improve Generator Protection |
Ramón Sandoval, Comisión Federal de Electricidad, Mexico; Armando Guzmán, Héctor J. Altuve, and Jean León, Schweitzer Engineering Laboratories, Inc. |
| Electronic Security of Real-Time Protection and SCADA
Communications |
Allen Risley, Jeff Roberts, Peter LaDow |
| Electronic Security Risks Associated With Use Of Wireless,
Point-To-Point Communications In The Electric Power Industry |
Allen Risley and Jeff Roberts |
| Enhanced Load Transfer Schemes for
Very Reliable Service |
Mike Collum, Greg Hataway, Roy Moxley, and Lee Underwood |
| Enhanced Motor Protection With the
Slip-Dependent Thermal Model:
A Case Study (WPRC 2007) |
Patrick Whatley, Plant Power and Control Systems, LLC; Mark Lanier, Lee Underwood, and Stan Zocholl, Schweitzer Engineering Laboratories, Inc. |
| Enhancing Power System Automation Through the Use of Real-Time Ethernet |
Veselin Skendzic and Armando Guzmán |
| Ensuring Recloser Control Compliance With
IEEE C37.60–2003 Testing |
Matthew B. Watkins and Mark Zeller |
| Evaluation of Distance and Directional Relay Elements on Lines With Power Transformers or Open-Delta VTs |
Karl Zimmerman, Dan Roth |
| Evaluation
of Methods for Breaker Flashover Protection |
Ramón Sandoval,
(Comisión Federal de Electricidad); Jean León Eternod,
(SEL, S.A de C.V.) |
| Experience, Improvements in Operation, Limitations, and Successes of an Ungrounded Distribution Network Protection Scheme |
Carlos Erroa, ETESAL, El Salvador C.A.; Miguel Cruz and Fernando Calero, Schweitzer Engineering Laboratories, Inc. |
| Extending the Substation LAN Beyond Substation Boundaries: Current Capabilities and Potential New Protection Applications of Wide-Area Ethernet |
Veselin Skendzic (SEL); Roger Moore (RuggedCom, Inc.) |
| Fault-Tolerant Integrated Protection and Control System
for KM20 Substation Modernization Project |
Michael Thompson, David Gonzalez, Manglio Lopez |
| Field Evaluation of Slip-Dependent Thermal Model for Motors with High-Inertia Starting |
Ed Lebenhaft P.E. |
| Filtering
for Protective Relays |
Edmund O. Schweitzer,
III; Daqing Hou |
| First Order Thermal Model Applied to Cyclic Loads |
IEEE-IAS Cement Industry Committee; Ed Lebenhaft, P.E., Schweitzer Engineering Laboratories, Inc. |
| Flexible High-Speed Load Shedding Using a Crosspoint Switch |
Will Allen and Tony Lee, SEL |
|
Functional Overview and Operating Principles of the AutoRANGER™—White Paper |
Tyson Salewske
E. O. Schweitzer Manufacturing Co., LLC |
| Generator Black Start Validation Using Synchronized Phasor Measurement |
Kristian Koellner, PE, Salt River Project
Chris Anderson and Roy Moxley, SEL |
| High-Speed
Distribution Protection Made Easy: Communications-Assisted Protection
Schemes for Distribution Applications |
Roy Moxley and Ken
Fodero |
| How
Microprocessor Relays Respond to Harmonics, Saturation, and Other
Wave Distortions |
SE Zocholl |
| IEC 61850 GOOSE and IEEE C37.118 Synchrophasors Used for Wide-Area
Monitoring and Control, SPS, RAS, and Load and Generation Management |
David Dolezilek |
| IEC 61850: Role of Conformance Testing in
Successful Integration |
Eric A. Udren, KEMA T&D Consulting; Dave Dolezilek, Schweitzer Engineering Laboratories, Inc. |
| IEC 61850: What You Need to Know About Functionality and Practical Implementation |
Dave Dolezilek |
| IEC 61850-9-2 Process Bus and Its Impact on Power System Protection and Control Reliability |
Veselin Skendzic, Ian Ender, and Greg Zweigle |
| Impedance-Based
Fault Location Experience |
Karl Zimmerman and
David Costello |
| Implementation of a High-Speed Distribution Network Reconfiguration Scheme |
Greg Hataway and Ted Warren, SEL
Chris Stephens, Coweta Fayette EMC |
| Implementation
of an Unconventional Voltage Slide Scheme |
I.L. van der Merwe,
(Eskom RSA); J. Cloete, (Eskom Enterprises RSA); N. Fischer, (SEL) |
| Implementing
a Line Thermal Protection Element Using Programmable Logic |
Gabriel Benmouyal,
Michael B. Bryson, Marc Palmer |
| Implementing Distribution Automation and Protection |
Karl Zimmerman, Mike Collum |
| Implementing SCADA Security Policies via Security-Enhanced Linux |
Ryan Bradetich (SEL); Paul Oman (University of Idaho, Department of Computer Science) |
| Improving Power System Reliability Using Multifunction
Protective Relays - White Paper |
Armando Guzmàn |
| Improve
Substation Control and Protection by Communication of Analog Information
(WPDAC 2002) |
Roy Moxley; Darold
Woodward |
| Improved
Sensitivity and Security for Distribution Bus and Feeder Relays |
Edmund O. Schweitzer,
III; Mark W. Feltis; Ahmed F. Elneweihi |
| Improved Service Reliability for Rural Electric Customers—Innovative Auto-Restoration Following Loss of Primary Source Interconnection |
James W. Rice, Plumas Sierra Rural Electric Cooperative; Nicholas C. Seeley and Sam Fulford, Schweitzer Engineering Laboratories, Inc. |
| Improvements in Feeder Protection—Providing a Primary and Backup Relay System Utilizing One Relay per Feeder |
Craig Lange, Schweitzer Engineering Laboratories, Inc.; Mark Oens, Snohomish County Public Utility District No. 1 |
| Improving Power System Operating Capacity Through Wide-Area
Synchronous Phase Angle Measurement |
Roy Moxley; Darold
Woodward |
| Increasing Metering Accuracy by Optimizing the Analog-to-Digital Converter Characteristics |
Travis Mooney, Dick Martin |
| Induction Motors: Part I - Analysis |
SE Zocholl |
| Induction
Motors: Part II - Protection |
SE Zocholl |
| Industrial Application of the SEL-734 Meter - White Paper |
Eddie Schweitzer |
| Innovative
Solutions Improve Transmission Line Protection (WPRC '97) |
Daqing Hou; Armando
Guzman; Jeff Roberts |
| Input Source Error Concerns for Protective Relays |
David Angell, Idaho Power
Daqing Hou, Schweitzer Engineering Laboratories, Inc. |
| Integrate IEDs With OPC Technology |
Pankaj Bhatt; Roger Baldevia, Jr. |
| Integrated
Transformer, Feeder, And Breaker Protection: An Economic And Reliable
Solution For Distribution Substations |
Mark G. Gutzmann
and Pratap G. Mysore (Northern States Power Company); Armando Guzmán
(SEL) |
| Integrating Remotely Located Substations Into
SCADA Systems: A Case Study Using
Commercially Available Satellite Internet
Service Providers for SCADA Communications |
James W. Rice (Plumas-Sierra Rural Electric Cooperative); Nicholas C. Seeley (SEL) |
| International Collaboration in Synchronized Measurement Experiment in Russia |
Andrey Grobovoy, Power System Emergency Control Laboratory, Ltd.; Natalia Bondareva, Siberian Electric Power Research Institute; Vladimir Stepanov, ABB Automation; Edsel Atienza, Schweitzer Engineering Laboratories, Inc. |
| International
Drive Distribution Automation and Protection |
James R. Fairman
(Florida Power Corporation); Karl Zimmerman & Jeff W. Gregory (SEL),
James K. Niemira (S&C Electric Company) |
| Introduction To Symmetrical Components |
Edmund O. Schweitzer, III Ph.D. and Stanley E. Zocholl |
| Lessons Learned Analyzing Transmission Faults (WPRC 2007) |
David Costello, Schweitzer Engineering Laboratories, Inc. |
| Lessons Learned Through Commissioning and Analyzing Data From Transformer Differential Installations |
David Costello, Schweitzer Engineering Laboratories, Inc. |
| Limits
to the Sensitivity of Ground Directional & Distance Protection |
Jeff Roberts; Edmund
O. Schweitzer III; Renu Arora, PE; Ernie Poggi, PE |
| Line
Differential Protection with an Enhanced Characteristic |
Demetrios A. Tziouvaras,
Hector Altuve, Gabriel Benmouyal, Jeff Roberts |
| Local
and Wide-Area Network Protection Systems Improve Power System Reliability |
Armando Guzmán,
Demetrios
Tziouvaras, Edmund
O. Schweitzer III, (SEL); Ken E. Martin, (Bonneville Power Administration) |
| Low- Or No-Cost Cybersecurity Solutions For Defending The Electric Power System Against Electronic Intrusions |
Allen Risley and Kevin Carson |
| Low
Power Voltage and Current Transducers for Protecting and Measuring
Medium and High Voltage Systems (WPRC '99) |
Ruthard Minkner
(Trench, Inc.), Edmund O. Schweitzer (SEL) |
| Measuring
and Improving the Switching Capacity of Metallic Contacts (WPRC '99) |
Edmund O. Schweitzer,
Tony Lee |
| Measuring
and Improving DC Control Circuits |
Jeff Roberts; Tony
J. Lee |
| Methods For Securing Substation LAN Communications |
David Dolezilek |
| Methods
For Securing Substation Relay Communications |
David Dolezilek |
| Microprocessor
Relay Capabilities Improve PECO's Protection, SCADA, & Maintenance |
James A. Schwenk;
Mark D. Diehl; Robert A. Crognale |
| Microprocessor-Based
Distribution Relay Applications |
Karl Zimmerman |
| Microprocessor-Based Protective Relays
Deliver More Information and Superior
Reliability With Lower Maintenance Costs |
Richard Kirby and Ron Schwartz |
| Microprocessor-Based
Transmission Line Relay Applications |
Joe Mooney |
| More Than Communication – the Engineering Approach of IEC 61850 |
Tim Tibbals, Dave Dolezilek |
| Multifunction Relays and Protection Logic
Processors in Distribution Substation Applications |
David Sánchez Escobedo, Eliseo Alcázar Ramírez, Oscar A. Márquez Villanueva, and Héctor J. Altuve Ferrer,
Schweitzer Engineering Laboratories, S.A. de C.V, Monterrey, N.L., México
Alexis Martínez del Sol, Departamento de Ingeniería Mecánica y Eléctrica, Universidad de Guadalajara |
| Mutual Impedance in Parallel Lines – Protective Relaying and Fault Location Considerations (WPRC 2007) |
Fernando Calero, Schweitzer Engineering Laboratories, Inc. |
| Negative-Sequence
Impedance Directional Element |
Bill Fleming |
| Negative-Sequence
Overcurrent Element Application and Coordination in Distribution Protection |
Edmund O. Schweitzer,
III; John Kumm |
| New Developments in Distance Relay Polarization and Fault Type Selection |
Edmund O. Schweitzer |
| New
Directional Ground-Fault Elements Improve Sensitivity in Ungrounded
and Compensated Networks |
Jeff Roberts, Dr.Daqing
Hou, Fernando Calero, Dr. Hector J. Altuve |
| New
Ground Directional Elements Operate Reliably for Changing System
Conditions (WPRC '96) |
Armando Guzmán;
Jeff Roberts; Daqing Hou |
| New
Multi-Ended Fault Location Design for Two- or Three-Terminal Lines |
D A Tziouvaras;
J B Roberts; G Benmouyal |
| Nonconventional
System Design for Flexible Data Retrieval and Use |
Gary W. Scheer;
David J. Dolezilek |
| Obtaining
A Reliable Polarizing Source For Ground Directional Elements in Multisource
Isolated-Neutral Distribution Systems |
Jeff Roberts, Normann
Fischer, Bill Fleming, Robin Jenkins (SEL); Alan Taylor - (Los Angeles
Department of Water and Power) |
| Optimized Distribution Feeder Protection With Remote and Local Control |
G. B. Rauch |
| Optimizing Motor Thermal Models |
Stanley E. Zocholl |
| Out-Of-Step
Protection Fundamentals and Advancements |
Demetrios A. Tziouvaras,
Daqing Hou |
| Performance
Analysis of Traditional and Improved Transformer Differential Protective
Relays |
Armando Guzman;
Stan Zocholl; Gabriel Benmouyal (SEL); Hector J. Altuve (Universidad
Autonoma de Nuevo Leon) |
| Philosophies
For Testing Protective Relays |
John J Kumm, Mark
S. Weber, E.O. Schweitzer, III; Daqing Hou |
| Power
Delivery System Integration and Automation at Overton Power District
No. 5 Overton, Nevada |
Kevin Streett (Overton
Power), Kevin Leech (SEL), Greg Rauch (SEL) |
| Power
System Automation |
David J. Dolezilek |
| Power Transformer Protection Improvements With Numerical Relays |
A. Guzman, H. Altuve, D. Tziouvaras |
| Practical Considerations for Ethernet
Networking Within Substations |
Shawn Coppel, American Electric Power; Timothy Tibbals and Adrian Silgardo, SEL |
| Practical
Considerations for Single-Pole-Trip Line-Protection Schemes |
Fernando Calero
and Daqing Hou |
| Predicting
the Optimum Routine Test Interval for Protective Relays |
John J. Kumm; Mark
Weber; Edmund O. Schweitzer, III; Daqing Hou |
| Preserve High-Speed Protection During Bypass Operations |
J. Gastón Ortega and Elijah Nelson, Schweitzer Engineering Laboratories, Inc. |
| Primary
High-Current Testing of Relays With Low Ratio Current Transformers |
Stanley E. Zocholl, Joe Mooney |
| Programmability of Numerical Relays: A Busbar Protection
Relay Serves as a Traditional RTU |
Casper Labuschagne,
(SEL); IL van der Merwe, (Eskom Resources and Strategy Division) |
| Protecting
a 138 kV Phase Shifting Transformer: EMTP Modeling and Model Power
System Testing |
Demetrios A. Tziouvaras
(SEL) and Ramon Jimenez (ComEd an Exelon Company) |
| Protecting Power Transformers From
Common Adverse Conditions |
Ali Kazemi, Casper Labuschagne |
| Protection, Control, and Automation System for a Multistation Looped Distribution System (WPRC 2007) |
David Charles, ESCO Engineering and Testing;
Ryan McDaniel and Michael Dood, Schweitzer Engineering Laboratories, Inc. |
| Protection
of Fuseless Shunt Capacitor Banks Using Digital Relays (WPRC '99) |
Malkiat S. Dhillon
(PG&E), Demetrios A. Tziouvaras (SEL) |
| Protection of High-Voltage AC Cables |
Demetrios A. Tziouvaras |
| Protection
for Unexpected Delta Sources |
Ken Behrendt |
|
Protective Relay Synchrophasor Measurements During Fault Conditions |
Armando Guzman and Satish Samineni |
| Proven
Drop-In Control House Turnkey Solution for Total Protection, Monitoring,
Automation, and Control of T&D Substations -- A Case Study in
Justification and Implementation |
Brian McDermott
(Duke Power); David J. Dolezilek (SEL); Timothy P. Tibbals (SEL) |
| Rating
CTs for Low Impedance Bus and Machine Differential Applications |
Stanley E. Zocholl |
| Real-Time Power System Control Using Synchrophasors (WPRC 2007) |
Edmund O. Schweitzer, III and David E. Whitehead, Schweitzer Engineering Laboratories, Inc. |
| Rebirth
of Negative-Sequence Quantities in Protective Relaying With Microprocessor-Based
Relays |
Fernando Calero |
| Relay-Assisted Commissioning |
Casper Labuschagne and Normann Fischer, SEL |
| Relay Element Performance During Power System Frequency Excursions (WPRC 2007) |
Daqing Hou, Schweitzer Engineering Laboratories, Inc. |
| Relay Performance During Major System Disturbances |
Demetrios A. Tziouvaras, Schweitzer Engineering Laboratories, Inc. |
| Relay-To-Relay
Digital Logic Communication For Line Protection, Monitoring, and
Control |
Ken Behrendt |
| Relays in the Hot Box |
Fernando Gutierrez, (Imperial Irrigation District); Roy Moxley, David Kopczynski, and Dan Holmes, (SEL) |
| Reliability
Analysis of Transmission Protection Using Fault Tree Methods (WPRC
97) |
Edmund O. Schweitzer,
III; Bill Fleming; Tony J. Lee |
| Reliability
Analysis for a Generation Shedding Scheme on the CFE Main Transmission
Network |
Jean León
Eternod |
| Reliable Busbar and Breaker Failure Protection With Advanced Zone Selection |
Armando Guzmán, Casper Labuschagne, and Bai-Lin Qin |
| Remote Data Monitoring and Data Analysis for Substations
- A Case Study in Implementation |
David Dolezilek and Brian
McDermott |
| Resolving
Digital Line Current Differential Relay Security and Dependability
Problems: A Case History |
Debra Carroll (Tacoma
Power); John Dorfner (Tacoma Power); Tony Lee (SEL); Ken Fodero (SEL);
Chris Huntley (GE Lentronics) |
| Review
of Ground Fault Protection Methods for Grounded, Ungrounded, and
Compensated Distribution Systems |
Jeff Roberts; Hector
Altuve; Daqing Hou |
| Safety Impact of Instrumentation and Control Systems |
Gary Scheer, Mark Zeller |
| Safeguarding
IEDs, Substations, and SCADA Systems Against Electronic Intrusions |
Paul Oman; Edmund
O. Schweitzer, III; Jeff Roberts |
| Secure Application of Transformer Differential Relays for Bus Protection |
Michael Thompson and Ralph Folkers (SEL); Amy Sinclair (ELECSAR Engineering) |
| Secure SCADA and Engineering Access Communications: A
Case Study of Private and Public Communication Link Security |
Dave Dolezilek, Kevin Carson, Kevin Leech (SEL); Kevin Streett (Overton
Power District No. 5) |
| Securing
Sequence-Current Differential Elements |
Gabriel Benmouyal
and Tony Lee |
Security Through VLAN Segmentation:
Isolating and Securing Critical Assets Without Loss of Usability |
Garrett Leischner and Cody Tews |
| SEL-421 Performance as Both a Protective Relay and a Phasor Measurement Unit—White Paper |
Mike Bryson and Satish Samineni |
|
SEL-3021 Serial Encrypting Transceiver Is Immune to the SHA-1 Hashing Algorithm Compromise - White Paper |
David Whitehead |
| SEL-3021
Wireless Interface Security - White Paper |
Allen D. Risley
and David Whitehead |
| SEL
Communications and Integration - White Paper |
David Dolezilek |
| SEL
Products and Features Make Integration Easy |
E.O. Schweitzer,
III, Gary W. Scheer |
| Selecting
CTs To Optimize Relay Performance (WPRC 1996) |
S.E. Zocholl; Jeff
Roberts; Gabriel Benmouyal |
| Selecting, Designing, and Installing Modern Data Networks in Electrical Substations |
Gary W. Scheer and David J. Dolezilek |
| Selecting Directional Elements for Impedance-Grounded Distribution Systems (WPRC 2007) |
Ronald Lavorin, Southern California Edison; Daqing Hou, Héctor J. Altuve, Normann Fischer, and Fernando Calero, Schweitzer Engineering Laboratories, Inc. |
| Sending Protection and Automation Data Over PEMEX Ethernet
Network: A Case Study |
Carlos A. Guzmán C., Manglio A. Lopez A., Jorge H. Díaz
H. (SEL S.A. de C.V.); Enrique Priego-Franco (PEMEX Gas y Petroquímica
Básica) |
| Significant
Substation Communication Standardization Developments (WPDAC 2000) |
Dave Dolezilek
(SEL); Eric Udren (Cutler-Hammer); Steven Kunsman (ABB) |
| Speed
and Reliability of Ethernet Networks for Teleprotection and Control |
Gary W. Scheer,
Darold A. Woodward |
| Standard CT Accuracy Ratings in Metal-Clad Switchgear |
Stanley Zocholl, SEL |
| Stanford University, Palou Substation Modernization Project |
Steve Briscombe, (Stanford University); Glyn Lewis, (Applied Power);
Michael Thompson, (SEL ) |
| Static Var Compensation Controlled via Synchrophasors (WPRC 2007) |
Anthony Johnson, Robert Tucker, Thuan Tran, Southern California Edison;
John Paserba, Dan Sullivan, Mitsubishi Electric Power Products, Inc.;
Chris Anderson and Dave Whitehead, Schweitzer Engineering Laboratories, Inc. |
| Statistical
Comparison and Evaluation of Pilot Protection Schemes (WPRC 1996) |
John J. Kumm, Edmund
O. Schweitzer, III |
| Steady-State
Protection Study for the Application of Series Capacitors in the Empangeni
400 kV Network |
Graeme Topham, (Eskom
Enterprises); Edmund Stokes-Waller, (SEL) |
| Substation Communication Techniques to Satisfy NERC Urgent Action Standard 1200 |
Tim Tibbals, David Dolezilek |
| Substation
Communications: When Should I Use EIA-232, EIA-485, And Optical Fiber?
(WPRC 1996) |
Karl Zimmerman;
Edmund O. Schweitzer, III |
| Substation
Relay Data and Communication |
Ken Behrendt; Michael
J. Dood |
| Successfully Designing Integrated Substations |
Darold A. Woodward |
| Superimposed
Quantities: Their True Nature and Their Application in Relays (WPRC
'99) |
Gabriel Benmouyal,
Jeff Roberts |
| Symmetrical
Components: Line Transposition |
Stanley E. Zocholl |
| Sympathetic
Tripping Problem Analysis and Solutions (WPRC '97) |
Jeff Roberts; Terrence
L. Stulo; Andres Reyes |
| Synchronized
Phasor Measurement in Protective Relays for Protection, Control,
and Analysis of Electric Power Systems |
Gabriel Benmouyal;
Edmund O. Schweitzer, III; Armando Guzmán |
| Synchrophasor-Based Monitoring, Analysis, and Control |
Roy Moxley |
| Synchrophasor-Based Real-Time Voltage Stability Index |
Yanfeng Gong and Noel Schulz, (Mississippi State University); Armando Guzmán, (SEL) |
| Synchrophasors in The Real World |
Roy Moxley |
| The
Effect of Conventional Instrument Transformer Transients on Numerical
Relay Elements |
Demetrios Tziouvaras;
Jeff Roberts; Gabriel Benmouyal; Daqing Hou |
| The
Effect of Multiprinciple Line Protection on Dependability and Security |
Jeff Roberts, Demetrios
Tziouvaras, Gabriel Benmouyal, Hector J. Altuve |
| The
Hows and Whys of Ethernet Networks in Substations |
Darold A. Woodward |
| The
Impact of High Fault Current and CT Rating Limits on Overcurrent
Protection |
Gabriel Benmouyal
and Stanley E. Zocholl |
| The Impact of Synchronous Generators Excitation Supply on Protection and Relays (WPRC 2007) |
Gabriel Benmouyal, Schweitzer Engineering Laboratories, Inc. |
| The Importance of Relay and Programmable
Logic Documentation |
Jason Young and Derrick Haas, Schweitzer Engineering Laboratories, Inc. |
| The Perfect Time: An Examination of Time Synchronization Techniques |
Ken Behrendt, Ken Fodero |
| The Power of Modern Relays Enables Fundamental Changes in Protection and Control System Design |
Michael Thompson |
| The Trajectories of Line Current Differential Faults in the Alpha Plane |
Gabriel Benmouyal |
| Thermal
Models in Power System Protection (WPRC '99) |
Stanley E. Zocholl,
Armando Guzmán |
| Three-Phase
Circuit Analysis and the Mysterious ko Factor |
S.E. Zocholl |
| Timing Options and Tradeoffs for Automation and Wide Area Measurement Systems – Timing Is Everything |
Roy Moxley and Ken Fodero |
| Today’s Power Engineering Shortage – An
Alarming Problem With a Powerful Upside |
Amy Grice, Tacoma Power;
Jackie M. Peer and Greg T. Morris, Schweitzer Engineering Laboratories, Inc. |
| Tools
for Protecting Electric Power Systems From Electronic Intrusions
(WPDAC 2002) |
Paul W. Oman, Jeff
Roberts, and Dr. Edmund O. Schweitzer III |
| Transformer Fault Analysis Using Event Oscillography |
Casper Labuschagne and Normann Fischer, Schweitzer Engineering Laboratories, Inc. |
| Transformer Maintenance Interval Management |
Roy Moxley, Armando Guzman |
| Transformer
Modeling As Applied to Differential Protection |
S.E. Zocholl; Armando
Guzmán; Daqing Hou |
| Transformer
Protection - An Analysis of Field Cases |
Stanley Zocholl |
| Transmission
Line Protection for Increasing Power System Requirements |
Armando Guzman;
Joe Mooney; Gabriel Benmouyal; Normann Fischer |
| Trip
and Restore Distribution Circuits at Transmission Speeds |
Jeff Roberts; Karl
Zimmerman |
| Tutorial: Complex Busbar Protection Application (WPRC 2007) |
Laura Steenkamp, Eskom Transmission;
Casper Labuschagne and Edmund Stokes-Waller, Schweitzer Engineering Laboratories, Inc. |
|
Tutorial: From the Steinmetz Model to the Protection of High-Inertia Drives |
Stanley E. Zocholl, Schweitzer Engineering Laboratories, Inc. |
| Tutorial: Security in Electric Utility Control Systems (WPRC 2007) |
Steven Hurd, Sandia National Laboratories;
Rhett Smith and Garrett Leischner, Schweitzer Engineering Laboratories, Inc. |
| Underground/Submarine
Cable Protection Using a Sequence Directional Comparison Scheme (WPRC
'99) |
Jesus Vargas (INELAP),
Armando Guzman (SEL), Jorge Robles (CFE) |
| Understanding
and Analyzing Event Report Information (WPRC 2000) |
David Costello |
| Understanding,
Predicting, and Enhancing the Power System Through Equipment Monitoring
and Analysis |
David J. Dolezilek |
| Understanding Service Factor, Thermal Models, and Overloads |
Stanley Zocholl, SEL |
| Unified
Shunt Capacitor Bank Control and Protection |
Edmund O. Schweitzer,
III (SEL); Jolene Schafman (Bonneville Power Administration) |
| Use of Directional Elements at the Utility - Industrial Interface |
David Costello,
Martin Moon, and Greg Bow |
| Uses and Limitations of Advanced Analog Quantities |
Roy Moxley |
| Using
Dynamic Real-Time Substation Information to Reinvent Asset Management |
David J. Dolezilek
(SEL); Lee Margaret Ayers (OSI Software, Inc.) |
| Using
Information from Relays to Improve the Power System |
David J. Dolezilek
and Dean A. Klas |
| Using Synchronized Phasor Angle Difference for Wide-Area Protection and Control |
Enrique Martínez and Nicolás Juárez, Comisión Federal de Electricidad, Mexico; Armando Guzmán, Greg Zweigle, and Jean León, Schweitzer Engineering Laboratories, Inc. |
| Using
Thermal Limit Curves to Define Thermal Models of Induction Motors |
Stanley E. Zocholl
and Gabriel Benmouyal |
| Using Time Error Differential Measurement in Protection Applications |
Roy Moxley and Mirek Wronski |
| Validation of Out-of-Step Protection With a
Real Time Digital Simulator |
Frank Plumptre, BC Hydro; Stephan Brettschneider, Cegertec; Allen Hiebert, BC Transmission Corporation;
Michael Thompson and Mangapathirao “Venkat” Mynam, Schweitzer Engineering Laboratories, Inc. |
| Z
= V/I Does Not Make a Distance Relay |
J. Roberts; A Guzmán;
E.O. Schweitzer, III |
| Zero-Setting Power-Swing Blocking Protection |
Gabriel Benmouyal,
Daqing Hou, and Demetrios
Tziouvaras |
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