Search Results - "2010 63rd Annual Conference for Protective Relay Engineers"

Synchrophasor-based power system protection and control applications by Schweitzer, Edmund O, Whitehead, David, Zweigle, Greg, Ravikumar, Krishnanjan Gubba

“…Synchrophasor data consist of analog and digital values with an associated precise time stamp. With precise time, these quantities are collected from various…”
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Anti-islanding today, successful islanding in the future by Mulhausen, John, Schaefer, Joe, Mynam, Mangapathirao, Guzman, Armando, Donolo, Marcos

“…Distributed generation (DG) is gaining popularity in the United States and across the world. The Florida Public Service Commission recently passed rules…”
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Modern line current differential protection solutions by Miller, Hank, Burger, John, Fischer, Normann, Kasztenny, Bogdan

“…Line current differential protection creates challenges for relay design and application. From a design perspective, the distributed nature of the line current…”
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Fundamentals and improvements for directional relays by Zimmerman, Karl, Costello, David

“…Phase and ground directional elements are relied on for fast and secure protection throughout the power system. Although directional relays have been applied…”
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Fundamentals of short-circuit protection for transformers by Kasztenny, Bogdan, Thompson, Michael, Fischer, Normann

“…This paper reviews principles of protection against internal short circuits in transformers of various constructions. Transformer fundamentals are reviewed as…”
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Reliabilty of protection systems (what are the real concerns) by Sykes, Jonathan, Madani, Vahid, Burger, John, Adamiak, Mark, Premerlani, William

“…Protection Systems have a significant role in maintaining the stability and reliability of the electric power grid. Their optimal performance plays a vital…”
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Fundamental principles of transformer thermal loading and protection by Perez, Joe

“…Power transformers are traditionally protected by differential protection schemes that use voltages and currents to detect abnormalities in the differential…”
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Implementation and application of an independent Texas synchrophasor network by Grady, W Mack, Costello, David

“…Synchronized phasor measurements are becoming widely used in wide-area networks (WANs) around the world for real-time control, monitoring, and post-disturbance…”
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Traveling wave-based fault location experiences by Zimath, Sergio Luiz, Ramos, Marco Antonio, Filho, Jayme Silva, Beck, Joaquim Moutinho, Mueller, Nei

“…Transmission utility companies continuously strive for high availability of their lines. When a line is off service following a permanent fault, a significant…”
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Principles of shunt capacitor bank application and protection by Samineni, Satish, Labuschagne, Casper, Pope, Jeff

“…Shunt capacitor banks (SCBs) are used in the electrical industry for power factor correction and voltage support. Over the years, the purpose of SCBs has not…”
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Determining the faulted phase by Costello, David, Zimmerman, Karl

“…In August 1999, a lightning strike caused a misoperation of a relay installed in the late 1980s. The relay misoperation caused a two-minute outage at a…”
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Justifying pilot protection on transmission lines by Kobet, Gary, Kasztenny, Bogdan, Allen, Mark, Buanno, Art, Darlington, Albert N, Deronja, Alla, DoCarmo, Hyder, Finley, Jerry, Gresko, George, Henriksen, Larry, Jensen, Mike, Kennedy, Bill, Kuras, Kazik, Madani, Vahid, McCannon, Walter, McDonald, Mike, Miller, John, Nagpal, Mukesh, O'Brien, Jim, Plumptre, Frank, Price, Elmo, Sambasivan, Sam, Simon, Mark, Tan, Jian Cheng, Voloh, Ilia, Ward, Solveig, Young, Ray

“…Pilot protection schemes use communication channels to send information from the local relay terminal to the remote relay terminal, thereby allowing high-speed…”
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A review of negative sequence current by Wang, John, Hamilton, Randy

“…Sequence component analysis plays an essential role in analyzing power system faults and explaining some power system phenomena. It is very well known that…”
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Considerations for using high-impedance or low-impedance relays for bus differential protection by Behrendt, Ken, Costello, David, Zocholl, Stanley E

“…Two drastically different types of differential relays, one with a single set of very high-impedance inputs and another with multiple sets of low-impedance…”
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IEC 61850 process bus - principles, applications and benefits by Apostolov, A, Vandiver, B

“…Modern distance protection relays are complex multifunctional devices based on classical or advanced operating principles that impose special requirements for…”
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A guide to digital fault recording event analysis by Perez, Joe

“…Proper interpretation of fault and disturbance data is critical for the reliability and continuous operation of the power system. A correct interpretation…”
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Testing of Phasor Measurement Units by Vandiver, B, Apostolov, A, Steinhauser, F

“…Phasor Measurement Units (PMUs) are getting increasingly popular. Major incidents in the near past, such as the big blackouts in 2003 in the northeast of the…”
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Coordinating generator protection with transmission protection and generator control - NERC standards and pending requirements by Mozina, Charles J

“…Recent misoperations of generation protection during major system disturbances have highlighted the need for better coordination of generator protection with…”
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Upgrading your protective relays - when theory meets reality by Sperl, Jay, Carper, Brent, Coe, Will

“…In theory, it is easy to see the advantage of upgrading a protective relay installation from Electro-Mechanical Relays or Solid-State Relays to Modern Digital…”
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Using hall-effect sensors to add digital recording capability to electromechanical relays by Makki, Amir, Bose, Sanjay, Giuliante, Tony, Walsh, John

“…The paper describes the use of Hall-effect sensors for adding digital recording and harmonic analysis capabilities to major substation equipment such as…”
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