Search Results - "2007 60th Annual Conference for Protective Relay Engineers"

Protection of Double Circuit Transmission Lines by Apostolov, A., Tholomier, D., Sambasivan, S., Richards, S.

“…This paper describes different cases of parallel transmission lines and analyzes some well known application problems associated with their protection…”
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Relay Performance During Major System Disturbances by Tziouvaras, D.

“…Power systems in the United States and abroad experienced several wide-area disturbances in the last 15 years including the largest blackout on August 14,…”
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Tripping with the Speed of Light: Arc Flash Protection by Wilson, R.A., Harju, R., Keisala, J., Ganesan, S.

“…Reducing clearing time is a critical component in reducing arc flash incident energy levels. Additional benefits include reduced collateral damage, lower…”
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Case Study: Design and Implementation of IEC 61850 From Multiple Vendors at CFE La Venta II by Flores, V.M., Espinosa, D., Alzate, J., Dolezilek, D.

“…The IEC 61850 standard provides methods of developing best engineering practices for substation protection, integration, control, monitoring, metering, and…”
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Functional Testing of IEC 61850 Based Protection Relays by Apostolov, A., Vandiver, B.

“…This paper deals with the new IEC 61850 international standard for communications in substations to implement the protection, automation and control of…”
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Windfarm System Protection Using Peer-to-Peer Communications by Reichard, M. L., Finney, D., Garrity, J.T.

“…Windfarm electrical systems present some unique challenges for protection. The grid tie and wind turbine generators provide multiple sources of fault currents…”
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Undervoltage Load Shedding by Mozina, C.J.

“…This paper discusses why voltage as well as frequency load shedding may be necessary to prevent major system blackouts. This paper explores the nature of…”
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Auxiliary DC Control Power System Design for Substations by Thompson, M.J., Wilson, D.

“…The most critical component of a protection, control, and monitoring system is the auxiliary DC control power system. Failure of the DC control power can…”
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Power Transformer Characteristics and Their Effects on Protective Relays by Mekic, F., Girgis, R., Gajic, Z., Ed teNyenhuis

“…There are a variety of protective relays using different measuring techniques to provide reliable and secure transformer protection. This includes…”
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Input Source Error Concerns for Protective Relays by Angell, David, Power, Idaho

“…Capacitive coupled voltage transformers (CCVTs) and bushing potential devices (BPDs) have supplied high voltage relay potential circuits for many years. The…”
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Fundamentals of Adaptive Protection of Large Capacitor Banks - Accurate Methods for Canceling Inherent Bank Unbalances by Kasztenny, B., Schaefer, J., Clark, E.

“…Shunt capacitor banks (SCB) are installed to provide capacitive reactive compensation and power factor correction. This paper derives technically accurate…”
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Generator Black Start Validation Using Synchronized Phasor Measurement by Koellner, K., Anderson, C., Moxley, R.

“…History has repeatedly demonstrated the need to start generating units without access to the external power grid. This "black start" ability speeds power…”
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Application of Existing Technologies to Reduce Arc-Flash Hazards by Buff, J., Zimmerman, K.

“…This paper includes some important industry definitions of arc flash and ways of measuring arc-flash hazards. It examines the use of existing technologies,…”
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High-Speed Control Scheme to Prevent Instability of A Large Multi-Unit Power Plant by Madani, V., Taylor, E., Erwin, D., Meklin, A., Adamiak, M.

“…Unintended loss of a major power plant can cause substantial strain on the remaining generating resources and lead to local system instability and/or generate…”
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AEP Experience With Protection of Three Delta/Hex Phase Angle Regulating Transformers by Thompson, M.J., Miller, H., Burger, J.

“…American Electric Power installed three 138 kV, 150 MVA delta/hex phase angle regulating (PAR) transformers on the south Texas transmission grid during 2006…”
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Status on the First IEC61850 Based Protection and Control, Multi-Vendor Project in the United States by Holbach, J., Rodriguez, J., Wester, C., Baigent, D., Frisk, L., Kunsman, S., Hossenlopp, L.

“…The new IEC 61850 substation communication standard is almost two years old. Worldwide, there are already over one hundred substations that have been…”
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Distance Relay Response to Transformer Energization: Problems and Solutions by Mooney, J., Samineni, S.

“…Modern distance relays use various filtering algorithms to extract the fundamental frequency component of power system voltage and current waveforms. The…”
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Integration of Substation Data by Kezunovic, M., Sevcik, D., Lunsford, R., Popovic, T.

“…The paper introduces a concept for integration of substation IED data, primarily coming from digital protective relays (DPRs) and digital fault recorders…”
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Advanced Multi-terminal Line Current Differential Relaying and Applications by Hedding, R.A., Mekic, F.

“…Current differential relaying has long been an alternative to directional comparison relaying, especially for short line applications. Current transformer…”
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CT Saturation in Industrial Applications - Analysis and Application Guidelines by Kasztenny, B., Mazereeuw, J., DoCarmo, H.

“…This paper analyzes the problem of protection class CTs in detail and explains its underlying mechanics. Several actual relays are analyzed in terms of their…”
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