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Protection Packages

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Application
Guide #
Application Guide Title
Date Code
Author

AG95-07

Complete Transformer Protection Schemes Using the SEL-587 and SEL-501 Relays

950313

Ed Schweitzer,
Jeff Roberts

AG95-08

Select the Best Reclosing Method for Your Application (SEL-321 with Internal SEL-279/SEL-279H Reclosers)

950522

Ed Schweitzer,
Jeff Roberts

AG95-09

Shunt Capacitor Bank Protection Schemes Using the SEL-287V/501 and SEL-587/501 Relays

950509

Ed Schweitzer,
Jeff Roberts

AG98-09

High Impedance Differential Protection Using Overcurrent Relays

20010621

Rick Turner, Stan Zocholl

AG2002-10
CT Saturation and Adaptive Filtering - An SEL Innovation 20021107 John Campbell
AG2005-06 Implementation of Inverse-Time Over- and Undervoltage Elements in SEL-451 and SEL-421 Relays
20050705
Dean Hardister, Jacob Reidt, and Normann Fischer

Making Electric Power Safer, More Reliable, and More Economical
Schweitzer Engineering Labs
2350 NE Hopkins Court - Pullman, WA 99163 – USA
Phone: +1.509.332.1890 - Fax: +1.509.332.7990