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Protective Device Coordination with EasyPower - Part 2
https://www.easypower.com/resources/article/protective-device-coordination-with-easypower-part-2
In Part 2 of this 2-part series on device coordination, Jim Chastain at EasyPower continues his explanation that device coordination can be a complex topic because the process can exacerbate the task of mitigating arc flash incident energy.
Protective Relay Basics
https://www.easypower.com/resources/article/protective-relay-basics
This presentation, given by Andrew Legro, PE. Field Application Engineer at ABB, first discusses the difference between a low voltage circuit breaker and a protective relay and associated components (breaker, CT, relay). With an understanding of the functionality, using an electromechnical 50/51 as a foundation, attendees learn where to apply…
Protective Relay Basics - Part 2: Coordination and Digital Multifunction Relays
The protective relay is a fundamental element in all medium voltage systems. Devices used in medium voltage protection can be very different from their counterparts in the low voltage world, but the fundamentals are the same. This presentation, given by Andrew Legro, P.E. Field Application Engineer at ABB, and Nikita…