ANSI #51 Time Overcurrent Relay inverse time current curves TCC explained (Live class for the Power PE Exam Starts NEXT WEEK!)

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Zach Stone P.E.

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We are just ONE WEEK away from the start of this semester's first live class for the Power PE Exam!



Next week, all students with an active enrollment will receive a calendar invitation to our first live class of the semester scheduled for January 25th, 2022.

Learn about the different inverse time curves for the ANSI #51-time overcurrent protection relay by watching the short video above from our live class on protection.

In the video, I'll teach you to answer questions on the PE exam about the different inverse time curve settings:
  • Definite time curve (CO-6)
  • Moderately inverse time curve (CO-7)
  • Inverse time curve (CO-8)
  • Very inverse time curve (CO-9)
  • Extremely inverse time curve (CO-11)
Learn more about the fastest growing online class for the Power PE Exam at www.electricalpereview.com.

Have any questions about the ANSI #51 time overcurrent protection relay?

Post your questions below and I'll do my best to answer them.
 

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