Protection & Relay Coordination

Module 1 / 4
Guided scenario35 min· Path total 2 h 25 min

Relay fundamentals

ORIENT

What this module is for

Explain relay inputs, pickup, and time delay in terms of what the relay actually measures.

EXPERIMENT

Guided scenario in Protection Zone & Relay Scheme Explorer

Change pickup and time dial and observe operating behaviour.

Launch lab Lab details
CHECK

Quick retrieval check

On an inverse-time overcurrent element, higher current produces:
APPLY

Put it in your own words

State why an instantaneous element alone is insufficient for a feeder relay.

Finish this module

Still outstanding before this module can be marked complete:

  • Lab opened
  • Guided scenario steps confirmed
  • Knowledge check submitted
  • Reflection confirmed

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