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Generator labLab
← Generator lab

Part 1 · The idea

  1. 1Split any three
  2. 2Three circuits

Part 2 · Faults in real systems

  1. 3The four faults
  2. 4Grounding
  3. 5Transformers & the line

Part 3 · Protecting the system

  1. 6The fault recorder
  2. 7What relays see
  3. 8Clear it in time

Teacher guide

The plant and its rotor

Power against angle

A1: energy the rotor gains, where its curve runs below the turbine line. A2: energy it gives back, above it. The faint area is the most A2 there is room for.

One machine, three reactances

    Run this machine yourself: Generator lab → Control room

    Every fault type and place, exciters, the stabiliser, fast valving and the out-of-step relay: the stability lab →

    Your runs
    ClearingFaultδ peakOutcome

    Equal-area formulas

      What the real plant adds

        Enter applies the fault.
        Fault
        Where on line 1
        Model
        After clearing
        The fault is