Guided scenario30 min· Path total 2 h 5 min

Transformer operation

ORIENT

What this module is for

Relate loading to regulation and losses in a transformer.

EXPERIMENT

Load a transformer through its range and track regulation and losses.

CHECK

Core loss in a transformer is approximately:

Proportional to load current squaredRoughly constant whenever energisedZero at no loadProportional to frequency only

APPLY

Explain why a lightly loaded transformer can still have poor efficiency.

Still outstanding before this module can be marked complete:

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