A transformer should always have its
- primary shorted or off load.
- secondary shorted or on load.
- secondary open circuit or on load.
Explanation from PART66Online
A voltage transformer's secondary may be safely left open-circuit (no load) or connected to a load, but it must never be short-circuited, which would draw excessive current. Likewise the primary should not be shorted. Thus the safe states are secondary open-circuit or on load.
C
chandra.shrestha1988 asked · 27 Feb 2016
Shouldn't it be secondary shorted or on load?
Community Comments (2)
P
PART66Online
29 Feb 2016
If you short out the secondary winding, the primary will burn out.
J
JD2016
18 Dec 2016
May be confusing it with an autotransformer.
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