What is OLTC in a transformer, specify its fuction.
Answer Posted / ioan c.
OLTC- as the name said, on load tap changer consist in a
mechanism used in side transformer at HV windings acted
manual or automatic to increase/decrease the ratio HV
voltage requested by the network system to maintain it
between acceptable limits (according to standard)- on load
(without interruption at the HV side voltage), without
disconnect the transformer from the network system, this is
the main important thing. Generally this is done
automatically.
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