GETCO Exam Paper (30-11-2008)
The voltage regulation of a transformer at full load and 0.8 power factor lagging is 2.5%. The voltage regulation at full load, 0.8 power factor leading will be
During O.C test obtained no load losses (core loss) During S.C. test obtained copper loss (load losses) during loaded condition of transformer copper loss more significant than core loss.
EXAMIANS