Q/ 30-kVA, 2200/220-V, 50-Hz distribution transformer is tested for efficiency and regulation as follows : O.C. test( Low voltage side ) : 220 V 4.2 A, 148 W S.C. test ( Low voltage side ) : 86 V 10.5 A, 360 W Efficiency at full-load and half the full-load at 0.8 p.f. lagging current. Equivalent reactance referred to primary & referred to secondary..........ohm , ..........ohm Equivalent resistance referred to primary & referred to secondary..........ohm , ..........ohm
Q/ 30-kVA, 2200/220-V, 50-Hz distribution transformer is tested for efficiency
and regulation as follows :
O.C. test( Low voltage side ) : 220 V 4.2 A, 148 W
S.C. test ( Low voltage side ) : 86 V 10.5 A, 360 W
Efficiency at full-load and half the full-load at 0.8 p.f. lagging current.
Equivalent reactance referred to primary & referred to secondary..........ohm , ..........ohm
Equivalent resistance referred to primary & referred to secondary..........ohm , ..........ohm
Regulation of transformer at 0.5 p.f. lagging current
The magnetizing current and reactance component of no-load are.........amper , .........ohm
The working current and resistance component of no-load are.........amper , .........ohm *
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