A single-phase transformer rated 1.2kV/120V, 7.2kVA yields the following results: Open circuit test (performed on secondary...
A single-phase transformer rated 1.2kV/120V, 7.2kVA yields the
following results:
Open circuit test (performed on secondary side): V2=120V I2=1.2A
W2=40W
Short circuit test (performed on primary side): V1=20V I1=6A
W1=36W
Determine:
| i. ii. iii. |
The equivalent circuit referred to primary side The equivalent circuit referred to secondary side Efficiency of transformer when it delivers 6kVA at 120V and 0.9pf |
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A single-phase transformer rated 1.2kV/120V, 7.2kVA yields the
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