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Every single transformer from Jerry's Electric is assessed with the following quality control tests:
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Turn Ratio
The ratio of primary windings to secondary windings
No Load
Losses of a transformer under no load
Full Load
Losses of a transformer under full load; gives the impedance voltage
Induce Test
400 cycle test run at 1.5 times the rated secondary voltage for 60 seconds
Polarity/Phase Relation
Rated voltage connection
Resistance Test
Resistance on all windings at the rate voltage tap and tap extremes
A/C - D/C Hipot and Insulation Power Factor
Dielectric strength of the windings and insulation
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