Physics · Challenge

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Transformer turns ratioRunning
Field coil. Secondary turns at 101 turns. Primary side 1113200 turns, Secondary side 528000 turns. Currently primary side is over by 585200 turns.TUNINGPRIMARY SIDE101 TURNS13 TURNS SHOWN
t = 0.0s

Primary side

1113200turns

Secondary side

528000turns

101 turns

Field coil. Secondary turns at 101 turns. Primary side 1113200 turns, Secondary side 528000 turns. Currently primary side is over by 585200 turns.

What has to balanceVsVp=NsNp\frac{V_s}{V_p} = \frac{N_s}{N_p}

What is happening

You take control of a village transformer being rewound to feed a new pump house.

The secondary winding count on the order form is blank. The primary has 2 200 turns on 11 000 V, and the pump house must receive 240 V.