Working resonance circuit

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here a sim of a resonating transformer

10V and 4 amps input at 25khz
10KV and 4 amps output.......



$ 1 5.0E-6 3.046768661252054 77 5.0 50
T 336 160 400 240 0 4.56 1.0 2.7700275863221955 -2.7718562715689097
v 336 160 336 240 0 1 24999.999999999996 10.0 0.0 0.0 0.5
c 400 240 480 240 0 4.0E-9 8737.203243007772
r 480 240 480 160 0 1.0
d 480 160 400 160 1 0.805904783
d 400 160 480 240 1 0.805904783
o 2 1 0 35 20480.0 12.8 0 -1
o 3 1 0 35 10.0 12.8 1 -1
o 1 1 0 35 10.0 12.8 2 -1

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Hy Steve,today i build this circuit,got 180v AC on the cap,but no bules at all...whats the catch?