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DRSSTC First Testing

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Published on Dec 29, 2012

DRSSTC with primary current feedback

Cascaded CT, 1 to 45 * 1 to 33, 10 Ω burden for both OCD and ZCS

2 x Powerex CM300DY-24H H-bridge
410 nF, 10 kV Maxwell primary tank capacitor
4 x RIFA PEH200VY4680M in series-parallel for 6.8 mF at 800 V

2 x 20 A, 140 V Superior Electric Powerstats in series for up to 280 Vrms out, full-wave rectified to up to ~390 V DC

Secondary Coil:12" x 44", ~2200 turns of 25 AWG magnet wire on a Quik-Tube concrete form
Primary Coil: flat spiral, ~7 turns of 0.5" copper refrigeration tubing
Topload: 8" x 40" dryer tubing

Resonant frequency: ~40 kHz

Interrupter: Tektronix PG508, connected via ST fiber

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