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Tesla Four
Third biggest solid-state coil in the world. Biggest in Europe.
| Secondary | 10" x 30", 1700 turns |
| Topload | 8" x 24" spun
(optional 8" x 48") |
| Primary | 10" single turn |
| Capacitor | 15uF MMC (15x CDE 942 1uf 1000V in parallel)
expandable to 30uF |
| Resonant frequency | 66 kHz |
| Power input | Design target 3kW, operated at over 4kW |
| Power supply | DC resonant charging, thyristor controlled, with passive PFC, adjustable from 0 to 1kV |
| Power requirement | 240V AC, 50/60Hz, single phase, up to 30A |
| "Spark gap" | Two CM600HA-24H IGBT modules in parallel, overdriven to 2500A each, may possibly have operated at 4000A |
| Break rate | Adjustable 1 to 600bps. Plus banzai mode with 3000bps and interrupter |
| Spark length | 6 ft 9in @ 400bps, 4kW (with 48" toroid and 30uF tank capacity) |
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