VTTC power controller in the cathode (phase angle power control) / Tesla Coils / Forums

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VTTC power controller in the cathode (phase angle power control)

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LAN_403

Dr. Dark Current

Tue Oct 18 2011, 05:42PM

Registered Member #152 Joined: Sun Feb 12 2006, 03:36PM
Location: Czech Rep.
Posts: 3384

Hello,
is it OK to connect a "phase cut" power controller for a VTTC into the cathode like in the attached circuit? Every time the SCR fires, the tube will need to produce a high peak current to charge the tank capacitor up from zero volts to max - is this ok?

The reset diode is to make the timing circuit start from zero every cycle so the power can seamlessly be controlled from 0.
(note: essential circuit parts may be missing in the schematic, it is just to illustrate the power controller. Please excuse my weird circuit drawing software.)

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