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RE: Advanced PSSTC Self-Resonant Boards - FULL SCHEMATICS and now TAKING ORDERS
Original poster: "Tom Luttrell PWRCOM" <tom-at-pwrcom-dot-com.au>
> Original poster: "Eastern Voltage Research Corporation"
> E1 and E2 go the GDT 1 and GDT 2 transformer respectively.
> E3 and E4 go to
> the RETURN of the sames GDT 1 and GDT 2 respectively.
> Therefore each GDT only needs one capacitor. The capacitor
> is to prevent
> flux imbalance on the GDT core and to prevent saturation.
> The sizing of capacitor depends on the actual gate load and
> is not arbitrary
> as it forms an AC divider with the reflected gate load onto the
> primary side.
> > Excuse my ignorance (I know very little about SSTCs) but
> why are the
> > gate drives E1 and E2 AC coupled, but E3 and E4 DC coupled?