Hey andre,

Why not just PWM at 60 Hz? (Did you hear of PWM?)
Invert every other pulse.

Mike.

andre abelian wrote:
> Main idea for counting from 0-360 is that there are 4
> Pulses top 2 and bottom 2 they run at 60hz no matter what
> And they move right and left.
> Their normal startup looks like this:
> Top2 starts at 180degree and bottom 2 starts at 28degree now
> That's when x register=28 default. When x register changes becomes
> 29 top 2 pulses moves 1 degree left which is 179 degree and
> bottom 2 moves 1 degree right becomes 29 degree. 60 hz never gets
> changed. Top2 and bottom2 they are inverted from each other this
> is how inverters generate sinusoid. It looks like 47,25 us
> is ok to use but your calculation is better. I didn't want to talk
> about
>
> it in detail because people do not want to read long e-mail.
> After all final output looks like this.
>
>             <== moves left
>      B1     T1
>      |------|                  |------|
>      |      |                  |      |
> ------      |-----|      |-----|      |-----
>                   |      |
>                   |------|
>                   B2     T2
>                 ==> moves right
>
> B1 = rising edge of bottom pulse
> B2 = falling edge of bottom pilse
> Same thing for T1 and T2.
> based on battery voltage and current load x register will
> be updated in order to keep stable 110v 60 hz 40amp sinusoid.
>

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