Re: [TCML] 3 phase to 1 phase conversion

[BrianB <brianb@xxxxxxxxxx>]

Hi Mark,

I'm sure you made a typo there. Your max single phase would be 3.68kW or 3,680W

The most straight forward way to accomplish what you want is to use a MG Set (motor-generator) but it might not be practice due to physical constraints, costs, and system losses. Basically use the largest 3-phase motor your feed will handle then drive a generator whose shaft HP is matched to the motor.

Make sure to do calculations first as its possible to end up with less power available depending on combined system losses such as motor efficiency, generator efficiency, coupling losses. Etc...

Hope this helps!

Regards,
BrianB



On Sep 14, 2012, at 1:43 PM, Mark X2 <susax2@xxxxxxxxx> wrote:

> Hi,
> 
> at home I have 3 phase electric power, 3x25A (230V 50Hz).
> 
> For powering a classic AC spark gap coil I'm basically limited to 3,68kW,
> since the circuit breakers are 16A.
> Perhaps changing one to 20A would be a max. of 4.6kW. But I'm a bit
> reluctant to do that, because the power company's 25A fuses are a bit more
> costly to get replaced.
> 
> If I would like to use a pole pig or parallel multiple PT's, 16A would be a
> bit dorky.
> Is there an out of the box solution to convert 3 to single phase for more
> current? It's not possible to simply connect a transformer or variac
> between 2 phases instead of 1 phase + Neutral?
> 
> Greets,
> Mark
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