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Posted by Bill Farnsworth on 06/07/07 15:21
"Bernie Dwyer" <b_duibhirz@yahooz.comz.auz> wrote in message
news:46679C76.6B5C1C52@yahooz.comz.auz...
> Hi - are there any sparkies (electricians) here?
>
> I'm shooting some rainforest scenes in a couple of weeks and I will
> need
> suitable lighting.
>
> I've worked out the loads and want to confirm that I'm hiring a
> suitable
> 3-phase generator. Here's the details:
>
> All voltages are Australian, i.e. 240VAC, 50Hz. All calculations
> rounded
> up for a safety margin.
>
> Phase 1: unit/makeup. Small lights, airbrush compressors, hot water
> jug,
> etc. Total 14 amps
>
> Phase 2: lights on set, total 29 amps
>
> Phase 3: lights on set, camera power, field monitor, smoke machine,
> etc.
> Total 30 amps
>
> By my calculations, this comes to 17.52 KW of mostly resistive load,
> so
> no power factor to worry about.
>
> I can get a 20KVa generator for a reasonable price, and this would
> seem
> to fit the bill. 17.52 KW shouldn't stress a 20KVa generator. I want
> to
> leave a bit of a reserve. The next one up is a 60KVa generator, and
> it
> costs a lot more.
>
> Any opinions?
>
> (duh, this is the interweb, there'll be opinions, count on it:-)
>
> --
>
> Bernie Dwyer
> There are no 'z' in my address
>
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