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Posted by Bernie Dwyer on 06/07/07 05:49
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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