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Inverters

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hairyasswelder:
Can you get a 110v inverter?
Have a 240v but 110v power tools and dont want the extra weight of a transformer.  Also seems pointless having both when one could do the job  :?

Steve

McGuire:
 They'll be available in the USA, so may well be over here. Can't help with finding one, though - sorry!

Guardian.:
wouldnt have thought they would give the required power for power tools would they? i know a lot of the 240v ones, they dont run much, batterychargers, laptop  and that, but wouldnt boil a kettle or do something usefull, but perhaps ive only seen  low power ones, not that familiar with them after first looking into them a couple of years ago , perhaps the technology is better now.

Wolfie:
Sterling power do a few quasi-sine 110V inverters http://www.sterling-power.com/products-230vi-quasi.htm
The only one that seems to be in their online shop is https://sslrelay.com/s74222713.oneandoneshop.co.uk/sess/utn;jsessionid=1547c462bd11577/shopdata/index.shopscript

But as said it might be better to get one from the USA http://www.voltageconverters.com/inverters_110v.html (just the first link I clicked on) as they are much cheaper, but you would need to look into how much import duty and tax you will be liable for.

Evilgoat:
Power tools have funny power equirements, an inverter is probobly the least efficeint way to do it :)

take circular saw at 400W

thets 400W/12v (wattage is same at any given voltage) gives a draw of 33A
Inrush current on the motor may be well up into the 100+ range IF the invertors can do that, As a motor starts it needs a huge kick of power to get the rotor moving, as it comes closer to running speed this draw drops. Offload the tool may run hapilly untill you try and do something with ti. Motors are harsh loads too as they tend to produce spikes and electrical noise that will nail a cheap inverter pretty quick. You'll be looking at a pure sine invertor with good filtering, fan cooled and lots of saftey. By the time you've done that a 2KVA DERV gennie will look cheap :)

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