UK Karting - Notice Board (General Karting) : Re: Cheapo generators

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Re: Cheapo generators
Posted by 'gettingquicker' on 30 Mar 2009 @ 23:15

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gettingquickerJoined: February 2008
Total Posts: 1
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Hi guys,
as an electrician I might be able to offer some advice on this subject,
I will try to explain the best I can,
generators tend to be sized in KVA, they use this term because generators are not normaly 100% efficient
generally generators have a power factor of about 0.8 (so put 1 in, get 0.8 out, lost 0.2)
so if a generator is advertised at lets say 2.8 KVA to get the kw rating you would need to (X) 2.8KVA X 0.8 = 2.24 KW
generators like to be used between 60- 80% of there total capacity, this will get them running at there design temperatures, it is ok to run them to there full capacity and in some cases you can overload them by about 10% for a short period of time,
a lightly loaded generator will wear out more quickly than a properly loaded one, as it will not reach its design temperatures, so buy a generator that suits your needs,
never use the throttle linkage to rev a generator when a load is connected, the engine speed is set to achieve 50Hz which means 50 cycles a second( the UK standard) people with a generator will notice as you increase the electrical load the engine will get louder (more fuel to achieve the same rpm under load) but the rpm will not increase,
make sure when you buy a generator it was built for the uk market (230v 50 Hz) only use appliances that are suited to your generator (230v 50Hz)
personally I would buy from screwfix or machine mart, at least you have some warranty, and you know it will comply with UK specification
hope this helps

Message Thread:

Cheapo generators by 'Booney' (29 Mar 2009 @ 20:25)

Re: Cheapo generators by 'ijsjs' (29 Mar 2009 @ 20:37)

Re: Cheapo generators by 'CompetitiveDad' (29 Mar 2009 @ 21:29)

Re: Cheapo generators by 'Booney' (31 Mar 2009 @ 21:39)

Re: Cheapo generators by 'MarkT' (29 Mar 2009 @ 21:32)

Re: Cheapo generators by 'RoadRat' (29 Mar 2009 @ 22:19)

Re: Cheapo generators by 'Booney' (29 Mar 2009 @ 23:04)

Hold on Road Rat! by 'itpro' (30 Mar 2009 @ 12:05)

Re: Mark T - Re: use of kettle by 'IvanGreenfield' (30 Mar 2009 @ 9:01)

Re: Mark T - Re: use of kettle by 'tkmkart' (30 Mar 2009 @ 9:40)

Re: Mark T - Re: use of kettle by 'Rickscott' (30 Mar 2009 @ 10:00)

Re: Mark T - Re: use of kettle by 'MarkT' (30 Mar 2009 @ 18:00)

Re: Cheapo generators by 'richydehav' (30 Mar 2009 @ 10:03)

Re: Cheapo generators by 'tkmkart' (30 Mar 2009 @ 12:13)

Re: Cheapo generators by 'NJB' (30 Mar 2009 @ 16:56)

Re: Cheapo generators by 'MarkT' (30 Mar 2009 @ 18:03)

Re: Cheapo generators by 'itpro' (30 Mar 2009 @ 18:22)

Re: Cheapo generators by 'gettingquicker' << You are here!

Re: Cheapo generators by 'gettingquicker' (30 Mar 2009 @ 23:29)

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