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Farm Building and Infrastructure
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Anyone any electrical knowledge?
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<blockquote data-quote="Tinman Steels Ltd" data-source="post: 569065" data-attributes="member: 2125"><p>Watts = amps x voltage so you are getting the same power but depending how you looked at it most appliances will only draw the power they need so they should draw a little less current to give the same power(watts) but it shouldn't make much difference in running costs, when testing appliances I normally megger them at 250v which doesn't do them any damage unless they have sensitive electronics in them but that is a very rare ( i have had customers who have assured me everything has been unplugged and meggered at 500v and appliances have still worked but that dose have a good chance of frying electronics ),yes higher power will cause lights to fail earlier but even 110v lamp will run on 240v not for long and very bright but I can't see how 250v would cause them to go much earlier, I think if memory serves it would be in the region of 10% earlier if filament type, but college was many moons ago and once exams are finished if I'm being honest the only calcs that really are done by most sparks are cable sizing for loads. It would be spikes that would cause most problems but this could be due to the transform but without any testing or figures this is just a possibility and down to the supply company ( disclaimer many days have passed and alcohol has been drunk since my college days )</p><p></p><p>Regards </p><p></p><p>James</p></blockquote><p></p>
[QUOTE="Tinman Steels Ltd, post: 569065, member: 2125"] Watts = amps x voltage so you are getting the same power but depending how you looked at it most appliances will only draw the power they need so they should draw a little less current to give the same power(watts) but it shouldn't make much difference in running costs, when testing appliances I normally megger them at 250v which doesn't do them any damage unless they have sensitive electronics in them but that is a very rare ( i have had customers who have assured me everything has been unplugged and meggered at 500v and appliances have still worked but that dose have a good chance of frying electronics ),yes higher power will cause lights to fail earlier but even 110v lamp will run on 240v not for long and very bright but I can't see how 250v would cause them to go much earlier, I think if memory serves it would be in the region of 10% earlier if filament type, but college was many moons ago and once exams are finished if I'm being honest the only calcs that really are done by most sparks are cable sizing for loads. It would be spikes that would cause most problems but this could be due to the transform but without any testing or figures this is just a possibility and down to the supply company ( disclaimer many days have passed and alcohol has been drunk since my college days ) Regards James [/QUOTE]
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Anyone any electrical knowledge?
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