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EV SWA Feed Cable Sizing - Oversizing Payback
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<blockquote data-quote="Taylorhouse" data-source="post: 543866" data-attributes="member: 36638"><p>Hi All. What are peoples thought on running ev-ultra swa 10mm instead of 6mm on a 15mtr run. I have been asked by the customer as the 10mm has a lower voltage drop per metre. Is there a payback advantage over time. My calculations are the voltage drop difference between 6mm and 10mm is 1.53volts. So that’s about 50 watts for 8hrs a night at 34p kWh is about 14p a night so over the year that’s around £50 a year. With the price difference between the cable only being around £20. That means in 6 months the 10mm cable could of paid for itself. Obviously the figures are all maxed out but is an interesting thought. Installing 10mm takes no more time really. All thought appreciated or are my maths crap.</p></blockquote><p></p>
[QUOTE="Taylorhouse, post: 543866, member: 36638"] Hi All. What are peoples thought on running ev-ultra swa 10mm instead of 6mm on a 15mtr run. I have been asked by the customer as the 10mm has a lower voltage drop per metre. Is there a payback advantage over time. My calculations are the voltage drop difference between 6mm and 10mm is 1.53volts. So that’s about 50 watts for 8hrs a night at 34p kWh is about 14p a night so over the year that’s around £50 a year. With the price difference between the cable only being around £20. That means in 6 months the 10mm cable could of paid for itself. Obviously the figures are all maxed out but is an interesting thought. Installing 10mm takes no more time really. All thought appreciated or are my maths crap. [/QUOTE]
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EV SWA Feed Cable Sizing - Oversizing Payback
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