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Current/Load management system - Any advice please!
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<blockquote data-quote="rjp44" data-source="post: 550372" data-attributes="member: 36221"><p>Another way to look at this may be to look at the total daily charging requirement across all 19 garages at a point in the future when everyone is using an EV. This is presumably within the lifetime of whatever solution, certainly cabling, you put in now. Look at the likely average daily mileage of each car. This will be very different for e.g. retirement flats (low) vs urban professionals (low) vs small town families (high) then divide by 3 to get the number of kWh needed each day. Most cars are in the 300wh/mile ballpark - may get better, may get worse if ESUVs take hold. Most people will want to charge overnight so divide that by 12 (say 7pm-7am) to get the average overnight hourly load.</p><p>I suspect utilising that 3ph supply, and cabling for at least 16A average/garage will start to look essential.</p></blockquote><p></p>
[QUOTE="rjp44, post: 550372, member: 36221"] Another way to look at this may be to look at the total daily charging requirement across all 19 garages at a point in the future when everyone is using an EV. This is presumably within the lifetime of whatever solution, certainly cabling, you put in now. Look at the likely average daily mileage of each car. This will be very different for e.g. retirement flats (low) vs urban professionals (low) vs small town families (high) then divide by 3 to get the number of kWh needed each day. Most cars are in the 300wh/mile ballpark - may get better, may get worse if ESUVs take hold. Most people will want to charge overnight so divide that by 12 (say 7pm-7am) to get the average overnight hourly load. I suspect utilising that 3ph supply, and cabling for at least 16A average/garage will start to look essential. [/QUOTE]
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Current/Load management system - Any advice please!
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