Deker wrote:Hmm, just done a quicky calc.
6 minute charge at 380v at 100 amps only = 3,800 watts.
The charger must be MASSIVE.
Gives one the feeling that a 235v 13 amp household plug wouldn't do much (In 6 mins)
Now where did I put that mega horsepower single to 3 phase converter
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Deker
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If it is really charging at 100A @ 380v then the charger is going to pumping out 38KW - that is a charger with attitude.
If only maintained for 6 minutes though, it would give (ignoring inefficiency losses) around 3.8KWH worth of power.
Now if it was trying to charge a 100AH battery at 380v to the brim in 6 minutes, then we are looking at a battery charger which needs coupling up to a small substation as (again ignoring inefficiencies), 38 KWH worth of power flowing in 6 minutes, means it needs to be flowing at 380KW to charge the batteries up in 6 mins. (more like 500KVA if you DO factor in charger losses and battery losses).
Be great if there were batteries around which could (affordably) provide them sort of durability - as special "fuel stations" near susbstations could indeed offer that sort of power - though I dread the think of the cost of the connector
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6 Minutes is as fast as filling a big tank from a slow fuel pump.
I reckon a 30 minute charge bay would be enough for many people. The shopping superstores ought to consider it. Park up, hook up, insert payment card and then wander off to do the shopping. Spend more than £50 (for example) and instead of collecting points, your recharge is free.
Sorry, I'm waffling - and on an old thread too
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Mark