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  1. Replies
    103$$
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    I can answer and it is very succinct. They don't.

    I can answer and it is very succinct. They don't.
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    17$$
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    I agree. PFC and soft starters are poor...

    I agree. PFC and soft starters are poor bedfellows. The fast switching edges....
    But we always had the PFC on a separate contactor - if you don't disconnect it some motors self excite.


    I agree...
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    103$$
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    There is no more data - kW is a measure of...

    There is no more data - kW is a measure of power, kWh is energy. EOS.
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    103$$
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    I do. This was the previous car. Same make and...

    I do.

    This was the previous car. Same make and model. Same engine, same six speed manual box.

    http://i36.photobucket.com/albums/e39/Besoeker/Maybatch13005_zpsa29bb8bf.jpg

    And not a one off....
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    103$$
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    There are none so blind as those who will not see.

    There are none so blind as those who will not see.
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    14$$
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    I don't know about Germany but, being part of the...

    I don't know about Germany but, being part of the EU I would have thought that similar specs would apply.

    All of the specicifications I have seen for quite a few years now and most are customer...
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    103$$
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    Or UK!

    Or UK!
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    103$$
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    Assume you mean pole mounted transformers? Have...

    Assume you mean pole mounted transformers?
    Have very few of those here.
    We, along with our street neighbours, get our juice from an 11kV to 400V transformer. It's about 1500kVA as I recall....
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    103$$
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    I've touched on this before in terms of numbers....

    I've touched on this before in terms of numbers.
    The Nissan Leaf, perhaps the most popular EV, has a range that would do me about two days per full charge. Others might get three based on average UK...
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    103$$
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    Yes and I covered that - I think it was in...

    Yes and I covered that - I think it was in another electrical forum.
    But, if EVs become the predominant form of transport, a whole street of them charging at the same time would seriously burden...
  11. Would people really do that? I've known it to...

    Would people really do that? I've known it to happen.
    I think a better way to put it might be the current in each phase. Ultimately, it's the current carrying capacity of the conductors that limits...
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    103$$
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    Of course I am! My sweet southern belle tells me...

    Of course I am!
    My sweet southern belle tells me that on a daily basis.
    I'm sure my big hairy handsome dog might have a different POV when I take him out on a dark stormy rainy night to let him...
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    103$$
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    No easy or cheap fixes and EVs will further...

    No easy or cheap fixes and EVs will further stress it.
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    103$$
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    Don't confuse rotational speed with power.

    Don't confuse rotational speed with power.[/quote]
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    42$$
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    Can you download the data to a PC?

    Can you download the data to a PC?
  16. Replies
    103$$
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    A couple of points. The EV uses "fuel" that is...

    A couple of points.
    The EV uses "fuel" that is produced and consumed more efficiently.
    The EV (and hybrids) recover energy during deceleration. Regenerative braking is the term that would be used...
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    103$$
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    But it will need an awful lot of money to upgrade...

    But it will need an awful lot of money to upgrade the entire electrical infrastructure if/when EVs become the dominant vehicle technology.

    I don't know about the USA but the UK grid is just about...
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    103$$
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    The average of Urban and Extra Urban is one way....

    The average of Urban and Extra Urban is one way.


    I routinely get better or much better than the published figure.
    My "grocery getter" is fully loaded as motoring parlance goes here. All the...
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    103$$
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    I agree. And not just the grid. It's the whole...

    I agree. And not just the grid. It's the whole electrical infrastructure. Generation, transmission, distribution, and installed capacity. The whole nine yards.
    The current Nissan Leaf would have got...
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    103$$
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    2,617

    I think that it is ridiculous to give the range...

    I think that it is ridiculous to give the range of a sports car based on driving at a constant 55mph.
  21. Or the neutral in which case it wouldn't be in B...

    Or the neutral in which case it wouldn't be in B or C.
  22. Replies
    103$$
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    I made no comparison the the Tesla power. That...

    I made no comparison the the Tesla power. That would be a bit silly IMHO. But who would drive a car that can go from 0-60 in under four seconds at a constant 55 mph?

    Anyway, this a photograph of...
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    103$$
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    The Tesla was first marketed as a roadster based...

    The Tesla was first marketed as a roadster based on a (British) Lotus - the Elise I think it was. Acceleration time to 60mph was claimed to be under four seconds. Definitely a sports car. Tesla then...
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    103$$
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    Even at 240V and 50A it is still going to take...

    Even at 240V and 50A it is still going to take seven hours excluding losses to charge that big battery.

    And you then get a claimed range of 320 miles assuming a constant speed of 55mph. From a...
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    42$$
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    One of the best papers I have read on harmonics...

    One of the best papers I have read on harmonics was by a Professor Reed and it was written in the 1930s. It mainly referenced mercury arc rectifiers but the figures are relevant to solid state...
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