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General Chat Thread, Solar Powered PCs & Servers in General; I've lost good sized orders to several schools in Wales who went with this Solar Ready + Windows MPS 2012 ...
  1. #31
    VeryPC_Colin_M's Avatar
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    I've lost good sized orders to several schools in Wales who went with this Solar Ready + Windows MPS 2012 shared computing solution. Perhaps I should give them a ring and see how they've been getting on with it?

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    nikaso's Avatar
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    Well I got a reply, they aren't launching properly until BETT so have limited literature but here is a shot of their overviewSolar Powered PCs & Servers-screen-shot-2013-11-28-14.14.03.png

    The chap said:

    "Ultimately our solutions will reduce your electricity bills for everything that is plugged into our system, from 50%-80% depending on technology. If you then go one step further and introduce Solar Energy to charge the system, your savings could be between 80%-100%."

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    nikaso's Avatar
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    Quote Originally Posted by VeryPC_Colin_M View Post
    I've lost good sized orders to several schools in Wales who went with this Solar Ready + Windows MPS 2012 shared computing solution. Perhaps I should give them a ring and see how they've been getting on with it?
    Might be worth doing, I remember them mentioning a school in Wales, If it can work there it might be credible!

  4. Thanks to nikaso from:

    VeryPC_Colin_M (28th November 2013)

  5. #34

    SYNACK's Avatar
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    So they read about datacentres and their use of dc power supplies so it cuts out the inefficiencies of stepping voltage in each and every psu . The solar thing is a nice extra tack on. Like the others I'd be interested in the actual internal spec, what cpu, ram etc it fits in the power envelope.

  6. #35


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    Quote Originally Posted by nikaso View Post
    The chap said:
    "Ultimately our solutions will reduce your electricity bills for everything that is plugged into our system, from 50%-80% depending on technology. If you then go one step further and introduce Solar Energy to charge the system, your savings could be between 80%-100%."
    Their basic claim seems to be that inverter efficiency is poor (60% - i.e. 40% loss is what they state). Inverter efficiency varies from 0 on a trickle to 90% or when operating around the maximum output. Going the other way, switched mode power supplies are generally pretty good, the best ones can achieve 95% efficiency. They will still have switched mode supplies for PC's since most boards need a variety of voltages, not the 12 volts they are likely to be dealing with in the solar/battery setup.

    They are a bit cheeky in claiming they have found a way to run things from DC directly (or at least that this is anything new). DC/DC power supplies have been around for years and used by folks to put small PC's in cars (or in my case I ran a Pico ITX a few hours a day from a 15W solar installation in my old shed).

    Sounds like a whole bunch of dubious over-inflated claims. So some fun to look forward to at BETT!

  7. #36

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    Quote Originally Posted by zag View Post

    Imagine not having to worry about power cuts!!
    Unless it's Grid Tied with no automated changeover, then the power goes out anyway.

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    Quote Originally Posted by pcstru View Post
    DC/DC power supplies have been around for years and used by folks to put small PC's in cars
    indeed, I did this! /geek/

  9. #38
    chazzy2501's Avatar
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    I remember looking into carputers a long time ago. a DC/AC/DC conversion was surprisingly efficient so much so that it wasn't worth the cost of going direct DC/DC. I think I saw it in and old systm episode.

  10. Thanks to chazzy2501 from:

    VeryPC_Colin_M (28th November 2013)

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