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calculator

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  1. S

    PV Calculator

    Hi Guys, I'm thoroughly disappointed in SAP as my software assumes the 3300kW PA usage (via OFGEM). It's even worse now the tariff has come down so much. The Energy Bill savings are so much more important now. Most of the customers I have been seeing lately are using a LOT more than the 3300...
  2. B

    cable ratings calculator

    Hi all just a quick query, does any one know if a cable ratings calculator for the PC exists something that allows me to quickly check cable ratings and fuse sizes on my laptop so I don't have to keep pulling out the BGB all I need is a simple drop down menu that allows me to check sizes quickly...
  3. S

    Free performance Calculator

    I know this has been done to death but for those who cannot afford PVsol, what's the next best (free) alternative? Cheers, Sam
  4. S

    DC volt drop

    Anyone know of a good online volt drop calculator. We need to work out cable sizing on long underground DC runs of up to 100m thanks
  5. M

    How can i select my Generator size and as well as its kVA.............?

    HI, all let say.... i have connected load 20,000W = 20kW... I calculate ampere from this formula p=vi(1.732)(0.8) by the help of this formula i got my breaker size...... but i confuse that how would i get my generator size.......? plz help me about that.... thanks advance.......:tounge_smile:
  6. R

    Solar PV calculator and quoting spreadsheet

    www.silverstonesolar.co.uk/SS9999-ProjectDetailsV2-CustomerName.xls
  7. R

    Roof plane factor calculator

    Just though this might be useful to you when you do site surveys. I've got it taped to my clipboard. I have a tape measure rather than a Leica Disto D8 - I want one but £717 is a bit steep for a tape measure! Measure the width of gable end of a building, divide the answer by 2 and multiply it...
  8. B

    payback calculator

    hi all anybody got an update payback calculator for domestic and commercial, pv sol is such a headache to set up i just want something simple like the ecoskies one that was touted about but is now out of date any help or ideas pm me cheers
  9. P

    graphing calculator programmable calculator

    TI-83 PlusTexas InstrumentsGraphing CalculatorIn good condition with Manual Specifications and features:Calculator TI-83™ Plus‚ calculators secondary school by Texas Instruments - UK and Ireland
  10. D

    DC Cable Size Calculator

    Dear all, I would like to ask if there is any cable size calculator for DC cables? we are working on a big project and we should calculate all the main dc cables from string boxes to the inverters taking into account the different lengths and temperatures. If someone has got a cable size...
  11. P

    Self Assesement Software

    Does anyone one use or can recommend any Tax calculation software? Been doing my self assesement online (for the first time) and I've come to realise its not that straight forward, mostly due to the way HMRC word things. Just wondering if there is any software to make this process easier...
  12. P

    graphing calculator texas ti 83 plus

    i bought this for a course i was on the year before last and it cost a small fortune. think it was around the ton mark. i am asking £35 including insured delivery. all the manuals are with it. ti 83 plus
  13. S

    is the encraft sap calculator, accurate enough to use or not

    i have used the sma software to design a 22 bp4180t 3.96kw system, it say that it will produce a yearly yield approx 3697 kwh which is 92425 kwh over 25 years. but the encraft website says that it would produces 3044kwh a year approx which is 76100kwh over 25 years which should i use when...
  14. S

    17th Edition Calculator

    Hi There People Does anybody know of the website that will give you on line tuition in electrical calculations and they specify the use of a Casio fx - 83MS . Regards scubalec
  15. A

    iPhone Apps

    HI, I have an iphone and want to make the most out of it as seen as am paying an arm and a leg. With over 90,000 apps out there, some must be aimed at electricians. Anyone know of any handy apps that will come in useful at work or college?

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