kva

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  1. W

    Help! Max Demand KvA

    Hi, I am in the process of having a new connection installed, At the moment ours is a shared supply. I have calculated the load to be @ 300a overall. I would like to know what size supply I should be asking the DNO for. 3 phase or single phase, the latter would mean extra work though. Your...
    • wmb1973
    • Thread
    • demand help! kva max
    • Replies: 5
    • Forum: Australia
  2. 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:
    • mateen
    • Thread
    • calculator formula generator kva phase power select size
    • Replies: 4
    • Forum: Australia
  3. S

    125 kVA Consumer Unit

    Hi Gents Client requirement is for 125 kVA Distribution Board, What does it mean ? Thanks
    • Sly
    • Thread
    • consumer consumer unit kva unit
    • Replies: 12
    • Forum: Australia
  4. N

    New mains istallation kVA / kW

    Hello Sparkys.. I am filling out a Small Service connection for UK Power Networks for a replacment service as I am building a new house next year.. The story is this... The curent power cable is dangled across the street from a pole, and is feeding a 2 bedroom bungalow. This is going to be...
    • normbeef
    • Thread
    • cable house kva mains new power
    • Replies: 3
    • Forum: Australia
  5. W

    KVA to KW Calculation - help please

    Morning fellas, Been getting some rather high meter readings lately so trying to compile a machinery list so i have a good idea of what is consuming what and where, and how much our bills should really be looking like each month etc. Pretty standard maintenance stuff. However im having...
    • wade88
    • Thread
    • calculation kva please
    • Replies: 26
    • Forum: Australia
  6. D

    Help please with 3 phase supply into building Kva requirements

    Hi i am struggling with working out a 3 phase supply into a domestic building, the customer dosent want an oil boiler for heating, the electrical demands will be single phase 40A electric heating boiler (not heat pump) also instant water heater 40A plus electric shower 40A all instantaneous so...
    • dogwind
    • Thread
    • 3 phase building kva phase please requirements supply
    • Replies: 4
    • Forum: Australia
  7. N

    KVA, KWH...?????? Help

    Can anyone shine a light on this for me... I need to find out what KVA is being used in our factory (boss has asked) How do I work this out?
  8. S

    10 kva diesel generator and testing

    Got a 10kva diesel genny on site feeding a 400/110 TX. I have run a SWA from the gen out to the TX, however installing an earth rod for the gen is difficult as it is sited on a concrete platform above ground level. However i have used a steel stantion sited about 30 metres away as the earth...
  9. P

    What KVA for a Motor Garage

    My Client has been asked by the electrical supplier (Eon) how much KVA he will need as the are changing the single phase meter to 3-phase as he is having about 2 ramps installed. How much do you think? Cheers
  10. N

    Calculating 3 phase kva

    My brains switched off chaps and i can remember how to calculate 3 phase kva i know its V x I x 1.73 / 1000 so is it 230 or 400 x I x 1.73 / 1000 fee a right numpty cant belive ive forgotten it not done 3 phase calcs for a while please enlighten me to the correct figures then ill give my...
    • nickblake
    • Thread
    • 3 phase calculate calculating generator kva phase verdana
    • Replies: 4
    • Forum: Electrician Forum
  11. T

    kva of supply

    can anybody confirm my calculations of kva required for supply 415v X 200A X 1.732 / 1000 = 143.76 kva ?
  12. L

    What effect pere fase can i take out from a 27 kva generator?

    HI I'm about to buy a generator but i don't understand how to read the specifications on it. The generator is marked with 27 kva, 41 Amps, its a 3 fase generator. Power is 230/400V. The load i need to attach to the genset is: 1. one 3fase "active" UPS on 15 kva (Riello rt15) 2. one...
  13. H

    Can someone explain what KVA is......

    .... and its relationship to volts/amps. If you know the wattage of an installation how do you work out the kva? Cheers in advance.
  14. S

    working out Kva etc!

    Hi guys n gals, wondering if anyone knows the best method of working something out: if ive got a 3 phase supply, rated at 45Kva then how many amps do i have in total and per phase? does square root of 3 come into anywhere? also be handy to have the above solved and equated into KW's as...
  15. N

    KW and KVA?

    Hello I have a report I need to do, I have added up the amount of Watts that pile of electrical devices (computer equipment) i have and it adds up to 6.2KW. If I want to convert this to KVA is it a straight swap, i.e. 6.2 KVA? Also, i want to calculate how much it will cost to run, do I need...

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