factor

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  1. K

    Generator shutdown

    Hi Folks! Wanna ask some help. I have a KOMATSU Generator with capacity of 350KVA, 220V, 3phase. When I was recording the data from a HOIKI power analyzer, I noticed that sometimes the current reading on the GROUND line reaches to 40Amperes. What could be the cause of that measurement? Before I...
    • keynotez
    • Thread
    • aus current factor generator neutral
    • Replies: 12
    • Forum: Australia
  2. 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...
  3. J

    Geogrpahic Irradience Factor

    Morning Ive been tasked with working with our web developer to generate our own Feed in Tarrif calculator on our website but have a few questions on the calculations we need to use. Im using the SAP figures (2009) from BRE and the equation 0.8 x kWp x S x Zpv and that is all simple enough to...
  4. S

    Ring Final Circuits & Correction Factors

    Something I've wondered about for a while... If you had both legs of a RFC, in say T&E or singles, running in the same conduit, so basically touching, would you need to apply the appropriate correction factor for grouping?
    • Silly Sausage
    • Thread
    • aus circuit circuits conduit factor factors final ring ring final
    • Replies: 16
    • Forum: Australia
  5. K

    Full load versus demand factor result

    Hi Engineers, just want to clarify something. I have a computation of Total Full Load Current of 195 Amperes. My client gives me a demand factor of 0.70, multiplied to my Full Load Current 195 Amperes results to 136.5 Amperes. My decision is to use a 200 Amperes Main Breaker, am I right with...
    • keynotez
    • Thread
    • aus demand factor load result
    • Replies: 16
    • Forum: Australia
  6. D

    Sizing Factor

    Could someone please explain why the sizing factor is changing when you try to design a system using softwares (such as PVSOL)? what factors the sizing factor depends on? Thanks.
  7. S

    350 KVA HV Transformer? 3 phase calculation confusion

    I need to buy a 3 phase HV transformer for an apartment block 1382 Amps is the total predicted single phase load after diversity. 1 Phase KW 1382 Amps 230 Volts ( I/V) 317.86 KW KW 1 Phase KW to KVA 317.86 KW 0.9 Power factor ( KW x P.F. = KVA) 353 KVA KVA Single Phase to 3...
    • santidreamer
    • Thread
    • 3 phase arial aus calculation confusion factor ff0000 kva phase transformer
    • Replies: 0
    • Forum: Australia
  8. 1capybara

    Diversity factor for calculating loads ???

    I am a Yank electrician, I cant find where in 16th or 17th edition you have the diversity factor for calculating loads. Example: 1. In one office or sleeping room I put 4 power sockets on a 32 amp ring circuit. We have 100 identical sleeping rooms or offices. What is the total load that we...
  9. I

    conduit factor

    hi have a query re conduit factors hope someone can help. OSG gives values for straight conduit runs between boxes, and values for conduit runs with one or two bends. for example if you have lets say a 1m run to a 20mm elbow box and then a 2m run to a socket outlet. would this run...
  10. T

    3 phase motors ratings

    Hello you clever motor men ive not had a lot to do with motors, what I would like to is if for example a 3 phase motor is quoted as 6kw (forgetting the kva and power factor for a mo) would it normally mean 6kw overall or 6kw per phase ?
    • trebor
    • Thread
    • 3 phase aus factor motor motors phase ratings
    • Replies: 7
    • Forum: Australia
  11. G

    Help! What is the correct SAP radiation factor to use for a 15 degree roof?

    OK. Need to get a quote to a customer tonight but hit a snag. The roof has a 15 degree pitch but table H2 doesn't have a radiation figure for anything less than 30 degrees (see below). What figure should I use? What do you use? Table H2 : Annual solar radiation, kWh/m² Tilt of Orientation of...
  12. 2

    space factor

    would 12x4mm single cables in a 25mm conduit exceed allowed sspace factor ?
  13. K

    powre factor correction

    hi..... power factor correction is applied to circuit having lagging power factors in order to reduce circuit ....... what ????? please help
  14. P

    Fancy a bet on wagner to win the x factor

    Vote Wagner - Vote Wagner X Factor - Vote Wagner To Win - the wife watches it so that means i do as well:o watched it tonight and i can honestly say i thought they were all rubbish. It would be a laugh if he won :D
  15. K

    Motor power factor correction

    Motor power factor correction I’ve been playing around in Excel again. If any one wants a copy of this sheet send me a PM. I’ll also send the updated FLC sheet as well. A quick note about the PF sheet, for multiple motors you’ll have to decide when during the start up of a group of drives the...
    • Knobhead
    • Thread
    • canada factor motor power
    • Replies: 22
    • Forum: Canada
  16. D

    Power factor question

    revising for my 301 on Thursday and Ive come stuck on a question, any ideas? A 30KW 3 phase delta connected motor has a power factor of 0.86 lagging. Calculate the line current. answer is 50.35a but i dont know how to get there thanks in advance :)
  17. B

    grouping factor

    hi all does any one know if there is a min length of cable which must be calculated for grouping Ie a drop of 500mm to a fuse board a drop of 1000mm ect and i read some were that these are for cables loaded 100% of the time so would these need calculating on a light bed room ring of...
  18. R

    Velocity Factor

    Hello I'm having a play with a TDR to find a fault on an underground cable. The piece of kit I'm using is the Megger TDR 2000/2. I need to put in the Velocity Factor of the cable to be tested which is a 240mm 4 Core Aluminum SWA, the length of run is about 120M. Anyone have any ideas where I...
    • roukel01
    • Thread
    • canada factor
    • Replies: 6
    • Forum: Canada
  19. B

    Krypton Factor Time!

    Ok, I have three accessories consisting of a lighting circuit, a ELV lighting circuit and a decorative garden water feature and a block of three switches, one for each item, but.. I have only two wires 'T & E' running down to the switches from the JB's linking the main circuit and accessories to...
    • bobodhi
    • Thread
    • aus factor time
    • Replies: 4
    • Forum: Australia
  20. C

    Circuits on phases

    Hi I was wondering if anyone could explain about circuits on phases, on sites that I work on we r given drawings with lighting circuits and power circuits and I get told we need to keep certain circuits on certain phases but dnt knw why, obv you have exp L1 L2 and L3
    • Cj24
    • Thread
    • aus circuit circuits factor loads neutral phases power
    • Replies: 9
    • Forum: Australia

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