factor

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  1. B

    Mains incomer grouping factor!

    Hi guys, I am designng at route for 5 flats & Landlords mains power supply! The property is 3 storys heigh and two incomers go off on each floor. Just wondered the distances I need to keep the cables apart going up the building. I have found in some literature from our mains power distributor...
  2. B

    cable temp factor for 70/90 degrees cable

    Hi, I'm in the process of trying to do a "monkey sheet" to enable my apprentices's to make correct cable size calculations. I'm happy about the use of the 1.2 factor used for 70 degree rated cable but I havent come across the 1.28 factor for 90 degree cable before. I would be most grateful if...
  3. M

    Difference between power factor correction and voltage regulation

    hi all, i'm actually confuse of the working principals of a STATCOM between power factor correction and voltage regulation.For PF correction,STATCOM supplies reactive power to minimize current drawn from the generator from an inductive load. In a DSTATCOM, reactive power is also injected to...
    • makeitwork
    • Thread
    • aus between difference factor power regulation voltage volts
    • Replies: 0
    • Forum: Australia
  4. E

    Volt Drop Calculation

    Appendix 4 in the regs has tables for Current-Carrying Capacity and Voltage drop. I've used these many times with no problems, but i've never had to calculate a cable higher than 25mm. when you look at cables 25mm and higher you see three values for mV/A/m (r, x, & z). Using the calulation...
  5. F

    Low power factor

    hi i'm fabio from italy. i'm searching the costs (penalties) of reactive power request in europe. someone can indicate me some link about reactive power english methodology? thanks
    • fabio23x
    • Thread
    • aus factor low power power
    • Replies: 3
    • Forum: Australia
  6. W

    Power factor capacitors

    Hi guys. Anyone know of a good web site or formula to work out what Kvar value is required for a 3 phase 4pole inductive motors? Thanks :)
    • welshmadness
    • Thread
    • canada capacitors factor power
    • Replies: 9
    • Forum: Canada
  7. B

    shower cable

    9kw shower to run on a 6.0 swa clipped direct for 30m but for 2 metres it goes through a boiler rm so what is the min amount you guys whould take including a temparature factor in calculation although these results are addiquite i will be running 10.0mm but am i being over the top any thoughts
  8. S

    grouping factors in metal trunking

    hi everyone got a querry regarding above. through approx 1.5m om the installation all the main cables run through a 4" x 4" metal trunkning, was wondering if anynone is knowledgable at working the grouping factors out?? got a lot of pvc/pvc running though cheeers
    • sparkyork
    • Thread
    • anything cables circuits factor factors metal something trunking
    • Replies: 13
    • Forum: Industrial Electricians' Talk

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