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calculations

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pfc calculations

hi guys doing calculations ov pfc at the consumer unit i have a ze=0.09 getting the figure ov 24ka doin 230/2400=0.09 is this correct many thanks:cool:
- wire the world
- Thread
- Oct 11, 2009
- calculations electricians' talk pfc
- Replies: 19
- Forum: Periodic Inspection Reporting & Certification
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ELECSA Certification Scheme Design calculations and elecsa assemssment

Hi All, I have my Elecsa assessment tomorow at 9am and was just looking through the requirements and it mentions about Design record keeping in the guide to conformances. Will the inspector need to see design calculations for my install and what is the best way of presenting this. Any help...
- sivoodoo
- Thread
- Aug 25, 2009
- assessment calculations certification certsure design elecsa electricians' talk guide install maybe scheme through
- Replies: 2
- Forum: Certification NICEIC, NAPIT, Stroma, BECSA Forum
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Calculations and Formula

Below is a list of links that i have looked up to cover popular formula and enter the data and retrieve the answer type sites, please vote your favorites. This data could be used to set up another section if possible. 1) http://www.ifigure.com/engineer/electric/electric.htm 2)...
- Andy Smith
- Thread
- May 17, 2009
- aus calculations electricians' talk formula
- Replies: 2
- Forum: Australia
K
3 ph cable calculations

Hi all, Can anyone help me as to how to calculate the maximum demand on a 3 ph supply for cable sizing? Can i just quickly estimate the demand by the breakers and multiply by a g factor i got from the IET design guide for sparks. eg 250 amps counting the breakers x 0.7 factor for mixed...
- kevinreilly
- Thread
- Mar 10, 2009
- cable cable calculations calculations canada electricians' talk
- Replies: 6
- Forum: Electrician Talk | All Countries
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r1 and r2 temperature calculations

Hi all just been going through max zs etc and all the temperature changes if i have got this right when you measure for R1 and R2 you take the temperature at the time. Apply a rating factor to get it ot 20 degrees and then when calculating zs or what ever to get to 70 degrees multiply it...
- maddfridge
- Thread
- Nov 30, 2008
- calculations electricians' talk temperature
- Replies: 4
- Forum: Periodic Inspection Reporting & Certification

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