New Zealand Volt drop cont.

[telectrix]

liken it to a bus load of 60 passengers. bus drops off 10 at the first load. so it's now got 50. at the 2nd load it drops off 5 more. so now its lost another 5 on top of the 10 already lost and now has 45. . and so on.

 

[Monkeyblaine]

That is exactly what I'm saying In my earlier post. With a circuit with say 5 joints down its length with lights coming off joints it's dropping volts at every joint. So the VD will be at its worse at the last joint. It's what I said and outspoken said that's not right???

 

[Outspoken]

That is exactly what I'm saying In my earlier post. With a circuit with say 5 joints down its length with lights coming off joints it's dropping volts at every joint. So the VD will be at its worse at the last joint. It's what I said and outspoken said that's not right???

Because it is not right!!

 

[Monkeyblaine]

I give up. How is That any different to the bus and passenger thing?

 

[telectrix]

the lowest voltage will befoundat the kast load, but the biggest vd is on the 1st section, as that section from the ocpd will be the only part of the circuit carrying the full load.

 

[Monkeyblaine]

Ok. I think we're on the same page. So max VD is from CU to first joint/light/fitting. Still hard to grasp as last light will have dropped more volts but If that's the way you have to do it.

 

[telectrix]

no. max. vd for the circuit is from ocpd to last load. the biggest vd is from ocpd to 1st load.

 

[Monkeyblaine]

Haha ok so do you calculate by adding all loads and assume they are going through entire length of cable used in circuit. Rather than working out legs separately with deducting their load as its lost along lengths?

 

[Outspoken]

Monkey, Look at this FFS..



The maximum voltage dropped it at the START of the circuit because this has the HIGHEST load placed upon it.

 

[Monkeyblaine]

There's conflicting information going on here. Outspoken info understand what your saying and just because at the start of the circuit is the max VD as it has the most load upon it. Doesn't mean it's not going to drop more by the time it reaches furthest point and got operation of things working, that's what im interested in. So an accumulation of volts dropped by the time it reaches last point. Which is surely what the regs require us to obtain.