34.5KV Line loss

[cinch08]

What is the easiest way to figure your line loss on a 34.5kv overhead powerline. I had someone ask me this question, they are trying to figure out what size of wire to use on a wind turbine project.

 

[bob]

What is the easiest way to figure your line loss on a 34.5kv overhead powerline. I had someone ask me this question, they are trying to figure out what size of wire to use on a wind turbine project.

Do you want line loss or voltage drop?

 

[mivey]

What is the easiest way to figure your line loss on a 34.5kv overhead powerline. I had someone ask me this question, they are trying to figure out what size of wire to use on a wind turbine project.

For power systems:
kWh loss/yr/mile=
(peak kW)^2 * (Resistance per phase per mile) * (Loss Factor) * 8760
divided by
kV^2 * (power factor)^2 * (Number of phases) * 1000

and where (Loss Factor) = 0.84 * (Load Factor) + 0.16 * (Load Factor)

 

[Mayimbe]

This will be the way I'll do it:

1) choose a size of wire
2) Get the R (ohms/miles) value
3) Get the current that will flow on that line
4) then:

Ploss=I^2*R