Neutral Question

[mbrooke]

because the net charge/time is 0

Would symmetry also fit this description?

we are discussing in theory how the name 'neutral' came about

I know- but I disagree with a few aspects coming from a theoretical perspective. That is not deny how it actually came about.

 

[mivey]

the object is the network
and the reference is earth

You spoke earlier as if the neutral was its own object with a balance of positive and negative charges.

 

[Ingenieur]

You spoke earlier as if the neutral was its own object with a balance of positive and negative charges.

no I didn't
we are discussing an electrical network/terminology
I said the net charge was 0 sum(currents or q/t) = 0

lol
http://forums.mikeholt.com/showthread.php?t=173844


alot of geeks sitting at home on NYE lol

 

[mivey]

and in a 3 phase system how many nano meters from the center of a wye connection? lol
and how much potential rise due to charge imbalance? nano volts?

For a 208/120 system, the neutral point could be 60 volts from the central wye connection. Think about it.

 

[mivey]

no I didn't
we are discussing an electrical network/terminology
I said the net charge was 0 sum(currents or q/t) = 0

lol
http://forums.mikeholt.com/showthread.php?t=173844


alot of geeks sitting at home on NYE lol

I recalled your post saying something about protons and electrons being equal or something like that.

 

[Ingenieur]

For a 208/120 system, the neutral point could be 60 volts from the central wye connection. Think about it.

not if X0 grounded (w/o imped) and phases are not

 

[mivey]

Would symmetry also fit this description?

Symmetrical if you mean equilibrium point.

 

[Ingenieur]

I recalled your post saying something about protons and electrons being equal or something like that.

????

 

[jumper]

alot of geeks sitting at home on NYE lol

Hey, I resemble that remark.

 

[Ingenieur]

Hey, I resemble that remark.

you ain't alone

got all the crazy out of my system years ago
sitting here with my lovely wife and 2 old mutts

 

[mivey]

Hey, I resemble that remark.

Me too! I guess I should go brave the cold and shoot some bottle-rockets or something. Brrrrr!

 

[Ingenieur]

Me too! I guess I should go brave the cold and shoot some bottle-rockets or something. Brrrrr!

freakin' 10 F here

down to 3 by 7 AM

 

[mivey]

freakin' 10 F here

Ouch! I don't think I could do that every year! I like it down to about mid 50's then the golf bag stays in the house till it warms up. I have played in a light sleet for about 3 holes then I had enough.

I can slow down when it hits over 100 and do ok but I can't speed up enough to compensate when it is cold.

 

[jumper]

freakin' 10 F here

down to 3 by 7 AM

55F currently

Low of 46F tonight.

 

[wwhitney]

Always do- yes- the second one. Current can not flow without voltage.

Except in a superconductor.

Cheers, Wayne

 

[mivey]

it is fact, the neut in theory has 0 potential

Now that is indeed a fact when the neutral is the reference point.

But it has nothing to do with the matter inside the neutral and if it has excess positive or negative charges.

Perhaps you are mixing the two concepts of charge carriers and potentials.

Suppose you make L1 the reference? Now think about what that means for N and L2 in a single-phase system. Actual charges residing in parts of a system do not necessarily define the voltage of those parts but their relationships to the other parts does define their voltage.

 

[mivey]

but what can't balance will travel through the neutral conductor and then back to the winding it originated from.

Yes.

 

[mivey]

not if X0 grounded (w/o imped) and phases are not

Kind of the point. I was speaking of the neutral point shift with unbalance.

With a balanced load, the equilibrium point and X0 are the same. Lift the neutral wire from X0 and it will stay at the same voltage as X0.

With an unbalanced load, say two 120 volt loads, lift the neutral wire from X0 and the neutral point will shift to half way between X1 and X2 which is 60 volts from X0.

 

[mivey]

Thanks.

You are welcome. I know you are a sharp individual and have noticed over the years you like to learn as well as teach. Not all here enjoy the geeky engineering stuff but I noticed you are a frequent flyer.

 

[mivey]

I recalled your post saying something about protons and electrons being equal or something like that.

????

As in these posts:

A neutral still has a charge- otherwise you would not get current flow or 120 volts.

you have negative charge (excess electrons) or absence of electrons, holes or net positive protons
or no net charge, balanced or 'neutral', ie, protons=electrons natural state

There are two types of electric charges:*positive*and*negative*(commonly carried by*protons*and*electrons*respectively). Like charges repel and unlike attract. An object with an absence of net charge is referred to as*neutral.