bogue
The two previous replies are correct, just not enought details. Also you did not give detailes.
If you want current for a power supply,
do not do rms or pf.
Use instance PK*Time and RMS numbers (source / load at peak curent).
Comment; the standerd for power supplies (PF)is...
start
The FCC and power co have decited that
cap loads are bad.
In cap loads current peak leads voltage peak.
In inductive loads current peak lags voltage peak.
Forty years ago loads were resistive (0 pf) or inductive
(-pf, or laging.
With computers, audio, and so forth, loads have become...
axd38
mc5w
Is your answer related to something, or did you get
mixed up.
Back to the original questiom.
If axd38 has the wrong answer, the reason must be
pointed out. If the only person that can do this is
"his", the question still must be asked.
The tables "numbers" not an issue,
the...
thinker cuky2000
To me nominal means "the expected limited conditions
for operation, as well as the expected results from
other conditions".
In this case the spec is 7.5% and was recived a 5.75%
item.
The point I was trying to make, Is if the operating
conditions are the same then a better...
itsmoked
Sorry in strict terms you are correct.
The military lumps all types together.
Than seperates them as conducted and radation.
Fcc is the same?
The point is for power (AC IN) by the time you
get to the input mains, it "should" be just conduction,
which makes it a form of voltage...
axd38 Sorry
But it is not about an error in concept but about a
personal decision.
All the other answers did was give advice on some of the mabeys that should have been considerted.
I should not have gone into the personal aspect
but that is the best way to relate.
again sorry
steven7
EMI stands for electromotive interference.
There are 4 basic types defined
1) conductive "on a wire"
2) conductive susceptable "subject to on a wire"
3) radiated? "energy in the air"
4) radiated sus "subject to energy in the air."
Each indepent item has its specs...
thinker
Spec are done at a "nominal temperature,and connection
resistance, as well as load current, input volts, ect".
All must be understood, to make a good evaluation.
vtpower cuky2000 and all others.
I think we are saying the same thing.
Your application is different from mine, but the results
are the same.
Having limited background in AC power distrubition
systems. I gave an example of what I know.
I think what you are saying is different transformer...
axd38 mc5w any one else
Your question is should you confront your sup.
With being a small shop (60 people ) yes.
I have been terminated and promoted for the same thing.
Being eng mag, I try to make it easy to all to voice expresions.
In the MILITARY business there is not much room for error...
vtpower cuky2000 jgrist davidbeach mc5w jghrist electricpete
I think I got everyone.
My background is in power supply design.
If I do not know what is coming in, I have no chance of
control over the output. Been there done that.
Electricpete (first answer)is correct.
Did not give a...
mc5w
I can only repeat what was given at the time.
Spoke to a person later, same same.
The last GE book I have is 1950 and is a quick ref.
In about 1972 I tried to get 3Phase "y" installed, at 2000A.
Houston lighting and power would only install "delta".
We had existing 2000amps 3 phase (to...
VTPOWER
MANY COMMENTS no answers.
Some gave you good ref.
CVT stands for constant volage.
In general it is a concept of resonance
transformers. Basic form has three
windings of:
WINDING:
1) input (the line input)
2) resonance winding (a winding
that...
axd38
To get a concept.
In the US 60 years ago (about, no AC), I think 40%
was the num for homes.
Around 1965 to 1975 a decision was made
(no more "Y"), after ac.
Many things went into the decissions.
Center tap the 220 delta to get 115.
Rotation of the phases is easy at 2500, 3 wire...
Teebet
As indicated in some of the above answers,
"how much confusion do you want".
If your noise is not line frequency, or a multiple of it
than it must be a internal oscillation, "most are line fc, or very removed".
EXAMPLE
I have a less than 1 year old Dell, I get 30 db at best...
