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Hi Shaun,
Okay, well, I am a little stumped at your description. You say under the
"secondary coil...." and then begin talking about "primary" values in
the second paragraph. So I am going to assume you meant to say "primary
coil" in the first paragraph.
Height 1 is the distance from the end of the primary of Radius 1 to the
ground plane.
Height 2 is the distance from the end of the primary of Radius 2 to the
ground plane.
Now, you didn't mention the type of primary you are working on (flat,
helical, conical, etc.). So let me just throw down a few examples of
each and maybe from those you can figure it out. BTW, if you click on
the heading in each section (SECONDARY, PRIMARY, etc.) it will open up a
help file that has graphics to help explain how the inputs should be
inserted.
Some examples:
1) Flat coil (Archimedes Spiral): Radius 1 = 4, Radius 2 = 8, Height 1
= 20, Height 2 = 20 (note height 1 and 2 are the same at 20 inches above
the ground plane).
2) Helical coil: Radius 1 = 8, Radius 2 = 8, Height 1 = 20, Height 2 =
30 (note the difference between height 1 and 2 is 10 inches and Radius 1
and 2 are the same. So a coil 16 inch diameter that is 10 inches tall).
3) Conical coil: Radius 1 = 4, Radius 2 = 8, Height 1 = 30, Height 2 =
20 (this coil is a cone where the smaller radius of the coil is at 30
inches and the larger radius is at 20 inches).
4) Inverted Conical coil: Radius 1 = 4, Radius 2 = 8, Height 1 = 20,
Height 2 = 30 (this is an inverted cone where the smaller radius is at
20 inches and the larger radius is at 30 inches).
Remember Height 1 and Radius 1 are always together for one end of the
coil and Height 2 and Radius 2 are the other end of the coil regardless
of it's shape. You might think of in terms of each end of the coil has
an X,Y value (width and height).
Anyway, maybe those examples will help explain how the inputs work. Try
putting those into Javatc, Calculate, then go look at the graphic.
Take care,
Bart
On 12/30/2020 9:48 AM, shaun wrote:
I can't seem to understand this.
Javatc (great program) Under secondary coil you have R1,R2 and then Height 1
and Height 2 and so on
On Height 1 which I take to be the distance from the primary to ground
plane, if say I am going to have my primary at about 10 inches above ground
and put that number in for height 1, it messes up the graphic picture of the
coil secondary. So to get the picture correct I have to move the primary
higher above ground and add that too Height2 then the picture is correct.
Seems that there is a built in value for Height1. So does this mean that my
primary should be higher off ground. Thanks for any feedback
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