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Messages - Golddustpeak

Pages: [1]
1
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: June 23, 2019, 07:22:47 PM »
Yes I'm thinking that I will be supplying a full bridge with a maximum of 230Vac.

That's why I was wondering about adjusting the ODC to 300A.

I have not gone any further in design or construction due to forced trips away from home.

2
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: May 26, 2019, 09:28:54 PM »
I'm almost there.

Just a few more questions....

1) mmc:
CDE 940C20P15K-F FILM 0.15UF 10% 2KVDC AXIAL
   2 parallel strings of 4 in series for 0.075 µF
                         - or -
   can  I get by with 2 in series for 0.075 µF

2) I would like to use ass many off the shelf products as possible:
  Current Transformers - Magnetics CST206-1A for 1:100
  Gate Drive Transformers - GT04-111-063-B P0584NL 

3) Gate Drive Resistors - 15 ohms

4) OCD:
  Is 300A too high or should it be set into the high 200s


Thanks again

3
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: May 25, 2019, 05:36:46 PM »
Home for a day to run some numbers.

What do you all think about these numbers?
And is the system too much for my planned FGH60N60SMD full bridge system operated with 230Vac input?

J A V A T C version 13.4 - CONSOLIDATED OUTPUT
5/25/2019, 9:29:14 AM

Units = Inches
Ambient Temp = 68ºF

----------------------------------------------------
Secondary Coil Inputs:
----------------------------------------------------
Current Profile = G.PROFILE_LOADED
1.5 = Radius 1
1.5 = Radius 2
1 = Height 1
16 = Height 2
1450 = Turns
30 = Wire Awg

----------------------------------------------------
Primary Coil Inputs:
----------------------------------------------------
Round Primary Conductor
3 = Radius 1
5 = Radius 2
0 = Height 1
4 = Height 2
6.75 = Turns
0.375 = Wire Diameter
0 = Ribbon Width
0 = Ribbon Thickness
0.075 = Primary Cap (uF)
0 = Total Lead Length
0 = Lead Diameter

----------------------------------------------------
Secondary Coil Outputs:
----------------------------------------------------
222.49 [kHz] = Secondary Resonant Frequency
90 [deg °] = Angle of Secondary
15 [inch] = Length of Winding
96.7 [inch] = Turns Per Unit
0.00032 [inch] = Space Between Turns (edge to edge)
1138.8 [ft] = Length of Wire
5 [:1] = H/D Aspect Ratio
116.5578 [Ohms] = DC Resistance
40371 [Ohms] = Reactance at Resonance
0.35 [ lbs] = Weight of Wire
28.879 [mH] = Les-Effective Series Inductance
30.148 [mH] = Lee-Equivalent Energy Inductance
29.333 [mH] = Ldc-Low Frequency Inductance
17.719 [pF] = Ces-Effective Shunt Capacitance
16.973 [pF] = Cee-Equivalent Energy Capacitance
25.856 [pF] = Cdc-Low Frequency Capacitance
5.95 [mils] = Skin Depth
14.982 [pF] = Topload Effective Capacitance
190.8971 [Ohms] = Effective AC Resistance
211 [Q] = Quality Factor

----------------------------------------------------
Primary Coil Outputs:
----------------------------------------------------
194.4 [kHz] = Primary Resonant Frequency
12.63 [% high] = Percent Detuned
63 [deg °] = Angle of Primary
14.14 [ft] = Length of Wire
1.04 [mOhms] = DC Resistance
0.288 [inch] = Average spacing between turns (edge to edge)
1.596 [ inch] = Proximity between coils
0 [inch] = Recommended minimum proximity between coils
8.937 [µH] = Ldc-Low Frequency Inductance
0.05726 [µF] = Cap size needed with Primary L (reference)
0 [µH] = Lead Length Inductance
85.077 [µH] = Lm-Mutual Inductance
0.166 [k] = Coupling Coefficient
0.126 [k] = Recommended Coupling Coefficient
6.02 [half cycles] = Number of half cycles for energy transfer at K
15.23 [µs] = Time for total energy transfer

----------------------------------------------------
Top Load Inputs:
----------------------------------------------------
Toroid #1: minor=3.5, major=14.5, height=16, topload

4
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: May 18, 2019, 04:19:11 PM »
THANKS...........
Great stuff which will get me off in the correct direction.

I've been called away from home for an emergency and will be away for a few weeks.


As soon as I return I'll start re calculating and be back with more questions.

5
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: May 16, 2019, 01:50:44 PM »
Woops ........... Sorry

I'm thinking that I will be supplying the full bridge with a maximum of 230Vac.

6
Dual Resonant Solid State Tesla coils / Re: Is one of these good?
« on: May 15, 2019, 05:07:20 PM »
I’ve calculated  and re calculated my system (keeping the fo around 225KHz) and cannot make a flat primary with more than 3 or 4 turns work with larger caps than my original 0.05 uF.

It seems to me that by going to a vertical primary I can make 0.15 uF work.

How does this look now?

New Coil:
J A V A T C version 13.4 - CONSOLIDATED OUTPUT
5/15/2019, 8:46:08 AM

Units = Inches
Ambient Temp = 68ºF

----------------------------------------------------
Secondary Coil Inputs:
----------------------------------------------------
Current Profile = G.PROFILE_LOADED
1.5 = Radius 1
1.5 = Radius 2
1 = Height 1
16 = Height 2
1450 = Turns
30 = Wire Awg

----------------------------------------------------
Primary Coil Inputs:
----------------------------------------------------
Round Primary Conductor
2.5 = Radius 1
2.5 = Radius 2
1 = Height 1
5.934 = Height 2
6.3257 = Turns
0.375 = Wire Diameter
0 = Ribbon Width
0 = Ribbon Thickness
0.15 = Primary Cap (uF)
0 = Total Lead Length
0 = Lead Diameter

----------------------------------------------------
Secondary Coil Outputs:
----------------------------------------------------
222.43 [kHz] = Secondary Resonant Frequency
90 [deg °] = Angle of Secondary
15 [inch] = Length of Winding
96.7 [inch] = Turns Per Unit
0.00032 [inch] = Space Between Turns (edge to edge)
1138.8 [ft] = Length of Wire
5 [:1] = H/D Aspect Ratio
116.5578 [Ohms] = DC Resistance
37705 [Ohms] = Reactance at Resonance
0.35 [ lbs] = Weight of Wire
26.979 [mH] = Les-Effective Series Inductance
30.035 [mH] = Lee-Equivalent Energy Inductance
29.333 [mH] = Ldc-Low Frequency Inductance
18.977 [pF] = Ces-Effective Shunt Capacitance
17.046 [pF] = Cee-Equivalent Energy Capacitance
33.051 [pF] = Cdc-Low Frequency Capacitance
5.95 [mils] = Skin Depth
14.724 [pF] = Topload Effective Capacitance
190.8735 [Ohms] = Effective AC Resistance
198 [Q] = Quality Factor

----------------------------------------------------
Primary Coil Outputs:
----------------------------------------------------
222.43 [kHz] = Primary Resonant Frequency
0 [%] = Percent Detuned
90 [deg °] = Angle of Primary
8.28 [ft] = Length of Wire
0.61 [mOhms] = DC Resistance
0.405 [inch] = Average spacing between turns (edge to edge)
0.807 [ inch] = Proximity between coils
0 [inch] = Recommended minimum proximity between coils
3.441 [µH] = Ldc-Low Frequency Inductance
0.15002 [µF] = Cap size needed with Primary L (reference)
0 [µH] = Lead Length Inductance
111.459 [µH] = Lm-Mutual Inductance
0.351 [k] = Coupling Coefficient
0.126 [k] = Recommended Coupling Coefficient
2.85 [half cycles] = Number of half cycles for energy transfer at K
5.9 [µs] = Time for total energy transfer

----------------------------------------------------
Top Load Inputs:
----------------------------------------------------
Toroid #1: minor=3.5, major=14.5, height=16, topload

7
Dual Resonant Solid State Tesla coils / Is one of these good?
« on: May 14, 2019, 04:21:07 PM »
OK so as I continue to think about my FGH60N60SMD full bridge system I'm thinking about these two coils.
One has a 1/8 inch tube primary and the other has a 1/4 inch tube primary.

Would either of these be a good choice for my DRSSTC system?

Comments please,
TNX

Coil #1    1/8 inch primary

J A V A T C version 13.4 - CONSOLIDATED OUTPUT
5/14/2019, 8:07:22 AM

Units = Inches
Ambient Temp = 68ºF

----------------------------------------------------
Secondary Coil Inputs:
----------------------------------------------------
Current Profile = G.PROFILE_LOADED
1.5 = Radius 1
1.5 = Radius 2
1 = Height 1
16 = Height 2
1450 = Turns
30 = Wire Awg

----------------------------------------------------
Primary Coil Inputs:
----------------------------------------------------
Round Primary Conductor
2.5 = Radius 1
5.342 = Radius 2
0 = Height 1
0 = Height 2
6.429 = Turns
0.185 = Wire Diameter
0 = Ribbon Width
0 = Ribbon Thickness
0.0499 = Primary Cap (uF)
0 = Total Lead Length
0 = Lead Diameter

----------------------------------------------------
Secondary Coil Outputs:
----------------------------------------------------
226.51 [kHz] = Secondary Resonant Frequency
90 [deg °] = Angle of Secondary
15 [inch] = Length of Winding
96.7 [inch] = Turns Per Unit
0.00032 [inch] = Space Between Turns (edge to edge)
1138.8 [ft] = Length of Wire
5 [:1] = H/D Aspect Ratio
116.5578 [Ohms] = DC Resistance
42978 [Ohms] = Reactance at Resonance
0.35 [ lbs] = Weight of Wire
30.198 [mH] = Les-Effective Series Inductance
30.457 [mH] = Lee-Equivalent Energy Inductance
29.333 [mH] = Ldc-Low Frequency Inductance
16.349 [pF] = Ces-Effective Shunt Capacitance
16.21 [pF] = Cee-Equivalent Energy Capacitance
22.644 [pF] = Cdc-Low Frequency Capacitance
5.9 [mils] = Skin Depth
14.262 [pF] = Topload Effective Capacitance
192.4825 [Ohms] = Effective AC Resistance
223 [Q] = Quality Factor

----------------------------------------------------
Primary Coil Outputs:
----------------------------------------------------
226.5 [kHz] = Primary Resonant Frequency
0 [%] = Percent Detuned
0 [deg °] = Angle of Primary
13.2 [ft] = Length of Wire
4 [mOhms] = DC Resistance
0.257 [inch] = Average spacing between turns (edge to edge)
1.317 [ inch] = Proximity between coils
0 [inch] = Recommended minimum proximity between coils
9.938 [µH] = Ldc-Low Frequency Inductance
0.05004 [µF] = Cap size needed with Primary L (reference)
0 [µH] = Lead Length Inductance
48.89 [µH] = Lm-Mutual Inductance
0.091 [k] = Coupling Coefficient
0.126 [k] = Recommended Coupling Coefficient
10.99 [half cycles] = Number of half cycles for energy transfer at K
24.13 [µs] = Time for total energy transfer

----------------------------------------------------
Top Load Inputs:
----------------------------------------------------
Toroid #1: minor=3.5, major=14.5, height=16, topload


Coil #2   ¼ inch primary

J A V A T C version 13.4 - CONSOLIDATED OUTPUT
5/14/2019, 8:05:32 AM

Units = Inches
Ambient Temp = 68ºF

----------------------------------------------------
Secondary Coil Inputs:
----------------------------------------------------
Current Profile = G.PROFILE_LOADED
1.5 = Radius 1
1.5 = Radius 2
1 = Height 1
16 = Height 2
1450 = Turns
30 = Wire Awg

----------------------------------------------------
Primary Coil Inputs:
----------------------------------------------------
Round Primary Conductor
2.5 = Radius 1
7.26 = Radius 2
0 = Height 1
0 = Height 2
6.295 = Turns
0.375 = Wire Diameter
0 = Ribbon Width
0 = Ribbon Thickness
0.0499 = Primary Cap (uF)
0 = Total Lead Length
0 = Lead Diameter

----------------------------------------------------
Secondary Coil Outputs:
----------------------------------------------------
224.01 [kHz] = Secondary Resonant Frequency
90 [deg °] = Angle of Secondary
15 [inch] = Length of Winding
96.7 [inch] = Turns Per Unit
0.00032 [inch] = Space Between Turns (edge to edge)
1138.8 [ft] = Length of Wire
5 [:1] = H/D Aspect Ratio
116.5578 [Ohms] = DC Resistance
42105 [Ohms] = Reactance at Resonance
0.35 [ lbs] = Weight of Wire
29.915 [mH] = Les-Effective Series Inductance
30.385 [mH] = Lee-Equivalent Energy Inductance
29.333 [mH] = Ldc-Low Frequency Inductance
16.874 [pF] = Ces-Effective Shunt Capacitance
16.613 [pF] = Cee-Equivalent Energy Capacitance
23.416 [pF] = Cdc-Low Frequency Capacitance
5.93 [mils] = Skin Depth
14.662 [pF] = Topload Effective Capacitance
191.4953 [Ohms] = Effective AC Resistance
220 [Q] = Quality Factor

----------------------------------------------------
Primary Coil Outputs:
----------------------------------------------------
224.01 [kHz] = Primary Resonant Frequency
0 [%] = Percent Detuned
0 [deg °] = Angle of Primary
16.08 [ft] = Length of Wire
1.19 [mOhms] = DC Resistance
0.381 [inch] = Average spacing between turns (edge to edge)
1.222 [ inch] = Proximity between coils
0 [inch] = Recommended minimum proximity between coils
10.17 [µH] = Ldc-Low Frequency Inductance
0.04991 [µF] = Cap size needed with Primary L (reference)
0 [µH] = Lead Length Inductance
49.861 [µH] = Lm-Mutual Inductance
0.091 [k] = Coupling Coefficient
0.126 [k] = Recommended Coupling Coefficient
10.99 [half cycles] = Number of half cycles for energy transfer at K
24.4 [µs] = Time for total energy transfer

----------------------------------------------------
Top Load Inputs:
----------------------------------------------------
Toroid #1: minor=3.5, major=14.5, height=16, topload

8
Dual Resonant Solid State Tesla coils / Just how large?
« on: May 13, 2019, 03:04:50 PM »
Hi all,

I'm in the planning stage of my first DRSSTC system.
I'm planning on starting with a bridge of 4 FGH60N60SMD -or- FGA60N65SMD components as I want to stay with the TO-247 size for my first system.

My original desire was to use a 3 1/2 inch secondary coil form with a 1/4 inch copper tubing primary (which could be used for larger systems) but I'm wondering if this might be too large for my planned bridge.

In browsing the web I've found lots and lots of 2 3/8" dia. secondaries based on my choice of components and now I'm wondering if the 2 3/8" dia secondary might be the optional size.

So my question is just how large of a system will a bridge of 4 FGH60N60SMD -or- FGA60N65SMD support.


TNX

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