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Silent Jack
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« on: February 23, 2011, 03:05:21 PM »
Looking at hooking up some high voltage capacitors in a series parallel configuration and was hoping some of the experienced folks here could share their recommendations for how best to connect them.  I've had traces posited, as well as solid-core wires and bus bars.
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Hero999
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« Reply #1 on: February 24, 2011, 01:55:41 PM »
You really need to provide more information.

It depends on the capacitance, voltage and rate of discharge.
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Silent Jack
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« Reply #2 on: February 24, 2011, 02:01:24 PM »
Happy to; 6x 400V capacitors @ 470uF.  Arranged 2x wide, by 3x deep.  As rapid a discharge as possible once fully charged (Dumps to a solenoid).
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KevinIV
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« Reply #3 on: February 24, 2011, 02:13:56 PM »
Solid copper wire solders good to component leads. High voltage on PCB's isn't good. Any sort of damage has to be evaulated for reuse.
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Hero999
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« Reply #4 on: February 25, 2011, 04:38:47 PM »
Just make the connections as short and as thick as possible.

What are you using for back-EMF protection? Electrolytic capacitors don't like being charged in the reverse direction.
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Silent Jack
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« Reply #5 on: February 28, 2011, 01:06:32 PM »
What have you found to work best in your experience?
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Hero999
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« Reply #6 on: February 28, 2011, 01:45:00 PM »
I've never done it before so wouldn't be able to answer that question.

What's the resistance and inductance of the coil? You should ensure the impedance of the capacitors and wiring is significantly less than that of the coil.
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Silent Jack
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« Reply #7 on: February 28, 2011, 03:12:58 PM »
I could give you the physical specs of the coil, but I don't know its impedence.  What is the best way to determine it?
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Hero999
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« Reply #8 on: February 28, 2011, 03:58:08 PM »
By using a formula which can be found using Google.
http://www.google.co.uk/search?hl=en&client=opera&hs=4eV&rls=en&channel=suggest&q=inductance+calculation&aq=f&aqi=g7g-m3&aql=&oq=
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