Author Topic: Shielded Supply Cable For Large Tesla Coil  (Read 964 times)

Offline Mads Barnkob

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Shielded Supply Cable For Large Tesla Coil
« on: December 08, 2022, 10:02:17 PM »
Construction of a shielded mains supply cable for my large Kaizer DRSSTC3 Tesla coil. Using braided copper tubing, polyester cloth and terminations, a sturdy and professional cable pack is made.

Kaizer DRSSTC3: https://kaizerpowerelectronics.dk/tesla-coils/kaizer-drsstc-iii/

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Are you also tired of tin foil wrapping your own hats, cables and takeaway food? Consider making a fixed shielded cable and you have more tinfoil for hats and food!


Cables with braided copper


Finished set of cables
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Offline MRMILSTAR

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Re: Shielded Supply Cable For Large Tesla Coil
« Reply #1 on: December 08, 2022, 11:27:36 PM »
Looks great! I did something similar for my SGTC several years ago. I sheathed each HV lead in clear vinyl tubing for additional insulation. This was then slipped inside of tin-plated copper braid. I did 3 separate cables: 2 HV and 1 for the RSG motor. I just clamp on to the braid with a large alligator clip tied to earth when I want to run the coil. The pictures show one HV cable and the connectors that I made from audio connectors.
« Last Edit: December 08, 2022, 11:31:25 PM by MRMILSTAR »
Steve White
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Retired electrical engineer

Offline Hydron

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Re: Shielded Supply Cable For Large Tesla Coil
« Reply #2 on: December 09, 2022, 12:20:23 PM »
Not as much braid coverage, but _much_ easier to deal with is this stuff (from various manufacturers, this is just an example of CY cable): https://lapplimited.lappgroup.com/products/cy-cables.html

I've gotten it from Farnell type places, or sometimes ebay. Was lucky enough to have some chunky surplus shielded circular connectors to use with it too (for the TC side of things). Multicore is easy to get, so you can run separate feeds for control system power (if you go for 7 core, you can use 2 in parallel on phase/neural for main power, two single cores for control/other power, one earth, and braid also earthed).
« Last Edit: December 09, 2022, 12:36:03 PM by Hydron »

Offline Mads Barnkob

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Re: Shielded Supply Cable For Large Tesla Coil
« Reply #3 on: December 11, 2022, 07:48:42 PM »
Good idea with running a HV wire inside a clear tubing for insulation.

I have pulled so many CY cables through factory floors and engineering hallways. Its great for installation, but it lacks the flexibility and after a while it will do weird curls. Properly not something that will pose a problem in the amount of Tesla coil use :) And its a great point that multicore like 11, 15 wire is cheaper than getting 6 mm^2 rubber cable!
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Re: Shielded Supply Cable For Large Tesla Coil
« Reply #3 on: December 11, 2022, 07:48:42 PM »

 


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