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Registered Member #1403
Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
The bottom termination looks fine, but the top.. I would remove the screw and washer and lead the wire through a hole or slit made in the plastic cap, you risc corona/break out from the washer. You could use a large enough toroid, but just to be safe avoid sharp points at the HV end.
You secondary resonates around 640kHz, what are you planning to use it for?
Registered Member #2315
Joined: Tue Aug 25 2009, 02:35AM
Location: Leyte, PH
Posts: 161
Hi Mads
Thanks for that tip.. :)
ok looks like ill have to remove that screw/washer there. Its main purpose was to hold the top cap, but could also be used as a breakout point<sort of> ... but ill remove it anyway and place a torriod on top..
honestly, I still dont have plans what Im going to use this secondary for.. maybe a small conventional SGTC driven by a ZVS flyback driver , or an SSTC <still not sure what driver/circuit to use either> ...still reading on the hvwiki for info..
some parts are hard to come by here, and budget is a bit tight
this is my first time building a tesla coil <and im excited and SCARED as well hehe>
OT: right now im "playing" with the zvs flyback circuit (and getting GOOD results btw)
Registered Member #2315
Joined: Tue Aug 25 2009, 02:35AM
Location: Leyte, PH
Posts: 161
yes I agree better start on simpler things 1st.. Im scavenging parts to use as power supply for zvs(will use the STEP-UP transformer found on UPS ,and wire them backwards as step-down) Ive got one here.. the primary measures about 8.6ohms and secondary about .9ohms.. have PLUGED it in 220VAC and I measured its output at about 13Vac.. not so sure about the ampere rating of this thing though.. maybe in the vicinity of 5-6A.. guage of winding is (I think) close to #10?
regarding SGTC, I dont know if I could get one of those NICECAPS for the primary, so I plan on making one DIY...
Registered Member #15
Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
looks good although i really don't like the screws protruding into the secondary at the top of the coil. Get rid of them or at least replace them with nylon hardware.
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my secondary coil, is this OK?
