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  • m4nb34rp19 commented on -max-'s instructable Easy SSTC, Slayer Exciter On Steroids!2 years ago
    Easy SSTC, Slayer Exciter On Steroids!

    Ah of course, your hint takes me back to physics class (Root Mean Square), won't need google for that one (this time haha). RMS didn't even occur to me lol.

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  • m4nb34rp19 commented on -max-'s instructable Easy SSTC, Slayer Exciter On Steroids!2 years ago
    Easy SSTC, Slayer Exciter On Steroids!

    mistakes in link - reposted

    Something is making both links the same, sorry!here's the correct STP34NM60N link

    I was thinking these look pretty good IPW90R1K2C3 but not sure, is pretty cheap and is rated at 900V with same resistance as the FDP33N25 was thinking could parallel a couple of them perhaps?

    Cool thanks for that, so do you reckon either of those two would do the job? I certainly won't hold you to it mate, just with you're experience and knowledge, you're opinion matters in the choice i make (you've already steered me away from some bad choices!) and hopefully when i get it working these posts will help someone else get some home-made lightning happening, and of course i'll post some pics :)I also just found this one, which is a few bucks cheaper and looks similar in spec IPP60R099C6 is TO-220 but still looks like the specs are good (to me anyway) would no doubt need big heatsink and fan, probably run two in parallel of whatever i use too (I may purchase some of each if you reckon they look ok, in case i get some go bang - I'm under no illusion of this being straight forward...

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    Cool thanks for that, so do you reckon either of those two would do the job? I certainly won't hold you to it mate, just with you're experience and knowledge, you're opinion matters in the choice i make (you've already steered me away from some bad choices!) and hopefully when i get it working these posts will help someone else get some home-made lightning happening, and of course i'll post some pics :)I also just found this one, which is a few bucks cheaper and looks similar in spec IPP60R099C6 is TO-220 but still looks like the specs are good (to me anyway) would no doubt need big heatsink and fan, probably run two in parallel of whatever i use too (I may purchase some of each if you reckon they look ok, in case i get some go bang - I'm under no illusion of this being straight forward so i won't be getting upset if they do, hopefully learn something so is all good)Again, thankyou for your help!

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  • m4nb34rp19 commented on -max-'s instructable Easy SSTC, Slayer Exciter On Steroids!2 years ago
    Easy SSTC, Slayer Exciter On Steroids!

    Hey Max,Finally getting round to this circuit - brute power supply it is! those other ones I've been messing with are fine for smaller normal circuits but the slayer circuit has let smoke out of four psu circuits now, interestingly, the old workhorse psu i originally used is still cruising along at 25VDC but i'm moving on. I built full bridge rectifier and will use that on the hi voltage side, only problem(?) is I have 73VDC at the output. I have IRF540N MOSFETs, do you think these will be ok? I think they're ok for 100V but not sure about the driver chip getting excess feedback voltage given that i have 73VDC feeding it. Should i increase the value of R3 or will that still be ok do you think?Just re-watched your video of this thing, OMG the sound it makes when the interrupter is added ...

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    Hey Max,Finally getting round to this circuit - brute power supply it is! those other ones I've been messing with are fine for smaller normal circuits but the slayer circuit has let smoke out of four psu circuits now, interestingly, the old workhorse psu i originally used is still cruising along at 25VDC but i'm moving on. I built full bridge rectifier and will use that on the hi voltage side, only problem(?) is I have 73VDC at the output. I have IRF540N MOSFETs, do you think these will be ok? I think they're ok for 100V but not sure about the driver chip getting excess feedback voltage given that i have 73VDC feeding it. Should i increase the value of R3 or will that still be ok do you think?Just re-watched your video of this thing, OMG the sound it makes when the interrupter is added to it is just awesome! Sounds like such a beast, I can't wait to get this going :)

    Cool, I'll look into some of those, cheers for that. Will they handle 73VDC in your opinion? Are there any bigger or better ones you know of that would suit given the extra volts? If it means spending a little bit extra, and using extras in parallel so it doesn't go pop i'm thinking it's probably worth it, wife always gets upset with me when circuits explode or make flames on the kitchen bench, and there's been a couple lately :)Yeah definitely wasn't planning on doing that, got a separate psu for the 12v side, I think is good for 2A, (not that it'll need that much but is nice little DC brick power pack so should be ok for the low side, wired it into my big power supply so is able to be one wall plug)Do you think 73VDC is too much? The transformer is supposed to be 50V but i suspect its...

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    Cool, I'll look into some of those, cheers for that. Will they handle 73VDC in your opinion? Are there any bigger or better ones you know of that would suit given the extra volts? If it means spending a little bit extra, and using extras in parallel so it doesn't go pop i'm thinking it's probably worth it, wife always gets upset with me when circuits explode or make flames on the kitchen bench, and there's been a couple lately :)Yeah definitely wasn't planning on doing that, got a separate psu for the 12v side, I think is good for 2A, (not that it'll need that much but is nice little DC brick power pack so should be ok for the low side, wired it into my big power supply so is able to be one wall plug)Do you think 73VDC is too much? The transformer is supposed to be 50V but i suspect its rating might be at 230V (and here it can be anywhere from 230VAC-250VAC at the wall and i have 250V at this place). I lived at place where it was 225V a few years back, just depends on the area. but i'm guessing (without doing the calculations) thats where the extra is coming from, the reason i bought that one was because it was big 3A or 6A if you use both outputs in parallel and 50V! (and on special) lol turns out I got a bonus model i guess haha :) now left wondering if it's too much.I was gonna test the high voltage side on my trusty old 25VDC psu first before throwing the other one at it just in case anything goes wrong anyway just to be safe and to not blow it up :) so if all else fails i'll still be able to run it, just not at it's full potential

    Hey Max,Finally getting round to this circuit - brute power supply it is! those other ones I've been messing with are fine for smaller normal circuits but this circuit has let smoke out of four psu circuits now so i'm moving on. I built full bridge rectifier and will use that on the hi voltage side, only problem(?) is I have 73VDC at the output. I have IRF540N MOSFETs, do you think these will be ok? I think they're ok for 100V but not sure about the driver chip getting excess feedback voltage given that i have 73VDC feeding it. Should i increase the value of R3 or will that still be ok do you think?Just re-watched your video of this thing, OMG the sound it makes when the interrupter is added to it is just awesome! Sounds like such a beast, I can't wait to get this going :)

    View Instructable »