Michael Moorees design is a boost converter, and I have successfully added a voltage multiplier to those. However I have not successfully added a voltage multiplier to the raw output of the secondary of a fly back converter.
Sent from my iPad > On Nov 2, 2020, at 9:23 AM, Dekatron42 <[email protected]> wrote: > > I've tried a lot of stuff/solutions but so far I haven't found a single power > supply, that is sold, that produces these voltages directly, all need an > external voltage doubler/tripler. With the kit from Michael Moorrees you can > add a doubler/tripler very easy, look a bit further down on his webpage here: > https://threeneurons.wordpress.com/nixie-power-supply/hv-supply-kit/ (an > external solution, he also has a larger voltage multipler for use with for > instance the IEE NIMOs) or with the Tayloredge PSUs you can do something > similar but there is no pin available so you'll have to solder a wire to get > to the pulse output: > https://www.shop-tes.com/1554-hvps-horizontal-smt-high-voltage-low-noise/. > > I could make a new PCB and add all components on it (even thought about > making a cut-out that would fit for the original PSUs from Moorrees or > Tayloredge and just add the other parts) but I'd really prefer a PSU that had > it all on the same PCB. > > I have understood that it is a real challenge to make a PSU with these > voltages unless they use a doubler/tripler design, but I still hope that > someone is up to that challenge. There is a linear voltage regulator here: > https://www.bartola.co.uk/valves/2012/10/20/600v-feedback-regulator-finished/ > that I haven't had time to build and test yet, but it looks very good and you > can follow the design on the blog. > > /Martin > > On Monday, 2 November 2020 13:45:55 UTC+1, Paul Andrews wrote: >> >> >> Hi Martin. Have you tried a voltage multiplier with the raw output of the >> secondary on a fly back converter? My experience has been that you don’t get >> what you expect. I.e. if your smoothed DC output is 150V and you add a >> voltage doubler to the raw output from the secondary, you will not get a >> smoothed 300V DC. Someone on here explained why a while ago. Greg maybe? >> >> I’m seriously interested to know what other people’s experience of this is. >> On Sunday, November 1, 2020 at 8:48:48 AM UTC-5 Dekatron42 wrote: >>> Yes, 300V is for the old GR10G to light up properly, they work better at >>> 250V and above. >>> >>> Adding an external voltage doubler/tripler is a nice option to drive these >>> GR10G and possibly also dekatrons. >>> >>> /Martin > > -- > You received this message because you are subscribed to a topic in the Google > Groups "neonixie-l" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/neonixie-l/yPdx7qLjIx8/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/b75817bd-a91c-4b6e-ad72-57596d377401o%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/4DEFC217-F7BB-4E95-A099-BB4E6C0E194A%40gmail.com.
