HPHV shunt regulator discussion

ackcheng · 17th May 2006, 02:51 PM

Hi,

While I am searching for a good circuit for tube preamp, I came across Allen Wright's design and also bought his book about super regulator which happens to be a shunt regulator. Then further searching on the web leads me to here

www.euronet.nl/~aespreng/Shuntregv11d/Manual.pdf

A very well organised and describtive manuel on HPHV shunt regulator which also uses the same idea as Allen's super reg

I wonder if anyone had built this before and have any comment on it? I am ready to build one myself. My question is that whether it is possible to modify the circuit to produce 4A at 550V

I noticed that IRF830 has a capacity of 4.5A

Should I reduce R6 to 0.5R, then the max current for the CCS should increse to 2.5v/0.5R = 5A? Would this work if I use a huge heatsink?

Thanks

ackcheng

ackcheng · 17th May 2006, 02:58 PM

A few more questions

1. Can I parallel a few more IRF830 to get a higher current in the CCS part?
2. Can I parallel a few more IRF830 to get a higher current in the shunt part without using tube to increase the shunt current?

ackcheng · 18th May 2006, 01:48 PM

Sorry, Current and voltage requirement should actually be

170V / 4A

17th May 2006, 02:51 PM	#1
ackcheng diyAudio Member Join Date: Dec 2003 Location: hong Kong	HPHV shunt regulator discussion Hi, While I am searching for a good circuit for tube preamp, I came across Allen Wright's design and also bought his book about super regulator which happens to be a shunt regulator. Then further searching on the web leads me to here www.euronet.nl/~aespreng/Shuntregv11d/Manual.pdf A very well organised and describtive manuel on HPHV shunt regulator which also uses the same idea as Allen's super reg I wonder if anyone had built this before and have any comment on it? I am ready to build one myself. My question is that whether it is possible to modify the circuit to produce 4A at 550V I noticed that IRF830 has a capacity of 4.5A Should I reduce R6 to 0.5R, then the max current for the CCS should increse to 2.5v/0.5R = 5A? Would this work if I use a huge heatsink? Thanks ackcheng

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17th May 2006, 02:58 PM	#2
ackcheng diyAudio Member Join Date: Dec 2003 Location: hong Kong	A few more questions 1. Can I parallel a few more IRF830 to get a higher current in the CCS part? 2. Can I parallel a few more IRF830 to get a higher current in the shunt part without using tube to increase the shunt current?

18th May 2006, 01:48 PM	#3
ackcheng diyAudio Member Join Date: Dec 2003 Location: hong Kong	Sorry, Current and voltage requirement should actually be 170V / 4A

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