Janus shunt regulator problem - diyAudio
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Old 20th July 2011, 05:41 AM   #1
diyAudio Member
Join Date: Jul 2011
Default Janus shunt regulator problem

I just built the Janus shunt regulator but when I powered it up I blew resistors R1 and R2. These are the resistors connected directly to the ac from the power transformer. I have no idea why this happened, so I decided to ask you guys. The power transformer I am using is a 540VCT (model #6K56VG on allied elec). Any ideas or help on what I could have done wrong would be much appreciated.

Thank you
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Old 20th July 2011, 07:57 PM   #2
diyAudio Member
Join Date: Jul 2011
Found the problem... I started metering stuff and found a short, then I realized it wasn't a short, I had the rectifier tube in backwards so I was sending the main ac through the heater, not good... Turned that around, replaced the resistors, and all is well in psu land
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