Walter G. Jung's Energy Storage Bank - diyAudio
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Old 2nd July 2003, 04:35 AM   #1
AJT is offline AJT  Philippines
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Default Walter G. Jung's Energy Storage Bank

In August 1980, an article entitled "Build an Energy Storage BAnk" was published in Audio magazine by mr Jung, i would like to know your feedback regarding this construction project if ytou ever built this one...
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Old 2nd July 2003, 10:48 AM   #2
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Are you referring to the outboard energy storage for that Dynaco 80 I think it was? I seem to remember special measures (delayed relay etc) were required to avoid blowing fuses and bridges at switch-on, and to avoid the very high ripple currents to get into the amp circuitry. Never understood the advantages, but that happens often to me these days.

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Old 2nd July 2003, 12:00 PM   #3
Jennice is offline Jennice  Denmark
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If someone would be so kind as to give me a link or show a schematic, I'd be happy to comment on it and try to point advantages and problems.

Jens
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Old 2nd July 2003, 01:01 PM   #4
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I have the schematic/article at home, but am travelling and can't get it before next week.

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Old 2nd July 2003, 07:03 PM   #5
Jennice is offline Jennice  Denmark
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Jan,

Fine with me No haste, I'm just curious *S*

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Old 2nd July 2003, 07:18 PM   #6
pooge is offline pooge  United States
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Basically, it just paralleled a bunch of capacitors for greater storage. It did get into inrush current limiting. It also dealt with measuring the caps before using them to see if they were alright, because he anticipated that people would use surplus caps. Advantages: increased energy supply. Disadvantage; inrush current has to be dealt with.
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Old 3rd July 2003, 06:44 AM   #7
Jennice is offline Jennice  Denmark
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Pooge,

Limiting inrush current is pretty straight forward if done on the primary side, so there must be something special to it since it has gotten so much talked about.

Oh, boy.... am I curious to see if it's a "re-invention of the wheel" thing....

Jens
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Old 3rd July 2003, 09:20 AM   #8
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I seem to remember there was some delayed relay switching after the bridge to protect that.

Jan Didden
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Old 3rd July 2003, 09:53 AM   #9
Jennice is offline Jennice  Denmark
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Janneman,

So one is out traveling (since the schematic hasn't shown up), but you just couldn't resist visiting diyaudio, eh?
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Old 4th July 2003, 09:59 AM   #10
AJT is offline AJT  Philippines
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my interest on the subject is to find out if any member of this comunity ever built one and what the experience was...this is really a very simple concept, i would love to find out the actual experience of the builder who built this project....
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