- Posted by hifiman5 on December 20, 2009 at 05:04:57
My PPP version 2 for the first few months always registered an output thd of .3-.4. Then one day a couple of weeks ago, it was toggling between .9 and 1% thd. It has stayed there ever since. What happened?
Follow Ups:
- RE: output thd of PPP - PaulMC 07:12:18 12/20/09
(2)
- In Reply to: RE: output thd of PPP posted by hifiman5 on December 20, 2009 at 05:04:57
Has your incoming THD changed or has your load changed - or the incoming voltage? The THD output level is dependent on a number of factors including all the above.
- RE: output thd of PPP - hifiman5 09:30:35 12/20/09
(1)
- In Reply to: RE: output thd of PPP posted by PaulMC on December 20, 2009 at 07:12:18
My incoming thd has remained steady at 2.6% and the incoming voltage has consistently been 124 or 125 volts. There have been no changes to the system either. The only difference is the output thd from .3-.4 to .9- 1.0%.
- RE: output thd of PPP - PaulMC 10:05:39 12/20/09
(0)
- In Reply to: RE: output thd of PPP posted by hifiman5 on December 20, 2009 at 09:30:35
Hmmm, well I don't know then - it can't just change - something must be different.
- RE: output thd of PPP - PaulMC 10:05:39 12/20/09
(0)
- RE: output thd of PPP - hifiman5 09:30:35 12/20/09
(1)
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