rury LED

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J.F. Contact options for registered users 's Avatar (by Gravatar) posted on
March 3, 2021, 7:27 pm
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czyli zamiennik swietlowek

https://youtu.be/XldjLRHGIws?t22%6

rura led w oprawie swietlowkowej ... prad 250mA, moc 8.4W, cos fi =  
0.1.

Bez kondensatora 40mA i 7.5W.

Taki kondensator ma 1W strat, czy to tylko miernik lekko wariuje ?

Hm ... rura ma w srodku zasilacz kondensatorowy, czy jakas  
przetwornice z PFC ?
Chyba to drugie, skoro praca niezalezne od statecznika ... choc rura  
ma 8W, a swietlowka powinna miec 18.

ale wplyw statecznika na przebieg pradu ciekawy - statecznik takie  
cuda wyprawia, czy to jakas interakcja z zasilaczem w rurze ?

No i strat statecznik nie wnosi ?

J.









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PeJot Contact options for registered users 's Avatar (by Gravatar) posted on
March 4, 2021, 3:03 pm
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--  
P. Jankisz


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J.F. Contact options for registered users 's Avatar (by Gravatar) posted on
March 4, 2021, 4:01 pm
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Re: rury LED

dyskusyjnych:s1qsre$1i59$ snipped-for-privacy@gioia.aioe.org...
W dniu 2021-03-03 o 20:27, J.F. pisze:
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Byc moze, choc jak widac pozniej - jakby dobrze sobie radzil.
A kondensator 3.6uF - w sam raz jego prad to 240mA.


Tylko co - dlawik jakby nic wplywa na prad rury ani na przesuniecie  ?

J.



PeJot Contact options for registered users 's Avatar (by Gravatar) posted on
March 4, 2021, 5:18 pm
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--  
P. Jankisz


J.F. Contact options for registered users 's Avatar (by Gravatar) posted on
March 4, 2021, 5:51 pm
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dyskusyjnych:s1r4oe$1la0$ snipped-for-privacy@gioia.aioe.org...
W dniu 2021-03-04 o 17:01, J.F. pisze:

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Ale tak z sensem pokazuje cyferki.

Rura "8W", on pokazuje 7.5 czy 8.4 - bardzo sensowny wynik, jak na  
miernik o zakresie 3500 W :-)

J.


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Rutkowski, Jacek Contact options for registered users 's Avatar (by Gravatar) posted on
March 6, 2021, 7:02 pm
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dynamiki.
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pzdr, j.r.

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