Hvor meget stiger spænding ved ensretning

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Hej gruppe




med ?? Var det 1,7??

Med venlig hilsen

Jan

Re: Hvor meget stiger spænding ved ensretning
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http://www.hefrandsen.dk/veksel07.htm
--  
OV1A Jens

 I try - in fact, most people tell me I am very trying  

Re: Hvor meget stiger spænding ved ensretning


Mvh


Jan Andersen wrote:
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Re: Hvor meget stiger spænding ved ensretning
Den 23-08-2014 kl. 14:35 skrev Benny:


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siden, hi.
/KE.


Re: Hvor meget stiger spænding ved ensretning



ikke er kun er noget abstrakt. Oscilloskopet virker stadig, men bliver  

Mvh

KE Kofod / 7100 Vejle wrote:

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Re: Hvor meget stiger spænding ved ensretning
Den 23-08-2014 12:00, Jan Andersen skrev:
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Ved broensretning (4 dioder), ganges med 1,41.

Karl Erik.


Re: Hvor meget stiger spænding ved ensretning
Den 23-08-2014 kl. 14:49 skrev Karl Erik Christensen:
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Hej Karl Erik og alle andre :-)

Mange tak var lige det jeg ikke kunne huske.




Go weekend

Mvh Jan



Re: Hvor meget stiger spænding ved ensretning
Den 23-08-2014 18:38, Jan Andersen skrev:
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volt fra, der er to dioders tab i en bro, men kun 1 ved enkelt og  



--  
Ulrik Smed
Aarhus

Re: Hvor meget stiger spænding ved ensretning
Den 23-08-2014 18:38, Jan Andersen skrev:

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dobbeltensretning.

Du kan nogle gange redde en for lav AC/DC forsyning, hvis du i stedet  
for at bruge fx. en LM317, bruger en LDO (Low DropOut) regulator  


http://www.vejle-rc.dk/produkter/228-spaendingsregulatorer/9799-low-drop-spaendingsreg-15a/

Karl Erik.


Re: Hvor meget stiger spænding ved ensretning
Den 25-08-2014 kl. 05:10 skrev Karl Erik Christensen:
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Hej Karl Erik.

Mange gange tak, var lige hvad jeg kunne bruge :-)

Med venlig hilsen

Jan

Re: Hvor meget stiger spænding ved ensretning [ LD1084-ADJ ? ]
On 25/08/14 17.18, Jan Andersen wrote:
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Hej Jan



LD1084-ADJ 5A 0,65C/W Vmaxdrop@5A=1,5V; Vmaxdrop@1,5A=1,0V:
http://www.ti.com/lit/ds/symlink/lm1084.pdf




-

LM1086-ADJ 1,5A 1,5C/W Vmaxdrop@1,5A=1,5V:
http://www.ti.com/lit/ds/symlink/lm1086.pdf

Glenn


Re: Hvor meget stiger spænding ved ensretning
Hej
On 25-08-2014 05:10, Karl Erik Christensen wrote:

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kondensatorer.




Kig lige en ekstra gang i databladene for LM317.

Mvh
Martin

Re: Hvor meget stiger spænding ved ensretning
Den 2014-08-25 05:10, Karl Erik Christensen skrev:
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Enkelt ensretning af 10 Vac = ( 10 x 1.414 ) - 0.7 V = 13.44 Vdc.
Dobbelt ensretning af 10 Vac = ( 10 x 1.414 ) - 1.4 V = 12.74 Vdc.

De 1.414 er kvadratroden af 2 og de 0.7 V og 1.4 V er henholdsvis en og  


Nogen der er uenig ?

/Jan Rasmussen.

Re: Hvor meget stiger spænding ved ensretning
Den 26-08-2014 00:36, Jan Rasmussen skrev:
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Karl Erik.


Re: Hvor meget stiger spænding ved ensretning
Den 26-08-2014 00:44, Karl Erik Christensen skrev:
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lyttens hus, indtil det siger bang. ;-)

--  
Ulrik Smed
Aarhus

Re: Hvor meget stiger spænding ved ensretning
Den 26-08-2014 00:36, Jan Rasmussen skrev:
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Kun lidt. :-) Vi snakkede om dobbelt vs brokobling, hvor jeg tillod mig  

diodetab.

--  
Ulrik Smed
Aarhus


Re: Hvor meget stiger spænding ved ensretning
Den 26-08-2014 07:04, Ulrik Smed skrev:
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Den engelske wiki om ensretning er rigtig god:
http://en.wikipedia.org/wiki/Rectifier


Fleischman el-togs transformator fra 1950'erne - det er jo en selenium  
ensretter.

Karl Erik.


Re: Hvor meget stiger spænding ved ensretning
On 23/08/14 14.49, Karl Erik Christensen wrote:
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https://da.wikipedia.org/wiki/Cockcroft-Walton-generator

https://en.wikipedia.org/wiki/Voltage_multiplier

https://en.wikipedia.org/wiki/Voltage_doubler

Glenn



Re: Hvor meget stiger spænding ved ensretning
Den 24-08-2014 14:26, Glenn skrev:
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Karl Erik.


Re: Hvor meget stiger spænding ved ensretning

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ning?
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l


ew/18519442/ana-lvdtmdi/37

:)

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