Go to listserv.cesnet.cz LWGate Home Page.From: "Richard Drutarovsky Ing." <Richard.Drutarovsky@TUKE.SK>
Subject: Re: zalozni zdroj
Date: Fri, 3 Mar 1995 14:44:57 +0100
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> On Fri, 3 Mar 1995, Pavel Rezabek wrote:
> > Dalsim problemem je ventilace. Nestacila by teplo z procesoru odvadet
> > masivni medena deska (obdoba chladice u vykonovych tranzistoru) ?
> 1) v pocitaci nehreje jenom procesor
> 2) ventilator byva obvykle na 12 V.
Moznym riesenim by bol dostatocne ucinny menic =12V/~220V 50Hz,
ale to je uz pomaly takmer UPS. A kedze 12V bateriu by bolo treba dobijat,
tak uz je to vlastne cely UPS.
Kedze treba vyrobit napatia +12, +5, -5, -12, aj pri rieseni s
bateriou by zrejme bolo nutne pouzit menic (a navyse by boli problemy so
spravnym nabahom napati - aj to by muselo byt nejako vyriesene).
Takze ak je podmienka pouzit PC, tak bud UPS alebo menic. Menic
nebude stat rozhodne tolko ako UPS. Samozrejme kvalita takehoto riesenia
bude zodpovedajuca.
R. Drutarovsky
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