Polovodicova regulace cerpadla

Lubor Otta butan at geoinvest.cz
Mon May 28 10:56:39 CEST 2001


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Znam dva druhy cerpadel,
axialni, je to vlastne vrtule umistena v koleni z trubky, vhodne na =
cerpani kalu.
Odstredive, (radialni) to tam mate s nejvetsi pravdepodobnosti. U =
takoveho cerpadla je regulace obtokem nepripustna, vede k pretizeni =
motoru, klasicky by se melo regulovat skrcenim. Pri ucpani jeho prikon =
silne poklesne, a mohlo by tak zustat neomezene dlouho, pokud se vam =
ovsem nezavzdusni. Pri regulaci skrcenim dochazi ke ztratam energie =
turbulenci ve skrticim ventilu, ale bezstratovym resenim je jedine pohon =
cerpadla s regulovatelnymi otackami.
Lubor

----------
Od:	Pr=E1=B9ek Rostislav
Odesl=E1no: 	28. kv=ECtna 2001 9:06
Komu:	Multiple recipients of list
P=F8edm=ECt: 	RE: Polovodicova regulace cerpadla


       K  	tomuto prepostecimu ventilu bych dal 100% prednost pred
       elektrickym resenim. Menic je drahy a jine rozumne reseni neznam.
       Snad pokud je motor oddeleny od cerpadla ,zamenit motor za lepe=20
       regulovatelny synchroni.

> -----P=F9vodn=ED zpr=E1va-----
> Od:	p_glajc at del.cz [SMTP:p_glajc at del.cz]
> Odesl=E1no:	28. kv=ECtna 2001 8:18
> Komu:	Multiple recipients of list
> P=F8edm=ECt:	RE: Polovodicova regulace cerpadla
>=20
> Mam neelektricke reseni daneho problemu.
>=20
>                    -------------ventil--------------- =20
>                   |                                   |
> vstup ------tecko--------cerpadlo-------tecko---------vystup
>=20
> Cim vice otevreme ventil tim mene potece na vystup.=20
> Pavel Glajc=20
>=20
> > Mam vodni cerpadlo o vykonu asi 1kW, na 220V jednu fazi. Pise se na =
nem
> 	> > 2850 otacek za minutu. Je to asynchronni motor?
>=20
>=20


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