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  • Asinhrondzinēja vadības un aizsardzības aparātu izvēle

     

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ID number:252613
 
Evaluation:
Published: 22.02.2011.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

Uzdevumi:

1.Dotajam dzinējam izvēlēties magnētisko palaidēju
2.Izvēlēties kompakto palaidējo (automātslēdzis + kontaktors)
3.Dot nepieciešamo parametru aprēķinu, aparātu datu tabulu, slēgumu shēmas


Izejas dati:

Dzinēja tips: 4A355S2У3
PN = 250kW
UN = 380V
ηN = 92.5%
cosφ = 0,9
IP/IN = 7.0
Dzinēja palaišanas laiks tp = (4-10)s…

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