Elektrotehnika. Uzdevums / Samples / ID: 992710

Author: Romans Kokvichevs (15)

Evaluation:

Published: 24.11.2011.

Language: Latvian

Level: College/University

Literature: n/a

References: Not used

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Extract

1). Aprēķinām elementu nezināmās pretestības:

• ω = 2*π*f= 2*3.14*50= 314

• XC1= 1/( ω *C)= 1/(314*72*10-6)= 44.23Ω

• XL1= ω *L= 314*148*10-3= 46.47Ω

• tgφ= (XL1-XC1)/(R1+R2+R3)=(46.47-44.23)/(64+21+37)= 0.018

• φ= arctg(0.018)= 1.031○

• cosφ= 0,514
…

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