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ID number:206707
 
Evaluation:
Published: 13.01.2020.
Language: Latvian
Level: College/University
Literature: n/a
References: Not used
Extract

PUSVADĪTĀJU ELEMENTU IZVĒLE
Tiristoru VS1 un VS2 izvēle

No aprēķiniem ieguvu, ka tiristoru vidējās strāvas ir IVS1 = 363.02A un IVS2 = 10.051A.
Izvēlos tiristoru T63-400 priekš IVS1 = 363.02A
Šī tiristora parametri:
Rd = 0.008Ω;
Rthjc = 0.08C/W;
U0 = 0.95V.

∆P_vidVS1=I_vid1*U_0+I_ef1^2*R_d=363.02*0.95+〖358〗^2*0.08=1370.181W

θ_vid1=θ_0+∆P_vidVS1*R_t=35+1370.181*0.08=112.4˚

Izvēlos tiristoru T212-10 10A priekš IVS2 = 10.051A
Šī tiristora parametri:
Rd=0.0059Ω;
Rthjc=1.8C/W;
U0=1.25V.

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