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Fazni kot φ z vektorji (kazalci)

Na kondenzatorju se tok pojavi pred napetostjo (tok prehiteva napetost). Na tuljavi se napetost pojavi pred tokom (napetost prehiteva tok). i C e. KONDENZATOR. TULJAVA. φ =90 º. φ =90 º. e L i. Fazni kot φ z vektorji (kazalci).

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Fazni kot φ z vektorji (kazalci)

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  1. Na kondenzatorju se tok pojavi pred napetostjo (tok prehiteva napetost) Na tuljavi se napetost pojavi pred tokom (napetost prehiteva tok) i C e KONDENZATOR TULJAVA φ=90º φ=90º e L i Fazni kot φ z vektorji (kazalci) !!! dolžine vektorjev so vrednosti konica-nič (polovica konica-dno)

  2. Primer: vzporedna vezava L in C in kot φ • Vsota tokov je tudi vektor • Pojavi se kot φ med vsoto tokov in skupno napetostjo, ki je lahko le +90° ali -90° φ=?

  3. Primer: vzporedna vezava L in C • U= 440V, L = 300mH, C = 3μF, f = 60Hz 1/XC 1/Z φ=-90° 1/XL

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