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Question 2
In 'n gebalanseerde driefase delta gekoppelde kring is die fase spanning 380 V en die fase stroom 12 A. As die fasehoek 25°, bereken die volgende: 2.1.1 Die ware dr... show full transcript
Step 1
Answer
Om die ware drywing te bereken, gebruik ons die formule:
P = rac{ ext{V_L} imes I_L imes ext{cos}( heta)}{ ext{sqrt}(3)}
Hier is:
Bereken die ware drywing:
P = rac{ ext{sqrt}(3) imes 380 imes 12 imes ext{cos}(25°)}{1}
Na berekening kry ons
Step 2
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Step 4
Answer
Elektrisiteit in driefase is meer doeltreffend omdat:
Step 5
Answer
Die arbeidsfaktor in driefase generatore is gewoonlik nalopend. Dit is belangrik omdat dit die verhouding van werklike drywing tot apparente drywing verduidelik en help om die effektiwiteit van die generator te bestuur.
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