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Calculate the line voltage in star connection when phase voltage=315 V.(a) 545.5 V(b) 548.6 V(c) 547.8 V(d) 585.8 VI have been asked this question in an internship interview.This is a very interesting question from Solar Powered Vehicles topic in portion Solar and Battery Powered Drives of Electric Drives

Answer»

Right answer is (a) 545.5 V

To elaborate: The line voltage in the CASE of STAR connection is 1.73 times of phase voltage. It LEADS the phase voltage by an angle of 30°. VL-L=1.73×315=545.5 V.



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