EXAMIANS
A three-phase, 12 kV, 50 Hz and 300 kW load is operating at 0.8 pf lag. If the pf is to be improved to unity, using star connected capacitor, the per phase value of the reactive VAR required is:
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The line currents in amperes in phases a, b and c respectively are 500 +j150, 100 – j600 and – 300 + j600 referred to the same reference vector with phase sequence of abc. Find the symmetrical component of currents.
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Consider the following statements associated with Buchholz's relays.<br/>Statement 1: Buchholz's relay is a current operated device.<br/>Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator.
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જે ક્રિયા દર્શાવે પણ વાક્યનો અર્થ પૂર્ણ કરે એ એને ____કહેવાય. - આપેલ વિકલ્પોમાંથી યોગ્યનું ચયન કરી વાક્ય પૂર્ણ કરો
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____are long-term (hours-long) voltage sags caused by system overload.
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The single line diagram of the simple power system is shown in figure the corresponding reactance diagram is
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The magnitude of the generator earth-fault current is limited by
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The Great Barrier Reef is located in which country?
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If the velocity of electromagnetic wave in free space is 3 × 10⁸ m/s, then the velocity in a medium with εr of 4.5 and μr of 2 would be
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આપને કાઈ મશીન નથી કે અમુક ગોઠવણો પ્રમાણે કાર્ય જ કરીએ. - ઉપરોક્ત વાક્ય જુદાં પાડવા ક્યાં સંયોજકો કાઢવા પડે.
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