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For a 45-kVA, three-phase, wye-connected, 220- V synchronous machine at rated armature current, the short-circuit load loss (total for three phases) is 1.80 kWat a temperature of 25°C. The dc resistance of the armature at this temperature is 0.0335 per phase. Compute the effective armature ac resistance in per unit and in ohms per phase at 25°C.
AC Machines: We have learnt the fundamental concepts of the transformer, induction motors and special type fractional kilowatt (kW) machines. In the section of transformer you
Complier-High Level language It also translates the whole high level program into object program if it does not have any syntax error. The disadvantage of the in
Explain the Power Chart The phasor diagram shown in Figure with the x and y axes added, as shown. This diagram may be converted to a 'power chart' by multiplying each phasor in
Q. A balanced delta-connected load with a per-phase impedance of 30+j10 is connected in parallel with a balanced wye-connected load with a per phase impedance of 40-j10 . This l
Ask question #Discuss the role of load factor on the cost of electrical energy 100 words accepted#
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Negative test cases for testing mobile phones are: 1.taking out the SIM card and made a call 2. by invalid phone number 3. Made a call at which there is no tower signa
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