You have a new 3-phase lathe, and you're required to wire the power supply. The nameplate of the motor on the lathe indi

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You Have A New 3 Phase Lathe And You Re Required To Wire The Power Supply The Nameplate Of The Motor On The Lathe Indi 1 (49.31 KiB) Viewed 19 times

You have a new 3-phase lathe, and you're required to wire the power supply. The nameplate of the motor on the lathe indicated that it is delta connected with an equivalent impedance of (5+j15) 2 per phase. Your workshop has a balanced star connected supply and you measured the voltage in phase A to be 230D00 V. A) Discuss three (3) advantage of using a three-phase supply as opposed to a single-phase supply B) Draw a diagram showing a star-connected source supplying a delta-connected load. Show clearly labelled phase voltages, line voltages, phase currents and line currents. C) If this balanced, star-connected source is connected to the delta-connected load, calculate: i) The phase voltages of the load ii) The phase currents in the load iii) The line currents iv) The total apparent power supplied