A6-pole, 24 KW, 120 V, DC machine has a Duplex LAP-woundarmature which has 72 coils with 10 turns per coil. Its rated speed is 2400 RPM. Assume a dead zone of 6 coils that are always beyond poles faces. Assume no internal losses in the machine. Calculate the current per path in the armature of this machine if its load is 21.5 KW. Select one 47 Oa. la14.93 A Ob loen= 16.167 A O C. None O d.lan 179.17 A

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Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.