A shunt motor draws current of 60 A from a 120 V source rotating at 1800 RPM. If the armature resistance is 0.2 Ohms and the field resistance is 50 Ohms find: A.) The field current B.) The armature current C.) The counter EMF D.) The developed power in H.P

Q: A 220 V dc shunt motor draws a current of 50 A from the supply and runs at 900 rpm. Its armature and…

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Q: A 500 V D.C. shunt motor having an armature resistance of 1 ohm draws an armature current of 120 A…

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Q: A 250V series motor runs at 500 rpm at rated load current of 75 A. The armature circuit has a…

A: It is given that: V=250 VN1=500 rpmIL1=Ia1=75 ARa+Rse=0.2 Ωϕ α Ia

Q: Sketch the torque versus speed characteristic for a series-connected dc motor.

A: The circuit diagram of the DC series motor can be drawn as  Thus for constant power motor : Ns α 1Γ…

Q: 1. A fundamental DC motor is shown below. VTerminal = 90V. The running current, I = 5 A and the…

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Q: A 100 V DC separately excited motor has armature resistance 2 ohms and voltage constant of 0.6 V…

A: V = 100 V Ra = 2 ohm Kb= 0.6 V/rad/s T= 20 Nm Kt = 50 Nm/s

Q: A series DC motor has a series-field winding of 25 turns per pole. Its armature resistance is 0.15…

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Q: A permanent magnet DC mitor has an armature resistance 1.4 52. When it is supplied by 75-V DC…

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Motor Load, Torque, and Power Quality Requirement

An electric motor is a gadget that changes electrical energy into mechanical energy over to follow up on a mechanical burden. The weight set on the motor because of this mechanical movement is known as motor load. Appropriately matching the motor burden to the engine is vital to forestall harm to the engine or wasteful and unnecessary expensive activity. Engines perform such undertakings as moving a thing starting with one spot then onto the next, cutting it, changing its shape, etc. The motors might be evaluated as far as a few variables including power yield, voltage, current, and temperature. Harm to an engine might happen when it is worked under over the top engine load contrasted with its appraised limit.