A 440V, A-connected, 60Hz four-poles SM has an armature resistance of 0.222 and synchronous reactance of 30. When this motor is supplying 100hp at 0.8 PF leading, its Plosses 9.2kw. 1. Find I, I, and EA. 2. Find efficiency at rated conditions. 3. Calculate the output torque of this motor at the rated conditions

Q: Determine developed torque and shaft torque of 300-V, 4-pole series motor with 680 conductors wave-…

A: It is given that: V=300 VP=4 polesZ=680 conductorsWave-connected=A=2Pout=8 KW=8×103 WIa=40 Aϕ=25…

Q: 3Electromechanics

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A: To find the answers, we can use the following formulas and calculations:1.1 The flux per pole:The…

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A: It is given that: Vs=230 VD=0.4km=0.5 VradsRa=2 ΩN=1400 rpm

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A: Emf induced in a dc machine is given by                   Eb=∅ NZ60×PA       where ∅ is the flux per…

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A: Since we only answers up to 3 sub-parts, we will answer the first 3. Please resubmit the question…

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A: DC Machine Losses include iron Loss (Hysteresis and eddy loss) Cu Loss  (shunt, series, armature…

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A: It is given that:

Q: (e) enciency. Q6 A 460-V series motor runs at 500 r.p.m. Taking a current of 40 A. Calculate the…

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A: We need to find out speed for given motor

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

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A: The relationship between Horse power ( HP ) and Watts is 1Hp = 735W                        = 0.735kW

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Q: A 45-hp dc compound motor takes 75 A at supply mains. It operates at a speed of 500 rpm. The flux…

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

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A: Given DC series motor with Number of poles P=4Armature conductors Z=800Flux per pole ϕ=60 mWbTotal…

Q: A shunt DC motor is supplied by 520V terminals voltage and is used to supply a mechanical load with…

A: The solution can be achieved as follows.

Synchronous Motor

The synchronous motor is an AC electric type motor where at a steady-state the shaft rotation is synchronized with the supply current variable-frequency. To an integral number of AC cycles, the rotation period is exactly equal. The stator of the motor in the synchronous motor contains multi-phase AC electromagnets due to which a magnetic field is created that rotates in time with the oscillation of the line current. The rotor contains a permanent magnet and the rotor rotates in synchronization with the stator field at the same rate and provides the second synchronized magnetic field which is rotating in nature as a result. When the synchronous motor is supplied with independently excited multi-phase AC electromagnets on both the rotor and the stator, it is termed as a doubly-fed machine. The most widely used AC-type motors are the synchronous AC motor and the induction AC motors.