A 460 V, 4 pole, 50 hp, 60 Hz, Y connected three phase induction motor develops its full load induced torque at 3.8 % slip when operating at 60 Hz and 460 V. The per phase circuit model impedances of the motor are Q2 (a) R1 = 0.33 N Хм — 30 0 X1 = 0.42 N X2 = 0.42 N Mechanical, core, and stray losses may be neglected in this problem. Find the value of the rotor resistance R2.

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A: Given- Number of poles P=6, DC generator- wave-wound armature, 30 coils of 5 turns each, Number of…

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A: In dc machine field winding is statinary and armature winding is rotating.

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A: When Armature current flow in the Armature conductor, it generates a additional Flux inside the…

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A: FLEMING'S LEFT HAND RULE: Fleming's left hand rule states that"if we stretch our thumb,the…

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A: In this question we need to answer in DC genrator what we use for smooth rotation of armature.

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A: Discussion about  1.Losses in a DC generator 2. Power stages in a DC generator 3. Efficiency of a DC…

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A: To write the characteristics of separately excited Generator

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A: The data given in the question are: P=6, A=2, Z=34,ϕ=20mWB,Eg=53V The formula of generated voltage…

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Q: iii. Induced emf in the coil if the current fall from 3A to 1A a. 420V b. 620V c. 0.62V d. 0.42V

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A: From the given figure we can see that ; Damping frequency - wd =8 rad/sec

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A: Normally designed dc machine

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A: The answer is Generator

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A: From figure, jwd=j2 wd=2 rad/s

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A: We need to tell about the haeavy duty machine which bearing is used .

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A: The derivation is as follows.

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A: The explanation is as follows.

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A: we have to choose the correct reason of the given question.

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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.