The armature of DC machine has an outer diameter 55cm and effective Length is 25cm, the armature has a wave winding consisting 488 conductors. The number of poles is 6 poles, each pole producing a flux 43mw. Calculate the conductor e.m.f and the total armature e.m.f, when speed is 1000

Q: A two-legged magnetic core with an air gap is shown in figure below. The depth of the core is 5 cm,…

A: The given magnetic core and graph are shown below:

Q: A lap-winding DC machine has 24 coils, 20 turns per coil, and 4 poles. The average flux density per…

A: To arrive at answer, we can use the formula: N = 2PZ where N is the total number of conductors, P is…

Q: An 6 pole, wave connected armature has 580 conductors and its generated e.m.f is 125 V. If the…

A: To solve above problem, one should know the EMF equation of DC generator, which is given by: E…

Q: A six pole wave wound armature has 40 slots. Each slot has 24 conductors and runs at 500 rpm. Find…

A:

Q: For the electromagnet of Figure-a. Find the flux density in the core.b. Sketch the magnetic flux…

A: The magnetic flux density (B) is the ratio of magnetic flux (∅) to area of cross section (A) and…

Q: A 6-pole wave connected armature has 200 conductors and runs at 1000 rpm. The EMF generated is 500…

A: Poles, .Wave wound, .Armature conductors, .Speed, .EMF generated, .

Q: 2. A six-pole lap wound armature rotating at 350 rpm is required to generate 260 V. The effective…

A:

Q: The generated emf

A:

Q: a) What would be the speed of the armature, if flux per pole is 0.007 Wb? b) If the armature is…

A: Given,  Number of poles (p) =6 Number of slots=50 Each slot contains 20 conductors. Hence total…

Q: Q2) In DC machine, the speed is 800 RPM, the flux per pole is 2 m wb, and it has a Lap winding…

A: Given: In a DC machine Speed, The flux per pole, It has Lap winding (means the number of parallel…

Q: A magnetic ring has reluctance of 1.675 x 106 AT weber. The flux to be produced by the coil is 800 x…

A: Given a magnetic ring has, Reluctance = 1.675×106 ATweber Flux = 800×10-6 weber.

Q: Determine the power output of a DC armature having 1152 lap connected conductors carrying 150 A and…

A:

Q: The length of a magnetic circuit in a moving iron instrument is 300mm.The coil around the soft iron…

A:

Q: The armature of 6 pole dic. generator has a wave winding containing 664 onductors.Calculate the…

A:

Q: Example(6): A magnetic circuit containing an air gap is shown in Figure below. With the dimension as…

A: Given data, Ac=Ag=5 cm2=Area of core =Area of air gapg=gap=0.2 cmlc=20 cm=Length of coreN=100…

Q: Determine the magnetic flux (per pole) in a 100-V, 780 watts, PM motor operating at a speed of 1500…

A:

Q: An 2 pole, wave connected armature has 590 conductors and its generated e.m.f is 110 V. If the…

A: We know there is direct formula for generated emf , from that formula we will calculate flux per…

Q: A 6-pole generatro has 600 conductors. If the flux per pole is 20mWb, at what speed must the…

A:

Q: 6 pole, wave connected armature has 520 conductors and its generated e.m.f is 125 V. If the machine…

A:

Q: A simple generator has a square armature 9.0 cm on a side. The armature has 80 turns of…

A: In the circuit, Find the value of frequency f. We know  Emf = 4.44fN Φm .  All parameters are given.

Q: An 8-pole DC machine has a simplex wave-wound armature containing 200 coils of 10 turns each. The…

A: First calculate resistance of each path and then find total armature resistance.  For wave wound no…

Q: A magnetic circuit with a cross-sectional area of 20 cm? is to be operated at 50 Hz from a 120 V rms…

A: Given values are - AreaA=20cm2=20×10-4m2f=50HzVRMS=120VoltBm=1.8T

Q: DETERMINE THE EMF GENERATED BY A 4-POLE SIMPLEX LAP WOUND ARMATURE HAVING 300 CONDUCTORS RUNNING AT…

A:

Q: The total conductor in the grooves of the DA in the figure is 1440 conductors, the length of the…

A: The E.M.F produced by the dc machine is given by the expression as shown below:  E=PϕNZ60AP= Number…

Q: How are eddy current losses affected by the frequency and density of the flux wave?

A:

Q: A DC machine has total armature ampere conductors of 4500 and total flux in the machine is 0.14 wb.…

A: Given information is shown below:

Q: An 4 pole, wave connected armature has 520 conductors and its generated e.m.f is 115 V. If the…

A: Need to  find flux

Q: A 2 pole wave wound dc generator has 44 slots, each slot having 20 conductors. The flux/pole is…

A: The solution can be achieved as follows.

Q: A 4-pole wave wound armature has 120 conductors and runs at 1000 rpm. If the flux per pole is 40…

A: According to the context of the given question, it is required to calculate the generated emf for…

Q: A dc machine has 4-pole, wave wound armature with 46 slots and 16 conductors per slot. If induced…

A:

Q: A lap-winding DC machine has 24 coils, 18 turns per coil, and 4 poles. The average flux density per…

A:

Q: SOLUTION. ANSWERS SHOULD BE IN TWO DE CIMAL PLACES.  The armature of a two-pole dc machine has 30…

A:

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.