Find the slip, the powers converted,air gap, output and efficiency of a motorthree-phase induction in Y of 138.56 V of voltage ofphase, 60 Hz and 50 hp, which is supplied with 35 A at apower factor of 0.85 lagging. The losses are: copper stator, 2.5 kW rotor, 750 W friction and friction, 650 W and from the core, 1850 W, Negligible miscellaneous losses.

Q: A 4 pole generator with wave wound armature has 58 slots each having 24 conductors. The flux per…

A: Given :For wave connection, A= 2  No. of Pole, P= 4 Slots= 58, each having 24 conductors So, Z=…

Q: 1-R2(1/s-1) in induction motor parameter represents a. non indcutive resistance of mechanical load…

A: in an equivalent circuit of induction motor at running we have a resistance of R2s  but at stand…

Q: Which type of wind turbine has a higher cut-in speed and lower efficiency? O a. VAWT- drag type O b.…

A: Which type is wind has higher cut in speed and lower efficiency

Q: Q2: A 6-pole, wave wound generator has 48 slots with 20 conductors in each. the flux per pole is…

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Q: Out of the following four sources of losses in a dc generator which one is minimum? O Copper losses…

A: We need to select correct option for losses in dc generator .

Q: T-a. The direction of rotation of a single-phase split-phase motor can be change by........ a)…

A: According to guidelines we need to solve only the first question. According to the question, define…

Q: In DC shunt generator the type of current flows in field winding is AC whereas in armature winding…

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Q: The internal characteristics of DC shunt generator can be obtained from *

A: Internal characteristics of DC shunt generator obtained by the relationship between the generated…

Q: ) the armature windings of a 12-pole DC machine are composed of 72 coils with 10 windings, and the…

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Q: : A three phase alternator is rated at 120 mva,13.2 kv,0.8 pf lagging, and 60 Hz. direct axis…

A: In the given question we note that  A three-phase alternator is rated at  120 MVA  , 13.2 Kv Power…

Q: A short-shunt compound wound generator has a shunt field resistance of 77 ohms, a series field…

A: In this question We need to determine the output delivered power of the short shunt compound…

Q: QUESTION 12 An 6.6 kV, three-phase star-co armature resistance is 1.2 Qa Determine efficiency of the…

A: Line voltage Full load current I = 200 A.Power factor = 0.8 ( Leading ).Armature resistance per…

Q: At standstill, the impedances of the inner and outer cages of an induction motor are Z, = 0.02 + j2…

A: The impedance of the inner cage at the slip s is given as,  Zi=0.02+j2 ΩZI=0.02s2+22 The impedance…

Q: What are the important factors that you need to consider when deciding which option you would use…

A: electronic product design has various factor for the electronic device which we want to make . so…

Q: Calculate the flux per pole required on full-load for a 50 kW, 450 V, 8-pole, 600 r.p.m. d.c. shunt…

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Q: In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find…

A: Given, A lap winding dc machine with, Total number of conductors, Z=100. Total number of parallel…

Q: A shunt DC generator has no load terminal voltage of 140V. Armature resistance is 1ohm and shunt…

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Q: Example 2: a 3-phase SM its armature resistance is 0.50 and syn. Reactance is 0.86692/phase. The…

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Q: A 4 pole generator with wave wound armature has 52 slots each having 26 conductors. The flux per…

A: In this question we need to find a speed of wave wound genrator when induced voltage is 225 V and…

Q: B) A 3-phase, 1500 kVA, 13.2 kV Y-connected synchronous generator, is supplying a real power of 120…

A: b..>> The machine is delivering kVARs to Load. So the machine is over exited. So the field…

Q: A balanced three phase induction motor has an efficiency of 0.85 when its output is 44.76 kW. At…

A: In this question,   We need to determine the slip of the induction motor?  If output power Po=…

Q: 0.07 ohm, respectively. In order to make the generator flat-compound, so that it will have a no-load…

A: Given 10kW  250V compound generator  No load voltage 230V  Shunt field has 800 turns per pole  And…

Q: Example 4-3. A 480-V, 50-Hz tor has a per-phase synchrocous reactance of 1.0 (0. Its full-load 60 A…

A: Synchronous Generator:  A synchronous generator is a synchronous machine that uses electromagnetic…

Q: 3-phase 3730W, 220V, 6 pole and 50 Hz induction motor operates at full load with a slip of O.025.…

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Q: d.c. shunt generators in parallel, ench having an armature resistance of 0.1 0, running at the same…

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Q: For DC shunt generator, external characteristics is the relationship between Answer:

A: For DC shunt generator, external characteristic is the relationship between

Q: An electromagnet has a movable iron part and dimensions of magnetic circuit with uniform cross…

A: a) R= 1697652.73 H-1, L= 9.694 mHb) flux= 70.69 micro Wb, flux density= 0.118 T, field intensity of…

Q: 1. Write down some advantages and disadvantages of different connections of three-phase transformers…

A: Write down some advantages and disadvantages of different connections of three-phase transformers.…

Q: 3. Stability requirements limit the power-handling capability of: a. Long lines. b. Short lines. c.…

A: Stability requirements limit the power - handling capability of Long lines.  Option A is the correct…

Q: 7) The flux per pole of a four-pole generator is 0.05 wb. It driven at a speed of 1500 rpm. In order…

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Q: No load test was conducted on a three phase induction motor at different input voltages and the…

A: In induction motor, overall constant loss will be the sum of iron loss and mechanical loss. But…

Q: A long shunt compound generator delivers a current of 10A at 200V and has a series field resistance…

A: We will solve for the series field current in this question. A slight ambiguity is arising in the…

Q: C 4 Pole generator has a lap wound armature with 30 conductor per slot. The flux per pole is 30mWb…

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Q: Differentiate the types of commulative compound do generator. Explain how the DC Generator building…

A: On each pole of a compound wound generator, there are two sets of the field winding. With the…

Q: IM

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Q: Explain Compound DC. :- generator, types also describe its and terminal characteristics of compound…

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Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.