A 6-pole, 3-phase, 550 V, 50 Hz induction motor develops a power of 22.38 (10) kW at a speed of 950 rpm. The mechanical losses are 1.492 kW and the power factor is 0.88. Calculate for this load (i) the slip (ii) the rotor copper loss (iii) the total input if the stator losses are 2000 W (iv) the efficiency (v) the line current

Q: What will be the operating power factor of a 3-phase induction motor, whose ratings are 230 V, 50…

A: Given-          V=230Vf=50 HzP=120 hppoles=4η=92%il=260 Acore loss=1710 Wstator loss=2830 W…

Q: If the prime mover torque suddenly falls by a considerable amount, the damperwinding of the…

A: The objective of the question is to understand the role of damper windings in an alternator when…

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: The induced voltage in dc motors beyond the pole edges is Select one: O a. infinity Ob. 180 V OC.…

A: induced voltage=eind=(BxV).leind=(BxV).leind=BVlSinθB=Magnetic feildV=Velocityl=Lengthθ=angle…

Q: What are the similarities and dissimilarities of a 3-phase induction motor and a transformer?

A: Similarities of a 3-phase induction motor and a transformer Both 3- phase Induction motor and…

Q: Q2: If the rated frequency for an induction motor is 60 Hz and the maximum tonque Tm is 100 N.m,…

A:

Q: induction motor is rated 5 HP, 75% power factor and 220 V. What approximate size of capacitor (VAR)…

A: We need to find out VAR size for increased power factor

Q: The voltage regulation of an alternator having 0.75 leading power factor load, no-load induced emf…

A:

Q: . What are the various losses in an induction motor? On what factors do they depend

A: The fallowing are the various losses that occur in an induction motor:

Q: a. A 5-kW AC motor has a power factor of 65% lagging when it is connected to a 200-V 50-Hz mains.…

A: In this question,  We need to determine the current before connect the capacitor and after…

Q: The dc series motor has a linear torque- speed characteristics. O True O False

A: The dc series motor has a inverse torque-speed characteristics.

Q: 440-V alternator operating from a 30-hp prime mover turning at full capacity produces 20 kW into a…

A: We need to find out effeciency and rotor speed .

Q: What are the losses types of 3-phase induction motor?

A:

Q: H. W.: A 35 kW induction motor has power factor 0.9 and efficiency 0.9 at full-load, power factor…

A: The complex power in an AC system is defined as the product of rms value of applied voltage and…

Q: If the prime mover torque suddenly falls by a considerable amount, the damperwinding of the…

A: The objective of the question is to understand the role of damper windings in an alternator when…

Q: The voltage regulation of an alternator having 0.75 leading power factor load, no-load induced emf…

A: Given: An alternator no load induced emf, Vnl=2400 V Terminal full load voltage, Vfl=3000 V Load…

Q: The power supplied to a three-phase induction motor is 20kW and the stator losses are 1000W. If the…

A:

Q: a) In an alternator, the armature reaction influences the magnitude of Wave form of generated…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: ----- In d.c. generators armature reaction is produced by armature current O none of the mentioned O…

A:

Q: 2. A 36, 60 Hz, 6 pole, wye-connected induction motor is rated at 600 hp (1 hp = 746 W) and 800 V.…

A:

Q: 1. The operation of Commutator in DC Motor is O a) to convert dc to ac O b) to convert ac to dc O c)…

A:

Q: A 110-V, 50-Hz single phase induction motor (split -phase) has the following constants for the main…

A: In split phase induction motor main winding and auxiliary winding are connected in parallel. At the…

Q: The plate of an induction motor include the following data: P=2364W, cos(phi)=0.95, 50HZ, 234rpm,…

A:

Q: Steam enters an adiabatic turbine at 6 MPa and 550 °C and leaves at 10 kPa and 50 °C. If the…

A: Let, T0=0°C=273 K it is given that at P1 =6 MPa; T1=550°C hence  h1 = 3540 kJ/kg              s1 =…

Q: 5. A 25 MVA turbo-alternator is working on full load at a power factor of 0-8 and efficiency of 97%.…

A: Given data S = 25 MVA pf = 0.8 efficiency = 97% loss by internally circulating air =90 % of total…

Q: ideal Diesel cycle

A:

Q: A 25cps single-phase, 8-pole, alternator with 725 mWb flux per pole has 288 slots. The machine coil…

A:

Q: R1 jX1 jX2 -> IM R, RC jXM E1 S

A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…

Q: A) Although the magnetic field for each phase of a 3-phase induction motor is merely switching back…

A: For a 2 pole, 3 phase stator winding, the three windings are displaced from each other by 1200 along…

Q: The voltage regulation of an alternator having 0.75 leading power factor load, no-load induced emf…

A: Power factor decides only the terminal voltages But once the voltages are known  Power factor has no…

Q: The field windings of a series motor has a resistance of 180 ohms at 30 degree Celsius. After…

A: In the question, The field windings of a series motor has a resistance of 180 ohms at 30 degree…

Q: The impedance of the main winding of a single-phase induction motor is (9+j5) Q. The impedance of…

A: Given data, Zm=9+j5Za=4.5-j10V=120 Vf=60 Hz Now, Current in the main winding is…

Q: Electrical Machines A 4-pole single-phase induction motor is rotating in a clockwise direction at a…

A: Given- 4-pole single phase induction motor, Number of poles P=4, Frequency f=50 Hz, N=1000 rpm,…

Q: The torque developed by a dc series motor is 12 N-m when drawing 23 A. If the current is doubled,…

A: Need to find new torque

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.