A 440V, 60Hz, 10 pole delta connected induction motor is rated at 100KW. The equivalent parameter for the motor are: Rs = 0.15 Ω                                     R2` = 0.15 Ω Xs = 0.3 Ω                                          X2` = 0.2 Ω Xm = 6 Ω                                            R c = 120 Ω At full load condition, the friction and windage losses are 600W. The slip of the motor is 0.04. Calculate:   The stator line current Is ? The input power ? Stator copper losses ?

Q: At startup, line connected induction machines can draw up to X times their rated current. 4 0.5

A: The rotor impedance of the induction motor when parameters are referred to the primary: Z=Rs+jX At…

Q: Q5. Which of the following types of 1-phase induction motor has the lower power rating? (a)…

A: Shaded Pole Induction Motor: The motor consists of salient poles and a squirrel cage rotor. A…

Q: • T or F, modify the wrong part if False, please underline twice your answer if True or False.  At…

A: It's a FALSE statement

Q: 2) A 460-V, 60-Hz, four-pole, Y-connected induction motor is rated at 25 hp. The equivalent circuit…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: A two-pole Y-connected synchronous generator has a voltage level of 2300 V, a capacity of 1000 kVA,…

A: Given P=2 V=2300 V S=1000 kVA pf=0.8 lagging Ra=0.15 Ω Xa=1.1  Ω f=50 Hz PFW=24 kW Pcore=18 kW

Q: Shunt generators are most suited for stable parallel oneration because of linear voltage…

A: The best kind of DC generator for reliable parallel operation is a shunt generator because of its…

Q: Calculate the rotor reactance per phase of an 8 pole, 50Hz, 3Ø induction motor which develops a…

A:

Q: A single-phase, 120 V, 60 Hz, four-pole, split-phase induction motor has the following equivalent…

A: Given: The values of resistance and inductance for main winding are : R=1.5ΩX=2.5Ω The value of…

Q: A 3-phase 440V, wye connected induction motor has a star-connected stator and delta connected rotor…

A:

Q: * Magnetic flux of D=0.0033 Wb induces 216 V in the phase of an induction motor stator winding with…

A: In this question we will find no of turns in winding....

Q: A 3-phase induction motor will not start from standstill if one of its lines is open. True False

A: The correct option is False. A 3-phase induction motor will not start from standstill if ine of it's…

Q: A 10-pole, 3-phase induction motor operates from a supply with frequency 55 Hz. Calculate the speed…

A:

Q: A single phase 240V, 2.5Hp induction motor draws 12A and consumes 2.4KW. Determine motor power…

A: True power =2.5 Hp                    =2.5×746=1865 Watt Apparent power = 2400 Watt Calculate power…

Q: 1-1A current draws when a 40V DC voltage is applied to a Monophase AC motor.When 200V- 50HZ AC with…

A: Given,when, V=40 V, I = 1AWhen, V= 200V, I=4Af=50 Hz Power coefficient = 0.9

Q: 17. A small single phase, 240 V induction motor is tested in parallel with 160 N resistor. The motor…

A: It is given that: V=240 VR=160 ΩIm=2 AIT=3 A

Q: When 40V DC voltage is applied to a single-phase AC motor, it draws 1A current. When 200v-50Hz AC is…

A: When a dc voltage is applied , the power consumed will be real power = 40*1 = 40 W (v*I). When ac…

Q: A 120 V, 60 Hz, single-phase induction motors 1 and 2 are connected in parallel. Motor 1 takes a…

A: Given: 120 V, 60 Hz 1-phase Induction Motors connected in parallel. Motor 1 current, I1=4 A and…

Q: The power input to the 3-phase induction motor is 50 kW and the corresponding stator losses are 1…

A: Given- A 3-phase induction motor- Power input=50 kW, Stator losses = 1 kW, Slip s=4%=0.04, To Find-…

Q: Three phase induction motor develops a torque which depends on mechanical power developed and rotor…

A: We need to tell about the given statement is true or false.

Q: QUESTION 19 E-06, PC-02. Three inductors 15 mH, 15 mH and 15 mH are connected in series. What is the…

A:

Q: A synchronous motor with developed power of 3.2 MW at 0.85 pf leading. If the efficiency developed…

A: Developed power Power factor Efficieny

Q: The torque developed by a dc series motor is 44 N-m when drawing 17 A. If the current is doubled,…

A:

Q: A large 3-phase, 4000 V, 60 Hz, squirrel-cage induction motor draws a current of 385 A and a total…

A:

Q: The torque developed by a dc series motor is 32 N-m when drawing 17 A. If the current is doubled,…

A:

Q: One of essential condition for paralleling two DC generators is     Equal current     Correct

A: Paralleling of DC generators is performed to have greater reliability.

Q: To control a three phase motor from two different places we need two contactorns Select one O True O…

A: In this question , we have to find how many contactors used to control a three phase motor from two…

Q: The rotor power output of three phase induction motor is 15 kW. What would be the rotor copper loss…

A: Given the rotor power output of three phase induction motor is, Rotor Po/p=15 kW Slip, s = 4 % =…

Q: T or F, modify the wrong part if False, please underline twice your answer if True or False.…

A: In an alternator the armature current is in range of Kamp , so it is difficult to handle the large…

Q: A 3 hp ,380 V , three-phase induction motor has 0.85 p.f and efficiency of 80% .The full load…

A: Option A . 4 A is correct answer. Explanation :     Given  P= 3 HP = 3 ×746 Watt  V=380 V  pf =…

Q: 2. A 220V 30 6poles 50Hz induction motor is running at a slip of 3.5 %. Find the following: (a) slip…

A: 2. Given, 3-phase induction motor having  Supply Voltage, V = 220 Volts Number of poles, P = 6…

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

Q: T or F, modify the wrong part if False, please underline twice your answer if True or False.  A…

A: In DC series motor series field winding Carrie's current of armature. Series field flux is…

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.