B/ Answer the following: 1- Explain the no-load and short circuit tests of induction motor.
Q: QI: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
A: Q1 Given single phase induction motor with Rotating speed Nr=1790 rpmName plate is,150 v,60…
Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
A: Forward slip=Ns-NrNs. Reverse slip=Ns+NrNs. Where Ns is the sycronous speed Nr is roror speed.
Q: At single phase induction motor, with R1 = 9 ohm, blocked rotor test reading: Isc = 4 A, Vsc = 80 V,…
A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
Q: b. Sketch typical torque - speed characteristics for the following classes of Single-Phase Induction…
A: Given following cases of single phase induction motor: Capacitor-Start Induction motor…
Q: Q2B: Draw and explain the Torque-Slip characteristics of the 3-phase induction motor ?
A:
Q: How double field is produced in single phase induction motor? Draw the torque-speed characteristics.
A: single-phase induction motor as the name suggests it is run by a single-phase power supply. similar…
Q: Write a brief On using the Internet of Things (IoT) to control the speed of a three-phase induction…
A: Speed of a three-phase induction motor is given by:- where f = frequency of the motor P = No. of…
Q: Using only the parts needed, wire a DC motor in a short-shunt cumulative compound configuration with…
A: Since we only answer one question at a time. we’ll answer the first question only.Please resubmit…
Q: 22- With neat diagram explain slip ring rotor of 3-phase induction motor. Also draw and explain the…
A: Slip ring rotor of 3-phase induction motor :- The rotor of this motor consists of a cylindrical…
Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rated nameplate is; 150-V, 60-Hz,…
A: Let Ns be synchronous speed =120×604=1800 rpm Nr be rotor speed =1790 We will use fallowing formulae…
Q: b) A 3-phase, 50-Hz, 415V, Y-connected, 4-pole, squirel-cage rotor induction motor, has a per-phase…
A: This is from electrical machines.
Q: 3-phase 3730W, 220V, 6-pole and 50 Hz induction motor operates at full load with a slip of 0.025.…
A: Power developed = output power + friction + windage losses and stray load losses. Airgap power =…
Q: 14.2). Ind the upitance to Be (Electrical Machines-III, Indore Univ. July, 1977) winding for maximum…
A: Please find your answer below in step 2
Q: in Three Phase Induction Motor Load Test , Plot the relationship between the current and all the…
A: 3-phase Induction Motor- When a three-phase stator displaced by 120 degrees (in the space of 120…
Q: Discuss the ratios of no load current, and starting current of three phase induction motor to its…
A: The explanation and answer are as follows.
Q: 3-phase A-connected induction motor has a rated current and a full-load slip of 4 %. Answer the…
A: Given - For three phase induction motor- Direct starting current to rated current = 800% Slip value,…
Q: what is the synchronous speed (rpm) given a six-pole induction motor with 40 cycles/second?
A: In this question we need to find a synchronous speed of the given induction motor.
Q: A single-phase induction motor has an auxiliary winding in which the diameters of the wires used are…
A:
Q: parameters of the exact equivalent circuit for a three-phase, connected, 400-V, 10-hp, 50-Hz,…
A: As per Bartleby guidelines we are allowed to solve only one question with maximum three subparts,…
Q: Q1: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
A:
Q: Ql: A single-phase induction motor is rotating at a speed of 1790 rpm. Its rated nameplate is;…
A:
Q: A single-phase induction motor with a 4-pole, 50-Hz, 130-V, is rotating in the clockwise direction…
A: Single phase induction motor have 4 pole, 50Hz frequency, Rotor speed N= 1450rpm Determine the per…
Q: Indicate the relevant changes in induction motor performance (output power, speed, efficiency, power…
A: Since you have asked more than one question, I will answer the first question and all its subparts.…
Q: 1.why the slip of induction motor is never zero, 2.what happens if the slip of induction motor is…
A:
Q: Question 3 Explain in detail the Starting of Induction Motors
A: According to question we have to explain in detail the starting of Induction Motors.
Q: 7. The rotor resistances per phase of a 4-pole, 50-Hz, 3-phase induction motor are 0.024 ohm and…
A: Slip at maximum torque is the ratio of standstill rotor resistance to standstill rotor reactance.…
Q: Give a comparison among speed control methods of 3-Φ induction motor.
A: In order to implement variable speed drive in an induction motor we have to control the speed. There…
Q: a- Draw the equivalent circuit of three phase induction motor referring all parameters primary to…
A:
Q: e. For an induction motor on no-load, how speed, rotor current, stator current, power factor, and…
A:
Q: (b) A three phase, 5-hp, 60Hz, 115V, 4-pole induction motor is operating at rated voltage, rated…
A: Given, A three phase, 5-hp, 60Hz, 115V, 4-pole induction motor is operating at rated voltage, rated…
Q: Attempt the following: Draw and explain a complete equivalent circuit of single phase induction…
A: Objectives: To draw and discuss in detail the complete equivalent circuit of a single phase…
Q: Q4) discuss two of the following:- a) principle operation of (1Ø induction motor)? b) why is the…
A: The 1-φ induction motor are also called as Fractional horse power or fractional kilo watt motor.…
Q: What is the effect of load on the efficiency of an induction motor?
A: The explanation is as follows.
Q: 1- Give the main purpose of the no-load test in (3 - 0) squirrel cage induction motor?
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Q / What is the benefit, purpose and conclusions of making single-phase induction motors .?
A: consider the given question;
Q: What are the main parts of an single phase induction motor?Explain the function of each.
A: Q1. - What are the main parts of an single phase induction motor?Explain the function of each.…
Q: If we increase the torque (Tm) value, how does the idle and load running state of the induction…
A: Induction motor An induction motor is an asynchronous motor that converts electrical energy into…
Q: 4. In a three-phase induction motor power factor at starting is ..... while running. Why? 5. What…
A: 4) In three phase induction motor power factor at starting is low compared to power factor while…
Q: Q3. (a) For a three-phase squirrel-cage induction motor (SCIM), explain: (i) Why is the motor…
A:
Q: Explain the supply voltage control method to control speed of three phase induction motor. Why this…
A: Solution In the supply voltage control method, if the applied voltage is reduced below its rated…
Q: A three phase, 50Hz, 6-pole squirrel cage induction motor runs at 960-rpm on full load. The stand…
A: F=50 Hz Poles P=6 Rotor resistance per phase R2=0.01 Ω Rotor resistance per phase X2=0.05Ω Full load…
Q: A 415V, 50HZ, 3-phase induction motor supplies its rated power to a b) constant load. The rated…
A:
Q: Q.14. What is slip in an induction motor? Q.15. What is the value of slip at start in an induction…
A: Solution: (14) In INduction Motor sleep is defined as the ratio of the difference in synchronous and…
Q: What are differences in term of construction and working principle between Shaded Pole Induction…
A: The shaded pole motor and the capacitor start motor are the two types of single phase induction…
Q: Q/ Compare synchronous and induction motor in terms of cost, starting methods, speed and torque.
A: An electrical motor is a device that converts electrical energy in to a mechanical energy. Based on…
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- 2-Could you give examples where fast breaking of induction motor is required?A three-phase induction motor, operating at rated voltage and frequency, has a startingtorque of 1.35 times and a maximum torque of 2.2 times, both with respect to its rated-loadtorque. Ignoring the effects of the stator resistance and rotational losses and assumingconstant rotor resistance, determine the slip at the maximum torque;The full load slip of a 4-pole, 60Hz, 440V (line-to-line) three phase induction motor is 0.05. (i). What is the speed of the rotating stating? What is the frequency (in Hz) of the rotor current? (ii). When the output power of the motor is 90 hp at a speed of 1732 rmp, rotational losses (which include frictional and core losses) are 10,100W, while copper losses for both the rotor and stator total 3700W. Determine the motor efficiency and line current, assuming the motor has a 0.8pf lagging under the conditions.
- base on below mentioned Comparison of the performance indexes discuss and advice best induction motor.Explain the principle of operation, constructional features, and excitation Methods for DC MOTORS AND GENERATORS, Series, Shunt, and CompoundA three phase, 4 pole, 3300 V, 50 Hz, star connected Induction motor, has identical primary and referred secondary impedance of value 3+j9 Ohm per phase. Using the approximate circuit, calculate: A. The full load torque at rated slip of 5%. B. The maximum torque at normal voltage and frequency.
- Design and develop equivalent circuit model of a single phase Induction motor with th consideration of core losses present with the parameter consideration of stator resistance R1 and reactance X1 and two rotor parameters which includes r2,x2 and magnetising reactance xm. (Illustration is required) Draw by hand pleasea- Draw the equivalent circuit of three phase induction motor referringall parameters primary to secondary?b- Find Power in induction motor and Power losses in Inductionmachines?electrical machines Explain the load operation test by drawing the test connection diagram of the induction motor.Describe briefly drawing the loaded operating characteristic.
- A three-phase induction motor, operating at rated voltage and frequency, has a startingtorque of 1.35 times and a maximum torque of 2.2 times, both with respect to its rated-loadtorque. Ignoring the effects of the stator resistance and rotational losses and assumingconstant rotor resistance, determine the slip rated load, and the rotor current at starting (as a percentage of the rotor current at rated load). The slip at maximum torque is 0.343 if that helps.electrical machines (How does an asynchronous motor behave when there is a load?) explain by drawing an experiment connection diagram. the loaded experiment of induction motor (asynchronous motor) after that Briefly explain the loaded operating characteristic by drawing.(b) A three phase, 5-hp, 60Hz, 115V, 4-pole induction motor is operating at rated voltage, rated frequency, and 125 percent rated load has an efficiency of 85.4 percent. The stator conductor loss, rotor copper loss and core loss are 223.2W, 153W, and 114.8W respectively. Sketch the power flow diagram, enter the given data, and determine i) shaft speed ii) shaft torque