Q4) discuss two of the following:- a) principle operation of (1Ø induction motor)? b) why is the starting torque of a split-phase motor not-high ?
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: Q3) Why can't run a (Series - DC motor) without a load??
A: Series motor never started at no load.
Q: PLS ANSWER AS SOON AS POSSIBLE The rotor resistance and reactance per phase of 4-pole, 50 hz,…
A: The solution is given below
Q: Q2B: Draw and explain the Torque-Slip characteristics of the 3-phase induction motor ?
A:
Q: 4: Explain the Speed Torque Characteristics of Three phase induction motor. Additionally, present a…
A: The Speed Torque Characteristics- 1. At no load condition, the rotor slip and frequency are very…
Q: Explain the construction , working principle and derivation of the torque induced in a DC Motor .…
A:
Q: 5.a. A motor which is designed with nonstandard operating characteristics is classified as a A.…
A: Motor:- It converts electrical form of energy into mechanical form of energy. Fans, disk drives,…
Q: 1-The main disadvantage of Rheostatic control method of a dc shunt motor, that the speed up to zero…
A: In this question , some statements are given related to dc machines , we have to find out that they…
Q: Besides low cost, what are five desirable characteristics for an induction motor?
A: Characteristics of an induction motor besides slow cost are as follows 1) It has high pull out…
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: What is the value of the slip of an induction motor at rated speed?
A: Answer:The value of slip is zero.
Q: 2-1 Discuss different types of DC motor, Draw equivalent circuit and Torque speed characteristics…
A: Since you have posted multiple different questions. we will solve the first question for you. To get…
Q: 3. Compare 3 phase synchronous motor with 3 phase induction motor as regards : (i) cost and size , (…
A:
Q: B) A 120-V, 50-Hz single phase induction motor (split -phase) has the following constants for the…
A: The solution for single phase induction machine is very easy and it can be solved as below
Q: Q5//Answer for the following question: 1- Can we get maximum torque at start in an induction motor,…
A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…
Q: The armature winding of a 4-pole, 250-V DC shunt motor is lap connected. There are 130 slots, each…
A: According to the question we have to find the value of the gross torque, useful torque and…
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: Q4. What do you mean by circle diagram of a 3-phase induction motor? Answer the following: (i) (ii)…
A: A circle diagram, a graphical representation of the performance of an electrical machine. This is…
Q: Answer by true or false * True False - In speed control of dc shunt motor, if the armature voltage…
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: Sketch armature current (y-axis) - torque (x-axis) characteristics of compound DC motor for three…
A: A compound DC motor connects the armature and fields windings in a shunt and a series combination to…
Q: Q2: Find out the sufficient answer with a brief explanation of the reason? write fomula if it found?…
A: We are authorized to answer first three parts only. As you have not mentioned which part to answer.…
Q: Q3. Explain why the 1-phae induction motor needs the auxiliary winding? Analyze the different split…
A:
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: Q4) Is an induction motor self-starting? Clarify this on the Torque/Speed characteristics
A: Self starting motors are the motors which don't require any external startup to develop initial…
Q: What is the effect of load on the efficiency of an induction motor?
A: The explanation is as follows.
Q: 5. (a) What would be the effect on the speed-torque characteristics of an induction motor produced…
A: (a) The torque developed in the induction motor is directly proportional to the square of the supply…
Q: d) What happen to the speed of shunt DC motor if when the field resistance is adjusted to be…
A: Speed of the DC motor is inversely proportional to field flux.
Q: Q / What is the benefit, purpose and conclusions of making single-phase induction motors .?
A: consider the given question;
Q: Three-phase 460-hp, 415 V, 4-pole, 50 Hz induction motor is operating at overvoltage of 480 V and…
A: Given data P=460hPV=415VPoles=4F=50Hzover voltage=480 VStator conductor losses=12.6 KWRotor…
Q: 1. What is the formula for torque production in a single-phase induction motor? Draw a vector…
A: "Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: PLEASE ANSWER QUICKLY
A: The main differences between AC and DC motors are, 1. The AC(Alternating Current) motors works on AC…
Q: 5. Obtain an expression for the condition of maximum torque of an induction motor. Sketch the torque…
A: We have to derive the expression when the torque of the induction motor is maximum. Thus, I chose…
Q: A 3-phase induction motor, 440-V, 50-Hz, 6-pole, delta-connected has the following…
A: Question contained many subparts and each subpart has multiple subparts. We are authorized to answer…
Q: a) What is the operating principle of induction motor?
A: As per the honour code I will only do part a question 1. Kindly repost the other questions again.…
Q: A 3 phase, 50 Hz, six pole induction motor has a rotor resistance of 0.1N and reactance of 0.92 N.…
A: Given values are - Rr=0.1ohmXr=0.92ohmSfl=3%=0.03
Q: A 75 kW, 440 V, V-connected ,3-phase, 6-pole, 50 Hz wound rotor induction motor has a full load slip…
A: Given that E = 440 V S = 0.04 Smax = 0.2 X1=X2 = 0.5 ohms per phase Maximum torque and starting…
Q: Q3. (a) For a three-phase squirrel-cage induction motor (SCIM), explain: (i) Why is the motor…
A:
Q: Q2: A single-phase induction motor with a 4-pole, 50-Hz, 130-V, is rotating in the clockwise…
A: Slip of Induction motor is sycronous speed-rotor speedsycronous speed Forward branch resistance…
Q: -Could you give examples where fast breaking of induction motor is required?
A: Braking of induction motor is nothing but a process to stop a induction motor. In braking Motor…
Q: a- Explain the difference in the Torque-Speed Characteristics of DC Shunt and series Motors.
A: According to guidelines we need to solve only the first question. According to the question, Explain…
Q: 8) What is an advantage if the starting Torque of the induction motor is higher than the nominal…
A: a) Torque is basically a force when applied to an object rather than push or pull the object it…
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). Speed characteristics of dc series motor along with suitable diagram. b). Speed characteristics…
A: This question is from " ELECTRICAL MACHINE". Under which we are going to study about the performance…
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: Q4/B/ What are the principal characteristics of a series DC motor? What are its uses? Core
A: There are mainly three principle characteristics of dc series motor Torque vs armature current :…
Q: Q1.State and discuss briefly of the various methods of speed control of Linear Motor? Q1.Sketch a…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: Explain the speed-current, torque-current and speed-torque characteristics of dc series motor.
A: we need to draw speed current, torque current and speed torque characteristics of dc series motor.
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- The armature winding resistance of a long shunt connected DC generator is 0.4ohm, the resistances of the shunt and serial field windings are 125 ohms and 0.1 ohms, respectively. While the generator supplies 8KW of power to the load it feeds, which is the voltage it produces since the output voltage is 250V?A short shunt compound DC generator supplies a load current of 10A at a voltage of 10 volts. If the resistance of armature, shunt field and series field windings are 0.001 ohm, 1 ohm 0.00 ohm respectively. a) Draw the the figure. And find the generated voltage.What is auto transformer and name its one disadvantage?
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- A Y- connected, 10-KVA, 230- has a field winding resistance of 4.59. At an operation of 0.85 lagging power factor, the excitation current is recorded at 10A. the core loss is 300W, and the mechanical loss is 200W. If the corresponding efficiency is 84.9%. calculate the per- phase armature winding resistance.In alternator armature winding why we prefer : a- short pitch winding w.r.t. full pitch winding? b- distributed winding w.r.t. concentrated winding? c- double layer winding w.r.t. single layer winding?a. Explain the terms, coil span, coil pitch, short pitching and chording of coils.b. Equalizer rings are needed in lap wound dc machines not in wave wound explain the reason andthe use of equalizer rings with the help of an example.c. What are dummy coils?d. What is the purpose of using short-pitched coils in ac windings?