What are the causes of faulty starting of a synchronous motor ? A synchronous motor starts as usual but fails to develop its full torque. What could it be due to ?

Q: 1) answer the questions below. e) How can we calculate the speed of the induction motor provided…

A: IM is a very important AC machine drive and used in many applications like water pumping system,…

Q: Explain self-controlled synchronous motor drive with neat diagram.

A: A Self Controlled Synchronous Motor Drive consists of a load commutated thyristor inverter.the…

Q: Explain how you can adjust the speed of the asynchronous motor to different values, provided that…

A:

Q: What happens to a series connected direct current motor if its field winding opens at full load?

A: DC Series motor :- In DC series motor, there are two windings, "armature winding & series…

Q: Application of Synchronous motor ?

A: Some application of Synchronous machine: Power factor improvement Voltage regulation Constant-speed…

Q: What is the synchronous speed of a motor that has four poles and is operating on 60 Hz?

A: Given:  Number of poles P = 4 Frequency F = 60 Hz We need to determine the synchronous speed of a…

Q: Q/ How does the synchronous motor work? Why can't the synchronous motor start on its own?

A: This is a good question based on simple electrical machine. And the chapter is basic circuit of…

Q: why automatic re-closers are not recommended in a system where large numbers of induction motors are…

A: Automatic Re-closer It is a protective switch-like circuit breaker designed to operate at a very…

Q: w can the direction of rotation of a DC unt motor be reversed?

A: DC shunt motor provides constant speed regardless of load.

Q: Briefly explain the methods of starting synchronous motors.  please write it with computer

A: Starting of synchronous Motors:   A synchronous Motor is not a self starting. It can be started by…

Q: Induction motor speed control technique with bad torque response to sudden changes is O V-F control…

A: Induction motor speed control technique with bad torque response to sudden changes is

Q: Why induction motor cannot run on synchronous speed? Explain using slip.

A: In an engine, simultaneous speed is the speed at which the attractive field pivots. Contingent upon…

Q: Name three characteristics that make the synchronous motor different from an induction motor?

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Q: Synchronous motor when the load is taken completely while working at full load in all properties…

A: Synchronous motor is constant speed motor always rotates at synchronous speed Ns =120fP

Q: Why did the synchronous motor stop as soon as we set the speed of the prime mover to  2500 rpm then…

A: As we know that in synchronous motor we have to give suppy from stator to produce three phase…

Q: lue increase as the torque value increases?

A: An asynchronous motor is also known as an induction motor. A three-phase balanced supply is provided…

Q: What determines when a synchronour motor is at normal excitation?

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Q: 1. At what speed will a synchronous motor operate if it has 10 poles and is connected to a 50-cycle…

A: here we have to find the synchronous motor speed if it has 10 poles when we have different cycle…

Q: In Synchronous Motor Operation How the regulating characteristics can be obtained from V curve?

A: The V curve is the graph between the stator current and the field current for different loads on the…

Q: Why must a synchronous motor never be started when DC excitation is applied to the rotator

A: The motor will not turn and the induced voltage on the rotor can damage to power supply for the DC…

Q: Why is it that the induction motor operate less than the synchronous speed?

A: The synchronous speed of an Induction motor can be explained as the speed of rotating magnetic field…

Q: Why do large induction motors sometimes cause a dip in the supply system voltage when they are…

A: The reasons for the Voltage sag or Dip in the Voltage : 1.The Large Induction motors usually draws 6…

Q: What is the effect of changing the sequence of 02 phas in the electric feeder (single phase,…

A: According to Bartleby guidelines we are supposed to answer only one question at a time if they are…

Q: Can an induction motor operate at the synchronous speed?Why?

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Q: is the following correct? True or false? In order to change the rotation direction of the…

A: In order to change the rotation direction of the asynchronous motor, it can be reversed by any two…

Q: a) If the torque pulled from the shaft is doubled while the asynchronous motor is working in the…

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

Q: A 3-phase, 4-pole, synchronous motor is running at 1500 rpm. If the frequency, number of poles and…

A: Given values are - P1=4N1=1500f1=fP2=P12=42=2f2=f12=f2

Q: If a 60-Hz synchronous motor is to be operated at 50 Hz, will its synchronous reactance be the same…

A: Synchronous motor runs at synchronous speed.

Q: Induction motor speed control technique with bad torque response to sudden changes is O V-F control…

A: Induction motor speed control technique with bad torque response to sudden changes is...

Q: What is difference is synchronous and a synchronous motor?

A: There are many differences between synchronous motor and asynchronous motor. 1. In synchronous motor…

Q: A 4-pole, 60 Hz, 3-phase induction motor has a blocked rotor reactance of 0.4 ohm per phase and the…

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Q: How does the starting torque responsible in the use of the starter for the 3 phase induction motor

A: In the 3 phase induction motor, the value of the armature resistance is kept minimum to avoid the…

Q: Discus

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Q: Why is the starting torque of the series motor high?

A: The explanation is as follows.

Q: Questions: 1-why does the speed fall slightly when the d.c. shunt motor is loaded?

A: Since you have posted multiple questions and not specified which question to solve. We will solve…

Q: What is the reason of the "pendulum" in a synchronous motor and how can it be corrected?

A: The term "pendulum" in a synchronous motor defines "Hunting". Hunting is such a phenomenon of…

Q: 1. How can you reverse the direction of rotation of a synchronous motor? 2. What effect does varying…

A: 1. The direction of rotation of a synchronous motor can be reversed by interchanging any two of the…

Q: Type your question here The rotor of a 4 pole, 50 Hz, slip ring induction motor has a resistance of…

A: As per our policy we can provide solution of first question only. As we have given: P=4f=50…

Q: Define pull out torque and what are the points to be considered when the load on the synchronous…

A: The pull out torque in the motor is expressed as the highest or maximum value of torque developed by…

Q: Synchronous motor idle and load operation same as excitation (Iu) current Does it show specifics?

A: Synchronous Motor- The synchronous machine may be used as a motor or power factor compensator…

Q: O Explain the reason for that The induced torque of the motor is zero at synchronous speed.

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

Q: How can the induction motor be determined with the condition that the asynchronous motor driver…

A: Speed Control of IM There are many methods to control the speed of IM   Variable Voltage Control…

Q: Why can’t Synchronous motor start by itself. What techniques are available to start a synchronous…

A: Synchronous motor can not start by itself and the reason is, When a stationary rotor is fed by a DC…

Q: What is the reason why a synchronous motor can be found running at no load?

A: we need to explain synchronous motor.

Q: What determines the rotation of a shaded-pole motor

A: A shaded pole motor is a type of single phase induction motor. It is an AC motor.