Demonstrate the open and short circuit test on synchronous machine with the help of circuit diagram. Also discuss that why we need of this test?

Q: Discuss how to control the induced voltage of shunt excited generator, discuss the excitation…

A: Let a shunt generator circuit, Generated emf equation, Eg=V+IaRa                         Ra is…

Q: What is the meaning of the word, synchronous machine falling out of step?

A: as the name suggests the synchronous machine generally rotates at a synchronous speed.

Q: A shunt generator supplies a 37kW load at 230V through cables of resistance, R = 112mQ. If the field…

A: Dc shunt generator arrangement is shown in figure.

Q: 6) The differential compound generator has a sharp dropping load characteristics because its…

A: Ans . False

Q: Damping factor and the undamped natural frequency for the position control system is given by....?

A: The characteristics equation of the position control system is expressed as:

Q: The voltage regulation of synchronous generator is defined as the rise in voltage when the load is…

A: Voltage regulation:- it is defined as the measure of change in the voltage magnitude between the…

Q: Compare the curve above for Shunt Excited DC Generator Open Circuit Characteristics and the curve…

A:

Q: A) Highlight the main disadvantage of the ON-OFF control.

A:

Q: Voltage drop due to IaRa is at right angle to Ia in synchronous machine working at lagging power…

A:

Q: Define and give the construction of a synchronous motor.

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Describe the merits of buckhholz relay

A: Buchholz Relay is used for the protection of transformers it is also called fundamental device of a…

Q: 1- Prove from the first principles an expression for the generated EMF at the armature of DC…

A:

Q: 3. The best indicator of rotor angle stability in a power system is 4. The short circuit current of…

A: Solve the problem

Q: Demonstrate starting process of synchronous machine in detail Also discuss in your own words that…

A: Starting of synchronous Motor: 1.When 3 phase currents are flowing in 3- on stator of synchronous…

Q: i) Draw the wave forms of triggering pulses given to VSI of three phase Induction Motor drive…

A: Let the voltage source inverter of the three-phase induction motor is triggered in 1800 conduction…

Q: In speed coontrol of dc motor, the tachogenerator is used as control unit. Select one: True False

A: Tachogenerators are also called as tachometer generators. The tacho generators are used to generate…

Q: Increasing the length of the air gap of DC machine reduces the Armature reaction effect. Select…

A: In this question, we will see effect of length of air gap on armature reaction...

Q: Discuss the importance of the capability curve of a synchronous machine. Explain how a capability…

A:

Q: Explain the DC Machine losses in briefly.

A:

Q: A shunt generator supplies a 36kW load at 200v through cables of resistance, R = 100mN. If the field…

A:

Q: How can we keep terminal voltage at constant level even when the load is gradually increases in…

A:

Q: Damping factor and undamped natural frequency for the position control system is given by what?

A: For the position control system, the characteristics equation is expressed as:

Q: Discuss in detail about the steady state performance synchronous machine operation, when connected…

A: The steady-state characteristics of a synchronous motor :   It can be represented by phasor diagrams…

Q: Decreasing the length of the air gap of DC machine reduces the Armature reaction effect. Select one:…

A: A Brief About Armature Reaction:- The effect of magnetic field produced on the main field flux is…

Q: Asiacell In the experiment of finding the parameters of synchronous machine, the ac value of the…

A: As per Bartleby guidelines we are allowed to solve only one question,please ask the rest again.

Q: The breadth factor for 3rd harmonic emf of a 3 phase, 4 pole, synchronous machine having 36 stator…

A: Given a 3-phase synchronous machine having, 3rd harmonic, r =3 Number of pole, P = 4 Number of slots…

Q: With appropriate vector diagram and necessary parameters give a detail modelling of synchronous…

A: An alternator is a rotating machine, generating alternating voltage in case of dc machine, the…

Q: What is the Difference between (Cumulative compound & Differential compound DC generator)??

A:

Q: Draw and explain the operation of H-type with 4-switches per phase drive circuit and the drive…

A: A stepper motor is brushless dc motor that devide a full rotation into saveral equal steps. The…

Q: Q#5: Demonstrate the step angle of stepper motor, on which factors the step angle ofstepper motoris…

A: The name Stepper Motor implies that the rotor movement is made up of a series of discrete steps.…

Q: 4. Why is the fall in the terminal voltage for the external characteristic greater in shunt…

A: The electrical machines can be motor or generator. The generators convert the mechanical energy into…

Q: Briefly describe the operation of the buck chopper.

A:

Q: Question 4 a) The losses in a synchronous machine affect its cost, rating, and performance. With aid…

A: NOTE: Since you have posted multiple independent questions in the same request, We will solve the…

Q: A shunt generator supplies a 32kW load at 230V through cables of resistance, R = 110mQ. If the field…

A: A DC Shunt generator  32kW load, supplied at voltage 230V Cable resistance R= 1ohm Armature…

Q: power syste unit quantities instead of actual values. Give the advantages of using such a system.…

A: (a) Advantages Of Per-unit System- It gives a clear idea of relative magnitudes of various…

Q: A shunt generator supplies a 33kW load at 200V through cables of resistance, R = 106m2. If the field…

A:

Q: In SPEED CONTROL OF 3 PHASE INDUCTION MOTOR [V/F METHOD] Why is kept constant in this expression?

A: SPEED CONTROL OF 3 PHASE INDUCTION MOTOR

Q: (c) In analyzing load torque of a drive system, several components need to be taken into…

A: Load Torque- The amount of constant torque required to work productively is known as Load Torque.

Q: Pls Explain the following  Contrast DC motor types with DC generator

A: Types of DC motors: separately excited motor: The field winding of this motos is excited from an…

Q: Why small voltage is built up immediately in rotating shunt machine even without field excitation

A: Voltage build up of DC Rotating shunt machine

Q: 7) For a three phase, 4-Pole, synchronous machine having 48 stator slots, Find out the width factor…

A: Give Plols (P)=4Slots (s)=48phase (m)=3

Q: In the experiment of finding the parameters of synchronous machine, the ac value of the armature…

A: In this question , we will find relation between ac resistance and dc resistance in finding…

Q: torque equation of induct

A: Solution- Torque Equation- In induction relay torque equation, two magnetic fluxes ϕ1 & ϕ2 which…

Q: 13. A synchronous machine is run as an unloaded motor. If a low voltage is supplied at the rated…

A: Under no load condition, synchronous machine will only draw a small current to mainly compensate…

Q: analyze  3 commonly used ac motor starting methods using suitable diagrams and torque-speed curves

A: Starting of a 3-phase induction (AC) motor: A 3-phase induction motor is widely used in industries.…

Q: .What method of control is preferred in Chopper operation? Why?

A: A chopper is a static device that converts fixed dc input voltage to a variable dc output voltage…

Q: report about Simulation of Modeling Theory of Frequency Synchronous Generator Using Pl Controller

A: Synchronous generators (also called Alternators) are broadly used in power plants to send mass…

Q: -Why is the fall in the terminal voltage for the external chara, greater shunt generator than in…

A: The explanation is as follows.