What happens when the 6. holding coil gets the supply in the magnetic controller?

Q: Describe the overload principle.

A: When too much current flows via electric wires, an electric overload occurs. The wires heat up and…

Q: Identify the DC Motor used in Conveyor belt system. With a neat sketch explain its working. List…

A: DC shunt motor is used as the motor for the conveyor belt system because of its constant speed…

Q: 4. Discuss the following (rated torque, starting torque, break down torque).

A: There are three type of torques in the motor: 1. Rated torque 2. Starting torque 3. Breakdown torque

Q: With example and figure explain hysteresis, dead zone?

A: 1) Hysteresis 2) Dead zone

Q: What is the difference bewteen a grounded control system And a floating control system?

A: A normal transformer consists of a primary and a secondary winding. But, a control transformer is…

Q: Explain about controlling torque using Spring control method. Please do not write the answer in a…

A: Controlling Torque The control device is a device that is used to control the deflection of the…

Q: Describe the responses of the armature and field currents, speed, and torque during starting.…

A: The graph that are showne here represent the characteristics of a dc series motor  It can be…

Q: What will happen if the back emf drops to zero because the external mechanical load stops the…

A: We need to state What will happen if the back emf drops to zero because the external mechanical load…

Q: 1. If the blocked rotor test is to be performed on a wound rotor motor, and if the rotor winding is…

A: Always remember , the current flows through a close path. When the rotor winding are open i.e., no…

Q: write about Automatic Washing Machine of closed loop control system It includes The introduction

A:

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

A: For every self excited generator there must exist some residual flux . When armature rotates…

Q: 3. Enumerate the different types of devices used in magnetic DC Controller? 4. Explain briefly…

A:

Q: Give detailed information about Jury’s stability test.What are the conditions for Jury’s stability…

A: In signal processing and control theory,the jury stability test is the method of determining the…

Q: What is the use of auxiliary contact in the magnetic controller?

A: The auxiliary contact is often used for the transmission circuit One contactor can have many…

Q: 4. What precautions concerning, the field circuit.b) The armature current must be taken when…

A: During the operation of DC shunt motor:

Q: What will happen if the back emf drops to zero because the external mechanical load stops the…

A: Back EMF is the generated when the motor is under running condition. If N=0, the back emf will also…

Q: What is a Bimetallic strip? Explain its function in Overload relay

A: The bimetallic strip is the device that work on the principle of thermal expansion. The thermal…

Q: For the Starting Up the Power Station Simulator Why are certain operations blocked by isolators

A:

Q: Write any two (different) examples of controllers used in closed loop systems. Your examples of…

A: the control system that has a feedback loop is known as feedback control systems. In closed loop…

Q: A 6 pole dc armature has Simplex lap connected 720 conductors, 3 turns per coil and 4 coil sides per…

A: Given: A 6 pole dc armature has simplex lap connected 720 conductors, 3 turns per coil and 4…

Q: A- The power flow diagram in dc motor ? B- conditions to builds voltage in dc generators ? C-…

A: A) Power flow diagram in DC motor: From diagram,  the input is given to a motor is in electrical…

Q: While discussing armature testing: Technician A says to test for shorts, place the ohmmeter leads on…

A:

Q: 1- Why the counter emf cancels part of the armature voltage?

A: One individual question is to be answered. 1. The counter emf cancels part of the armature voltage…

Q: the blocked rotor test is performed on a wound rotor motor and if the rotor  winding is kept open,…

A: Always remember , the current flows through a close path. When the rotor winding are open i.e., no…

Q: What are control system for robotics

A:

Q: 2. What are the different types of Starters to control AC-Motor. Explain briefly. 3.

A: In this question we will write the types of starters to control AC motors..

Q: What happens when the holding coil gets the supply in the magnetic controller?

A: According to the question we have to discuss, What happens when the holding coil gets the supply in…

Q: b) Differentiate between modern and classical control system?

A: Since both questions are different so we are supposed to answer any one.  b)  In systems described…

Q: what happen to the dc if it runs without any starter?explain in details with diagram.

A: During the startup of the DC motor, there is very high current and torque developed in the motor and…

Q: How Get = S+2 Rind the first order in control system and draw

A: Important Notes about first order system  First order system can be described by first order…

Q: List the probable causes if the armature dos notable release after the magnetic starter is de -…

A: Upon de-energizing the magnetic starter, the armature should release.

Q: List the difference between open loop and closed loop control system with suitable example.

A: Difference between open loop and closed loop control system :

Q: Where is field winding mounted in a DC machine? ) Stator -) Rotor ) Absent 1) Anywhere on stator or…

A:

Q: Explain why control torque should be equal to deflection torque,happens if the control is more than…

A: The PMMC type instruments and indicating instruments consists 3 types of torque in their operation.…

Q: What precautions concerning a - the field circuit. b-The armature current must be taken when…

A: During the operation of DC shunt motor:

Q: B)- Draw a neat diagram to show the armature diverter method for speed control DC series motors

A:

Q: If the speed of the driving motor falls due to loading what will be the effects?

A: A motor is a device which convert electrical energy into mechanical energy.The speed (RPM)of a motor…

Q: Briefly explain block diagram of electric drives.

A: So ,First we will understand what do we mean by electric drives and a little bit of history of it.…

Q: list the probable causes if the armature does not release after the magnetic starter is…

A: For the control of 3-phase motors, the magnetic starter allows separation of the control circuit…

Q: Explain closed loop control system in detail with suitable application. Note: provide a neat sketch

A: Closed loop system: A closed loop system is simply a system with feedback that regulates a process…

Q: Explain the types of dc generator and motors on the basis of excitation.

A: Types of DC Machine Shunt DC Machine Series DC machine Long Shunt compound DC machine Short shunt…

Q: What is a bus controller?

A: Note:-Hence the question is asked in the electrical engineering section I'm considering the Bus…

Q: explain open loop control system and closed loop control system

A: Open loop control system : A system in which there no influence of output on the input of system is…

Q: 1. If suddenly remove the load for the open loop control system, what will happen? please describe…

A: Open-loop control system: It is a type of control system in which input is independent of the…

Q: 5) Flux control, voltage control, and armature control are three methods for...... of dc motor.

A: To determine:- What are Flux Control, Voltage Control and Armature Control in DC motors.

Q: find a real Example of closed loop Control System , and Explain how it work

A: The explanation is as follows.

Q: What is the use of auxiliary contact coil gets the supply in the magnetic controller?

A: In a magnetic controller the contacts are make or break automatically according to the flow of…

Q: What is synchro? Explain how it is controlled with respect to control system

A: Synchro is a type of electrical transducer which transforms the angular position of the shaft to…