Explain how DOL magnetic starter works step by step with diagram and pictures.

Q: Discussion: 1) What are the limiting of using the triggering of thyristor by DC current practically?

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

Q: a) List the difference between destructive and non destructive testing b) Give five examples of…

A: Electrical machines can be DC  or  AC machines. Transformers are electrical machines that transfer…

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: Identify the DC Generator used for Arc Welding purposes. with a neat sketch explain its working.…

A:

Q: What is the purpose of the magnetic contactor?

A: Magnetic contactors are available in the electrical powered motors in the form of electrical relay.

Q: The armature of a 6-pole, lap-wound machine has 36 slots. Determine the slot pitch, the front pitch,…

A: We need to design armature winding for the following configuration: number of poles P = 6, number of…

Q: Explain how dc shunt motor is working with relevant circuit diagram

A:

Q: 4) If the deflecting torque of an instrument is directly proportional to the current to be measured…

A: It is given that: Deflecting torqueτd α Current(I)Imax produces deflection of 90°

Q: Explain in detail about working principle of Inductive and Magnetic sensors with neat diagram.

A:

Q: Please answer the question I want more information Identify the DC Motor used in Electric Traction…

A: It is 3-phase induction motors or the more common series wound DC motors.    Single phase induction…

Q: Explain the principle of working and operation of Magnetic Particle Inspection with neat  diagram.

A:

Q: Which of the following is/are a part a generator's electric circuit? a) the commutator b) the…

A: The explanation is as follows.

Q: 1. The armature is laminated to control 2. The two side of an armature coil with full pitch will…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: DC machine with 2 poles, wave winded (retrogressive) (two layers) with 18 slots, the values of pole…

A:

Q: Compare between armature resistance and synchronous resistance.

A:

Q: Q2/Clearly identify which of the following items are rotating and which of them are stationary. (1)…

A: (1) Commutator segments is a rotating part. Commutator convertes  alternating emf to DC . Commutator…

Q: In a 12-pole douplex lap wound dc armature, each conductor can carry a current of 50 amps. What is…

A:

Q: If generator armature current is 2A, the motor armature current is 3A, Voltage is 240V,motor…

A: Generator current Ig = 2A Motor current Im = 3A Voltage V=240V Motor Armature resistance Ra= 4 ohm…

Q: Identify the DC Generator used for Arc Welding purpose. With a neat sketch explain its working. List…

A: The Dc generator used for ARC welding is Differential compound generator. A differential compound…

Q: / choose the correct answer The back emf in a dc motor is ___________________?. 1-opposes the…

A: Acccording to lenz's law effect oppose its cause.

Q: Explain the operation of the blowout coil used in dc contactors

A: A blowout coil is a safety device used to suppress electric arcs between contacts when switching…

Q: Explain how does the current will be reduced during the starting of the motor.

A: According to question we have to explain, how does the current will be reduced during the starting…

Q: Mechanical balance mechanism

A:

Q: 2-Explain the difference between a Wound and a squirrel -cage motor.

A: Given that we need to find the differences between wound and squirrel cage type induction motor. Do…

Q: What is electrical machine.

A: Electrical Machine: It is a device that converts mechanical energy into electrical energy and vice…

Q: Explain how a direct online (DOL) magnetic starter works with diagrams and pictures

A: We are asked to explain direct online (DOL) magnetic starter.

Q: An 8-pole, 600 rpm dc shunt with 778 wave connected armature conductors of 12.5 ohms resistance at a…

A: The solution can be achieved as follows.

Q: 4. What is the purpose of the magnetic contactor?

A: MAGNETIC CONTACTOR: Magnetic contractors are same as electrical relays which are used in Induction…

Q: Explain the effect of the generated emf of a d.c. motor and why a d.c motor starter is necessary.

A:

Q: Draw a diagram of Dynamometer (Any types). With label and functions

A: The word Dynamometer has came from French word dynamomètre, which consists of two words dunamis…

Q: What is the mechanism of operation motion control lamp

A: mechanism of operation motion control lamp:

Q: Fill in the blank _______________ is possible because of the residual magnetism in the stator pole…

A: When current is reduced to zero then there will be magnetic power still left in the core of the coil…

Q: What is the benefit of soldering when you do it correctly?

A: Soldering is a metal-to-metal connecting procedure in which solder is melted and then used to…

Q: Describe the difference in construction operation of dc shunt, series, and compound motor.

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

Q: QUESTION 13 The resistance of the Armature's conductor coil(s) in most motors is: quite high,…

A: The resistance of armature conductors are very low of range 2 to 4 ohm the reason behind the low…

Q: 3.a. Which one of the following motor types uses permanent magnets in the armature or rotor? A.…

A:

Q: Speed of the motor is  can be varied by varying  _________________. a. Field Voltage b. Armature…

A: In this question we will write how we can change of paper of motor...

Q: what effect the spring constant?

A: The measurement devices are used to measure electrical quantities. The true value and the measured…

Q: if the armature winding has fractional pitch of 7/9, then coil span is ___ electrical degress

A: The solution is given below

Q: Magnetization can be divided into several technique. Based on your knowledge. propose the most…

A: Magnetization: Magnetization of any material means applying the magnetic field to a material it…

Q: Direct current is used in which of the following applications in the industry?

A:

Q: DC Motor used for Elevator. With a neat sketch explain its working. List it's advantages and…

A: DC motors are usually used for or elevators because they have a good starting torque. Usually a DC…

Q: Explain the differences in protection between the thermal and magnetic components in a magnetic…

A: Circuit breakers are used for the Protection of the electrical appliances and circuits during the…

Q: DC compound machine; c) Explain the starting of the engine.How does it give way to the engine

A: DC Compound machine : The DC machine which consists of both series & shunt field winding is…

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: 1. Give detail explanation on why it is necessary to use d.c. motor starters for starting of d.c.…

A: DC motor - DC machine is not used in the present time. Day by day reduces uses in industrial purpose…

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

A: Holding coil is nothing but a separate relay coil is energized by contacts that close when a relay…

Q: Identify the DC Generator used for Arc Welding purpose. With a neat sketch explain its working. List…

A: The OC Generator used for Arc welding purpose is Differential compound generator Differential…

Stator and Rotor Magnetic Field

The stator and rotor magnetic field is the resulting magnetic field generated by a system of coils that are symmetrically aligned. They are supplied with polyphase currents. The magnetic field is generated by poly-phase (two or more phases) current or single-phase current. In the latter case, two field stator windings are supplied and two resulting electromagnetic fields are generated beyond the stage.