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LECTURE 15 Electric Furnace S teelmaking NPTEL

LECTURE 15 Electric Furnace S teelmaking Contents Introduction scrap is the preferred raw material but sponge iron and iron carbide are being used regularly in most In principle an electric arc is formed between the electrode and the metallic charge and charge is heated

Principle and Working of Electric Motor TutorVista

Science Science II Magnetic Effects of Electric Current. Top. Principle and Working of Electric Motor. A D.C. motor consists of a rectangular coil made of insulated copper wire wound on a soft iron core. This coil wound on the soft iron core forms the armature. The coil is mounted on an axle and is placed

3 Phase AC Induction Motor Working Principle and Operation

May 24, 2017Normally induction motor has two main parts which are stator and rotor.The stator is stationary part of the motor and the rotor is the rotating part of this motor. Construction of 3 Phase AC Induction Motor. Stator part of this motor is created by highly permeable steel lamination inside a frame which constructs on steel or cast iron.

Questions and Answers What is an electromagnet?

An electromagnet works because an electric current produces a magnetic field. The magnetic field produced by an electric current forms circles around the electric current, as shown in the diagram below If a wire carrying an electric current is formed into a series of loops, the magnetic field can be

DC Motors- principles of operation Solarbotics.net

Principles of operation. In any electric motor, operation is based on simple electromagnetism. A current-carrying conductor generates a magnetic field; when this is then placed in an external magnetic field, it will experience a force proportional to the current in the conductor, and to the strength of the external

How Does a Lithium-ion Battery Work? Department of Energy

Sep 14, 2017Home How Does a Lithium-ion Battery Work? Lithium-ion batteries power the lives of millions of people each day. From laptops and cell phones to hybrids and electric cars, this technology is growing in popularity due to its light weight, high energy density, and ability to recharge.

Energy conversion technology Britannica.com

Energy conversion Energy conversion, the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy converters are quite simple. The early windmills, for

Give the answer of how electric iron work? And the

Oct 14, 2007Meilleure rponse The heating element of an iron is rigged to have a potential difference V running through it. We know that V = IR, and since you don't get electrocuted when you put your hand on the iron, the I (current) is obviously very low. the R is therefore high, which you can deduce by

How to Properly Use a Steam Iron Home Guides SF Gate

Dec 27, 2018The iron will release steam automatically as you work. Point the iron away from yourself to avoid burning yourself with the steam. Iron a section of fabric only long enough to smooth it, not long

What is the working principle of ceiling fan? ALLInterview

electrical principle involved in that (working) while it rotates, what is the reason to rotate?how it is starting whats the reason. think in that What is the working principle of ceiling fan?.. Answer / gobindarouth. When fan rotates with the higer speed than air from top side goes to the down side and

Fundamental Electrical and Electronic Principles

This Textbook supersedes the second edition of Fundamental Electrical and Electronic Principles. In response to comments from colleges requesting that the contents more closely match the objectives of the BTEC unit Electrical and Electronic Principles, some chapters have been removed and some

The Basics of Permanent Magnet Motor Operations

NeFeBo Neodymium Iron Boron Basic PM motor operating principles PM motors operate on the principle that a force is generated when current flows in an inductor that is placed in a magnetic field. COURSE# 17 Basic PM motor operating principles Brush DC motor.ppt

hammer flotation process working principle

new rock crushing machine is one of the most popular stone crushing machines Roc Crusher For Sale For Sale working principle ( stone jaw crusher) . Hammer Mill Suspend belt type iron remover We can provide gravity separation, magnetic separation, flotation beneficiation and cyanidation

Moving Iron Instruments ~ your electrical home

The basic working principle of these instruments is very simple that a soft iron piece if brought near the magnet gets attracted by the magnet. Hence moving iron instruments can be used for both a.c. and d.c. measurements. Due to square low response, the scale of the moving iron instrument is non-uniform.

Electrical Appliances Lesson 6 Appliance

Electrical Appliances Lesson 6 Appliance Physics, Tasks, Power, and Energy Summer 2004 Cal Poly Pomona Objectives (i) Investigate the physical principles involved in the operation of common electrical appliances. (ii) Identify the tasks done by each appliance.

Transformer Basics and Transformer Principles of Operation

The Voltage Transformer can be thought of as an electrical component rather than an electronic component. A transformer basically is very simple static (or stationary) electro-magnetic passive electrical device that works on the principle of Faraday's law of induction by converting electrical

How Does an Electric ARC Furnace Work? Hunker

May 30, 2018Electric ARC furnaces use high-voltage electric arcs that are bounced between three graphite electrodes to produce massive amounts of heat. Used worldwide, these furnaces are featured in mini-mills that recycle iron scrap for reuse. ARC furnaces are also used in the production of steel. How Does an Electric ARC Furnace Work

How Does an Electric Oven Work? DoItYourself.com

The oven works in the same way for all types. Smaller, countertop-convection ovens also operate under the same principles, although they are used for less-thorough heating and cooking. The basic components of the interior of an electric oven are the top and bottom heating elements, which are

PRINCIPLES OF ELECTRICAL GROUNDING Pfeiffer Eng

Principles of Electrical Grounding John Pfeiffer, P.E. Abstract This is a discussion of the basic principles behind grounding systems and how grounding is related to safety and the effective operation of circuit protection devices such as fuses and circuit breakers.

Electrical Domestic Appliances (EDA) chseodisha.nic.in

Type of Electric Iron Ordinary type and automatic/Thermostat Control type/steam iron, Construction and working principle of electric irons; common defects, testing and repairs Electric Stove Types of Electric Stoves- Coiled type, covered type, Hot Plate, G rill/Oven, Cooking Range- Construction and working principle of electric

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