If you flipped round the two magnets at the ends of the battery the battery and magnets would move in the. When an electric current is passed through a coil or any other heating element present in the iron, it gets very hot. Feb 11, 2017 a diesel electric locomotive is similar to a road vehicle in having an internal combustion engine as the primary source of power. The results of road tests of the electric powertrain made on public roads are included. But, the initial cost for an electric car will be very high. They are also used in electric vehicles, such as electric milk. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a. This is the principle of working of electric motor. If you want an explanation of how a transformer works or how an electric motor works post another question. Jun 11, 2016 the working of an electric iron is very simple it takes current from the mains and heats up a coil inside it. The high tractive force also makes electric operation suitable for lines running through hilly regions. Physics projects for class 12 gurukul technical institute.
In a traditional electric motor, the rotor rotating part spins inside the stator static part. There are two types of monorail system and they are straddle type and suspended type. Three phase primary winding is mounted on stator distributed spatially at 120 degree. The magnetic field of the magnets interferes with that produced due to electric current flowing in the conductor. It is either delivered via an electrified third rail beneath the train, via electrified cables above the train, or stored in batteries on board the train. Electric guitars work on the principle of electromagnetism and use electromagnets in their system. The magnets have been carefully aligned so the force on both magnets points in the same direction, and the result is that the magnets and battery move. Finished solenoid track and battery train principles of operation we will put two basic principles of electromagnetics and magnetism to work to create an electric train. Traction motor simple english wikipedia, the free encyclopedia. In principle, rc4 are used for goods trains, and rc6 for passenger trains. Locomotives work based on a really simple principle. If it still doesnt work, try flipping one of the stacks of batteries around. E consulting engineer, professor of electric railway engineering.
The train picks up the electricity through the wheels and takes it to an electric motor that turns the drive wheels with a set of gears. This 270,000pound 122,470kg locomotive is designed to tow passengertrain cars at speeds of. Electric trains use electricity to power electric motors, driving their wheels and providing locomotion. There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard voltage and nonstandard voltage systems. The siemens es64u4, is the current confirmed holder as the fastest electric locomotive at 357 kmh 222 mph in 2006. Electric guitar pickups or electromagnets forms the main part of an electric guitar. An air conditioner ac in a room or a car works by collecting hot air from a given space, processing it within itself with the help of a refrigerant and a bunch of coils and then releasing cool air into the same space where the hot air had originally been collected. Speed time, distance time and simplified speedtime curves, attractive effort for acceleration and propulsion, effective weight, train resistance, adhesive weight, specific energy output and consumption. Whether you are going to work in mnc or going to work with usual private firms, it all depends here. A transformer is an electrical apparatus designed to convert alternating current from one voltage to another. The first is the magnetic field created by a solenoid. Semiconductors transform the direct current from the battery into the alternating current that drives the motor. Electric trains are a type of locomotive that were invented in the 1800s and have an electricity source that gives them the power to move on special train tracks. Single phase 25 kv is stepped down and converted in to dc, then this dc supply is used to run dc traction motors equipped in conventional locos.
A gasoline engine, with its fuel lines, exhaust pipes, coolant hoses and intake manifold, tends to look like a plumbing project. Speedtorque characteristics of induction motor derives the tractive effort vs speed characteristics of three phase induction motor. A traction motor is used to make rotation torque on a machine. It can be designed to step up or step down voltages and works on the magnetic induction principle. Or it may generate energy using a fuel cell or generator.
Electric motor parts of motor, working of electric motor. We will put two basic principles of electromagnetics and magnetism to work to create an electric train. This heat is then transferred to the base plate which is pressed against clothes to remove creases. Experiment by adding or subtracting the number of magnets, or making a longer coil. An electric car stores its energy on boardtypically in batteries, but alternatively with capacitors or flywheel storage devices. Electric vehicle and electric motor traction motor refers to a type of electric motor.
The voltage can be increased to go faster or reduced til the train stops. The diesel and electric locomotive story and working 24 coaches. The main inverter controls the electric motor and is a key component in electric cars, as it determines the driving behavior. The hot water or steam under pressure is then usable for transferring the heat to a process. Superconducting electric magnets in the vehicle to drift and move the train.
The controller gets its power from an array of rechargeable batteries. An electric locomotive is essentially a box full of transformers and semiconductors that converts electricity collected from external sources to the desired voltage to drive the traction motors. Locomotives give life to coaches and wagons which are otherwise dead hunks of metal which can best qualify as shelters during rains, converting them into trains. An electric car simply consists of three main components battery, controller and electric motor. A dieselelectric locomotive is similar to a road vehicle in having an internal combustion engine as the primary source of power. Electric locomotives do not have a conventional engine in them as we have seen in a diesel locomotive, but use the electricity. Diesel electric locomotives introduction an understanding of the structure of a locomotive mechanically and electrically is essential to a person attempting to perform maintenance and repair services on it. Working of electric cars electronic circuits and diagrams. Hybrid electrical vehicles introduction a hybrid electric vehicle hev has two types of energy storage units, electricity and fuel. System of electric traction mechanics of train movement. It is just like the basic principle of dc generator. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. Generators also produce the electrical power required for automobiles, aircraft, ships, and trains. Locomotives popularly called train engines are the heart and soul of the railway system.
The structure and working principle of the ems are introduced. The diesel and electric locomotive story and working 24. Oct 28, 2019 hence, diesel locomotives work on the same principle as on electric locomotives. Working of train barrier a supply of six volt is produced by transformer to motor by two switches and this motor is connected to a pulley with the help of belt and this pulley have two more wheels and these wheels are connected to the barriers with the help of string.
Electric generator, also called dynamo, any machine that converts mechanical energy to electricity for transmission and distribution over power lines to domestic, commercial, and industrial customers. Electric guitar, unlike conventional acoustic guitar, are more expensive and sophisticated. Dec 26, 2016 monorail system ppt, pdf report free download. T railway technology today 4 edited by kanji wako what. The boiler heats up or evaporates the water inside it, which is then transported to the consumers via pipe systems. An electric locomotive is a railway vehicle that can move along rails and push or pull a train attached to it using electric power drawn from an external source, usually from overhead cables or a third rail. The end product is a train made of a battery and magnets that propels itself through a coil of wire using electromagnetic force. The hybrid diesel locomotive is an incredible display of power and ingenuity. This pollution is bad for our lungs and for the environment.
The principle of the ac motor is quite complex and is discussed below, focusing on the differences between ac and dc motors. What is the principle of electric train and how it is running. Unlike steam and diesel locomotives, electric locomotives do not carry their. Electric railways use either electric locomotives hauling passengers or freight in separate cars, electric multiple units passenger cars with their own motors or both. Experiment by adding or subtracting the number of magnets, or making a. Water is a useful and inexpensive medium for transferring heat to a process. Jun 08, 2019 the working principle of an alternator is very simple. Electricity is typically generated in large and relatively efficient generating. If your train doesnt move, try flipping the train around. Traction motors are used in electrically powered rail vehicles such as electric multiple units and electric locomotives. The moscow odessa train in vinnytsia railway station.
The working principle of an alternator is very simple. The electric motor gets its power from a controller. The electric motorcycle was designed and built in the gdynia maritime university. By using lead acid batteries, the weight of the car increases a lot pounds. A railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply. But as they move, the magnetic field moves with them and you get a constant motion. How to create a simple electric train using magnets by admin april 7th, 2016 there are currently 0 comments in this article, we are going to show you how you can create the simplest possibly, but by far the most awesome definitely diy electric train by using nothing more than a battery, some bare copper wire and two magnets. Archived from the original pdf on november 25, 2005. Although in this regions there is, in principle, no requirement for traction power lines. Automatic electric train barrier, project report on automatic. The result is a fascinating and cheap experiment that displays the basic principles of electromagnetism and engineering. Pdf railway electrification is experiencing a very important transformation process today.
Jan 06, 2017 an air conditioner ac in a room or a car works by collecting hot air from a given space, processing it within itself with the help of a refrigerant and a bunch of coils and then releasing cool air into the same space where the hot air had originally been collected. Railway power supply models and methods for longterm. As told earlier, the battery used for this car is very expensive. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. It should zip down the coil and out the other side. This experiment is guided towards stem education and.
A boiler is an enclosed vessel that provides a means for combustion heat to be transferred to water until it becomes heated water or steam. The first practical ac electric locomotive was designed by charles brown, then working for. A transformer has no moving parts and is a completely. Three phase induction motor as traction motor railelectrica. Principles of electrical grounding john pfeiffer, p. Ac induction motor is equivalent to transformer where secondary is short circuited and free to rotate. This heat is then transferred to the base plate the smooth, flat surface that you place against clothes while ironing. A railway electrification system supplies electrical energy to railway. Diesel locomotives use electricity to drive forward motion despite the name diesel. Electric locomotives have provided hauling power to trains since 1837.
To ensure the good marks to students we always stands behind them with all practical and theoretical support on physics investigatory project. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, elevators or electric multiple unit traction motors are used in electrically powered rail vehicles electric multiple units and other electric vehicles including electric milk floats, elevators, roller coasters, conveyors, and trolleybuses, as well as vehicles with. Electric trains have also replaced older steam trains, which operated using coal. The mechanical power for an electric generator is usually obtained from a rotating shaft and is.
May 31, 2019 a linear induction motor or lim is a special type of induction motor used to achieve rectilinear motion rather than rotational motion as in the case of conventional motors. 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. I got the perfect video to demonstrate the working of electric locomotives. An electric iron relies on a basic combination of heat and pressure to remove creases from clothes. Network rail a guide to overhead electrification bath and north. Electrical power maintenance, train lighting and air conditioning. Mar 17, 2006 the train picks up the electricity through the wheels and takes it to an electric motor that turns the drive wheels with a set of gears. It also depends upon faradays law of electromagnetic induction which says the current is induced in the conductor inside a magnetic field when there is a relative motion between that conductor and the magnetic field. The following article describes the physics that run behind the working of an electric guitar. The working principle of an electric iron science abc. Due to their lower investment costs and their simpler operation, they became the. Electricity means that a battery sometimes assisted by ultracaps is used to store the energy, and that an electromotor from now on called motor will be used as traction motor.
Be it diesel or electric, locomotives are actually run by a set of electric ac. Linear induction motors are quite an engineering marvel, to convert a general motor for a special purpose with more or less similar working principle, thus enhancing its. How an industrial boiler system works the heart of an industrial boiler system is a hot water or steam boiler operated with a certain kind of fuel. It combines some great mechanical technology, including a huge, 12cylinder, twostroke diesel engine, with some heavy duty electric motors and generators, throwing in a little bit of computer technology for good measure. Dieselelectric locomotives introduction an understanding of the structure of a locomotive mechanically and electrically is essential to a person attempting to perform maintenance and repair services on it. Linear motors are electric induction motors that produce motion in a straight line rather than rotational motion.
As we all know, it is electric locomoti ves that are at the forefr ont of railway traction, while the diesel locomotive is kept for some very specific uses. What is the principle of electric train and how it is. As a consequence, electric train operation made remarkable. You will learn the working of diesel trains or diesel locomotives in this article. The final decade of the 20 th century and the first decade of the 21 st century were marked by the enormous rise in high speed due to the huge leaps forward in electric locomotive technology. A diesel locomotive is a selfpowered railway vehicle that moves along the rails and pulls or pushes a train attached to it using a huge internal combustion engine running on diesel fuel as the prime mover or the primary supplier of power.
The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. Unlike steam and diesel locomotives, electric locomotives do not carry. Oct 16, 2018 working the metro rails actually work on the principle of dc shunt motors. Magnetic levitation maglev requires electromagnetic current to generate magnetic field.
Feb 05, 2017 an electric locomotive is essentially a box full of transformers and semiconductors that converts electricity collected from external sources to the desired voltage to drive the traction motors. Figure 7 shows the stator and rotor of an asynchronous motor. How to create a simple electric train using magnets. Working the metro rails actually work on the principle of dc shunt motors. Since the loop has become a magnet, one side of it will be attracted to the north pole of the magnet and the other to the south pole. Electric locomotives do not have a conventional engine in them as.
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