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. 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. 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. But, the initial cost for an electric car will be very high. Principles of electrical grounding john pfeiffer, p. This heat is then transferred to the base plate the smooth, flat surface that you place against clothes while ironing. Linear motors are electric induction motors that produce motion in a straight line rather than rotational motion. A dieselelectric locomotive is similar to a road vehicle in having an internal combustion engine as the primary source of power. The boiler heats up or evaporates the water inside it, which is then transported to the consumers via pipe systems.
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. An electric car simply consists of three main components battery, controller and electric motor. The result is a fascinating and cheap experiment that displays the basic principles of electromagnetism and engineering. Superconducting electric magnets in the vehicle to drift and move the train. System of electric traction mechanics of train movement. 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. 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.
Whether you are going to work in mnc or going to work with usual private firms, it all depends here. T railway technology today 4 edited by kanji wako what. 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 railway electrification system supplies electric power to railway trains and trams without an onboard prime mover or local fuel supply.
Network rail a guide to overhead electrification bath and north. Electric railways use either electric locomotives hauling passengers or freight in separate cars, electric multiple units passenger cars with their own motors or both. If it still doesnt work, try flipping one of the stacks of batteries around. It should zip down the coil and out the other side. Automatic electric train barrier, project report on automatic. As a consequence, electric train operation made remarkable. The permissible range of voltages allowed for the standardised voltages is as stated in standards bs en 50163 and iec 60850. The siemens es64u4, is the current confirmed holder as the fastest electric locomotive at 357 kmh 222 mph in 2006. 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. Speedtorque characteristics of induction motor derives the tractive effort vs speed characteristics of three phase induction motor. There are several types of ac motors, and the cage asynchronous motor used widely in japan as the traction motor, is described. 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.
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. The hot water or steam under pressure is then usable for transferring the heat to a process. 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. The hybrid diesel locomotive is an incredible display of power and ingenuity. A transformer is an electrical apparatus designed to convert alternating current from one voltage to another. I got the perfect video to demonstrate the working of electric locomotives. The following article describes the physics that run behind the working of an electric guitar. The mechanical power for an electric generator is usually obtained from a rotating shaft and is. Due to their lower investment costs and their simpler operation, they became the. There are two types of monorail system and they are straddle type and suspended type. Electric train experiment purpose electrical and computer. Dec 26, 2016 monorail system ppt, pdf report free download. If you want an explanation of how a transformer works or how an electric motor works post another question.
If your train doesnt move, try flipping the train around. By using lead acid batteries, the weight of the car increases a lot pounds. Locomotives popularly called train engines are the heart and soul of the railway system. 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. In principle, rc4 are used for goods trains, and rc6 for passenger trains. How to create a simple electric train using magnets. The working principle of an electric iron science abc.
Electric trains use electricity to power electric motors, driving their wheels and providing locomotion. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or. The reference text on which this subcourse is based is a broad presentation of locomotive structure and a basic outline of maintenance. 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. 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. Electric train experiment purpose to build an electric train, utilizing uninsulated copper wire, a battery, and powerful magnets. Electric locomotives do not have a conventional engine in them as. This is the principle of working of electric motor.
The main inverter controls the electric motor and is a key component in electric cars, as it determines the driving behavior. Experiment by adding or subtracting the number of magnets, or making a longer coil. To ensure the good marks to students we always stands behind them with all practical and theoretical support on physics investigatory project. A railway electrification system supplies electrical energy to railway. Experiment by adding or subtracting the number of magnets, or making a. 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. 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. Working of electric cars electronic circuits and diagrams.
A traction motor is used to make rotation torque on a machine. An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or onboard energy storage such as a. What is the principle of electric train and how it is. If you flipped round the two magnets at the ends of the battery the battery and magnets would move in the. An electric car stores its energy on boardtypically in batteries, but alternatively with capacitors or flywheel storage devices. 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. 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. Archived from the original pdf on november 25, 2005. 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. We will put two basic principles of electromagnetics and magnetism to work to create an electric train.
Electric guitars work on the principle of electromagnetism and use electromagnets in their system. It can be designed to step up or step down voltages and works on the magnetic induction principle. Traction motor simple english wikipedia, the free encyclopedia. In a traditional electric motor, the rotor rotating part spins inside the stator static part. Or it may generate energy using a fuel cell or generator.
Electric guitar pickups or electromagnets forms the main part of an electric guitar. 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. 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 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. Traction motors are used in electrically powered rail vehicles such as electric multiple units and electric locomotives. You will learn the working of diesel trains or diesel locomotives in this article. Automatic electric train barrier, project report on. The high tractive force also makes electric operation suitable for lines running through hilly regions. Locomotives work based on a really simple principle.
Unlike steam and diesel locomotives, electric locomotives do not carry their. 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. Three phase primary winding is mounted on stator distributed spatially at 120 degree. The first is the magnetic field created by a solenoid. Unlike steam and diesel locomotives, electric locomotives do not carry.
Figure 7 shows the stator and rotor of an asynchronous motor. Hybrid electrical vehicles introduction a hybrid electric vehicle hev has two types of energy storage units, electricity and fuel. It is just like the basic principle of dc generator. 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. 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. The end product is a train made of a battery and magnets that propels itself through a coil of wire using electromagnetic force.
Electricity is typically generated in large and relatively efficient generating. This pollution is bad for our lungs and for the environment. 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. When an electric current is passed through a coil or any other heating element present in the iron, it gets very hot. The first practical ac electric locomotive was designed by charles brown, then working for. Oct 16, 2018 working the metro rails actually work on the principle of dc shunt motors. Electrical power maintenance, train lighting and air conditioning. A gasoline engine, with its fuel lines, exhaust pipes, coolant hoses and intake manifold, tends to look like a plumbing project.
Electric locomotives have provided hauling power to trains since 1837. They are also used in electric vehicles, such as electric milk. The moscow odessa train in vinnytsia railway station. This 270,000pound 122,470kg locomotive is designed to tow passengertrain cars at speeds of. Magnetic levitation maglev requires electromagnetic current to generate magnetic field. Jun 08, 2019 the working principle of an alternator is very simple. A transformer has no moving parts and is a completely. Electric motor parts of motor, working of electric motor. The principle of the ac motor is quite complex and is discussed below, focusing on the differences between ac and dc motors. Railway power supply models and methods for longterm. Although in this regions there is, in principle, no requirement for traction power lines.
The controller gets its power from an array of rechargeable batteries. Oct 28, 2019 hence, diesel locomotives work on the same principle as on electric locomotives. Semiconductors transform the direct current from the battery into the alternating current that drives the motor. The diesel and electric locomotive story and working 24 coaches. An electric iron relies on a basic combination of heat and pressure to remove creases from clothes. Electric trains have also replaced older steam trains, which operated using coal. As told earlier, the battery used for this car is very expensive.
The voltage can be increased to go faster or reduced til the train stops. Electric locomotives do not have a conventional engine in them as we have seen in a diesel locomotive, but use the electricity. 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. Electric guitar, unlike conventional acoustic guitar, are more expensive and sophisticated. Generators also produce the electrical power required for automobiles, aircraft, ships, and trains. Three phase induction motor as traction motor railelectrica. But as they move, the magnetic field moves with them and you get a constant motion. The structure and working principle of the ems are introduced. Physics projects for class 12 gurukul technical institute. 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. Electric vehicle and electric motor traction motor refers to a type of electric motor.
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. The electric motorcycle was designed and built in the gdynia maritime university. 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. The diesel and electric locomotive story and working 24. 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. 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 working principle of an alternator is very simple. 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. Diesel locomotives use electricity to drive forward motion despite the name diesel. What is the principle of electric train and how it is running. The electric motor gets its power from a controller. The magnetic field of the magnets interferes with that produced due to electric current flowing in the conductor.
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