In his book, "Electric Locomotives," historian Brian Solomon points out the first known use of a "heavy rail" electric locomotive took place in 1893 when General Electric manufactured a small, . The diesel-electric locomotive has a thermal efficiency (percent of useful work derived from a unit of fuel) of 20-25%. It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. Ans: d. 28. Battery-type electric locomotives are powered by batteries. November 29, 2021. It needed less maintenance, . The principal energy loss is due to the [6] Hello friends welcome in Learn EEE.Friends is video me ham Electric Traction ke bare me discuss kar rhe hai, is video me ham Electric Traction ke Advantage. The first known electric locomotive was built by a Scotsman [1], Robert Davidson [2] of Aberdeen in 1837 and was powered by galvanic cells. Composite fuel cell trains; It can deal with weights of 5,000 tonnes and can traverse at speeds about 180 km/h, completing a long- stretch span of about 700 km. Because the motor has no coil and commutating copper head on the rotor, it is not easy to be damaged. Here are all the advantages of 5 ton battery locomotive, hope it will help you. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. The steam locomotive's main advantages were speed and safety. The electric locomotive draws power from the over head equipment (OHE) with the help of Pantograph and converts this electrical energy to mechanical energy, in controlled manner, through Traction Motors which drive the axles. Both proposed a . Published. Therefore, each electric locomotive must be equipped with 2-3 sets of battery packs. They can draw on the resources of the central power plant to develop power greatly in excess of their nominal ratings to start a heavy train or to surmount a steep grade at high speed. What is the advantage of a diesel-electric locomotive? When.n is said the electric locomotive has still an advantage with respect to stand-bY losses, provided there are l!Iuflkient trains in motion to smooth out the total demand on the power plant, which is assumed to be steam-operated. Adhesion = Coefficient of friction x . They can draw on the resources of the central power plant to develop power greatly in excess of their nominal ratings to start a heavy train or to surmount a steep grade at high speed. The applicable environment is wider. Day by day, the number of trains running with the electric locomotive engine is increasing. Straight electric traction system has high traffic holding capacity and . This is non-electric drive mostly used for road transport. Electric lines mean that trains with heavy diesel engines are not needed. No need to add Electrolyte, no Acid mist discharge. The Intertubes lit up like a bonfire last month when the US manufacturer Wabtec introduced the first ever brand new all-electric locomotive for hauling freight in . Steam as locomotive propulsion power, although reaching a zenith right around World War II, quite interestingly, maintains a presence, albeit a shadow of its former self by comparison. Electric locomotives are very fast and thus, are best suited for aiding the movement of passengers, goods and services from one place to another. The Hauling capacity of Electric Locomotive is 3102 for electric traction as compared to 2992 for diesel traction. The electric locomotives are also more reliable. Electric-powered trains have a number of advantages over diesel engines. 2. Picture below shows 12628 Karnatka Express at Manmad Station. locomotive will be. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. Then the operator can decide how to use that power. Low-frequency operation of AC series motor in traction application Improve its commutation, pf and efficiency We conclude that the electric locomotive is better than the diesel-electric locomotive. advantages and disadvantages of diesel locomotive. It also emits very little acoustic noise. The following are the advantages of electric traction, Due to the absence of smoke and coal dust, it is clean and healthier from a hygienic point as compared to all other systems of traction. Locomotives can be used to either push or pull train cars. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. advantages of these components are a combination of those of batteries and conventional capacitors at . These values are in contrast to the 5-8% efficiency of a steam locomotive. Energy transfer in the GTW diesel - electric locomotive 8 - Proposed solution for increasing the overall energy efficiency The principle of a diesel - electric locomotive is given in Fig. The electric locomotives are also more reliable. The battery charging is generally operated in the . The power supply: we adopted the lithium battery on this 5 ton battery locomotive, which will be Maintenance-free,short charging time (2-3 hours), labor-saving also Environmental-friendly. The advantages of electric usually diesel-electric for commercial vessels, especially when combined with podded propulsion, were spelled out in an article last year (PM #110). The upfront . While in the rail yard, the consist will shut down or idle the other locomotives (when possible) and use the battery-electric locomotive to reduce local emissions and noise. . A Virgin train travels alongside the West Coast mainline (Martin Keene/PA) They have quicker acceleration, lower fuel costs . Diesels shared some of the electric locomotive's advantages of over steam and the cost of building and maintaining the power supply infrastructure, which had always worked to discourage new installations, brought on the elimination of most mainline electrification outside the Northeast. so electric locomotives can have a higher power output than diesel locomotives and they can produce even higher short-term surge power for fast acceleration. For the passengers there are also benefits, with Network Rail saying the journeys in electric trains will be 'faster and quieter journeys with more seats on trains and improved reliability on. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. Advantages of electric train Electric locomotive having more cleanliness compared to diesel engines because it is free from smoke and flue gases. The locomotive can work like this until the pressure has dropped to a minimum useful level or the water runs out, after which it must be recharged. Further, a fire has to be banked even when the locomotive is idle. But what are the benefits of have an electrified line? It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. 5. Electric locomotives are quiet compared to diesel locomotives since there is no engine and exhaust noise and less mechanical noise. Advantages. The advantages of this system include higher starting efficiency, less number of substations, simple substation design and lower cost of fixed installations. Each type of locomotive has benefits and drawbacks, when . Plus, trains don't need to carry their own fuel and fuel is . What are the advantages of the structural performance of mining dual-supply electric locomotive? What is the advantage of a diesel electric locomotive? It could operate for long periods with no lost time for maintenance; thus, in North America the diesel could operate through on a run of 3,200 km (2,000 miles) or more and then, after servicing, start the return trip. A further advantage is that the electric motors in the train are highly efficient, with efficiency regularly around 90%. 2021-08-02. Once fully developed, the battery-electric locomotive will provide environmental benefits and fuel savings for the entire locomotive consist. Better traction performance. 1. It needed less maintenance, used less fuel and could be operated with a smaller crew. This limits CSX to having at most two AC locomotives running on power on one train (9+9=18, which is good, but 9+9+9=27, not good). Cleanliness Electric traction is free from smoke and flue gases, etc. Advantages of Electric Traction. Since a gallon of fuel oil contains approximately 130,000 Btu of energy, only 20-25% of this would be available to produce work, that is, pull the train. NJ Transit is actively investigating industry advances in battery electric train technology, said Nancy Snyder, a spokeswoman. Lower fuel cost compared to a diesel locomotive. Electric locomotives benefit from the high efficiency of electric motors, often above 90% (not including the inefficiency of generating the electricity).Additional efficiency can be gained from regenerative braking, which allows kinetic energy to be recovered during braking to put power back on the line. An electric locomotive is a locomotive powered by electric motors which draws current from an overhead wire (overhead lines), a third rail, or an on-board storage device such as a battery or a flywheel energy storage system. One of the greatest advantages of electric and diesel-electric propulsion is that the locomotive's power output is independent of its speed, allowing it to apply full power at a dead stop. Compared with steam, the diesel traction unit had a number of major advantages: 1. A steam locomotive, on the other hand, generates the least amount of useful power when stopped and reaches a maximum power, determined by driver size . What you want more? Some nuclear submarines also use a similar turbo-electric propulsion system, with propulsion turbo generators driven by reactor plant steam. Their advantage is that you can use it everywhere. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. (c) accelerate the train mass. The locomotive is self-propelled, generating energy through the burning of fuel, the use of electricity, magnetic levitation, or other methods. In the quest to find the optimal approach to modern mass transport, railcar choices are in the spotlight. Electric locomotives are very fast and thus, are best suited for aiding the movement of passengers, goods and services from one place to another. Electric locomotives are cheaper, have long life, are less complex, have greater reliability, compared to Diesel counterpart 4. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion. A locomotive is a specialized type of train car which is used to run the whole train. Advantages of fuel cell electric locomotive: Flexible degrees of hybridization; Formulating composite layouts of batteries and fuel cells rail is crucial to enhance range and performance. The battery-powered locomotive is the perfect complement to its diesel-electric brethren. Except for a few captive systems (e.g. Standard transportation methods were subjective to longer delivery times while always being a target for highwaymen or bandits. Main Parts of AC Electric Locomotive The figure below shows the block diagram of an AC locomotive system that employs single phase supply to drive three phase motor. 27. Less fuel consumption - with employment of regenerative braking fuel consumption is further lowered 3. Therefore, it is most suitable type of traction system to be used for underground and tubular railways. Higher reliability The locomotive of this system adopts a three-phase AC asynchronous motor. The major advantages of electric traction system over other types of traction (such as steam traction) are described below . Electric boats were very popular from the 1880s until the 1920s, when the internal combustion engine became dominant. (a) overcome the gravity component of train mass. Steam locomotives are especially advantageous at high elevations as they are not adversely affected by the lower atmospheric pressure. Electric locomotives have been preferred over diesel locomotives as they are much faster and more efficient. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion . One of the main advantages that has drawn manufacturers when it comes to electric locomotives is their unparallelled efficiency. Continue Reading Sponsored by ACROME Inc They can draw on the resources of the central power plant to develop power greatly in excess of their nominal ratings to start a heavy train or to surmount a steep grade at high speed. . Guests will enjoy an indoor pool onsite and Advantages: It was an EMD G12 locomotive upgraded with batteries, a 200 kW diesel generator, and four AC motors. Environment friendly Disadvantages 1. The primary advantages of AC traction are adhesion levels up to 100% greater than DC and much higher reliability and reduced maintenance requirements of AC traction motors. 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