Environment friendly Disadvantages 1. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. The mail and material shipped with trains were hard to steal and were protected against the elements. Therefore, each locomotive must be equipped with 2-3 sets of batteries. If not than you have to use diesel locomotive. 3. Further, a fire has to be banked even when the locomotive is idle. Higher reliability The locomotive of this system adopts a three-phase AC asynchronous motor. The study concluded that a fuel cell hybrid shunt locomotive is a viable solution for operation in the LA metro area. 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, . Electric locomotives are ideal for commuter rail service with . Electric-powered trains have a number of advantages over diesel engines. Published. Davidson later built a larger . The battery charging is generally operated in the . Steam locomotives are especially advantageous at high elevations as they are not adversely affected by the lower atmospheric pressure. 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. The diesel-electric locomotive has a thermal efficiency (percent of useful work derived from a unit of fuel) of 20-25%. It needed less maintenance, used less fuel and could be operated with a smaller crew. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. Electric locomotives are very fast and thus, are best suited for aiding the movement of passengers, goods and services from one place to another. Dr Gareth Evans reports on a growing debate over the merits of the longstanding electric / diesel-electric paradigm and whether a new generation of genset locomotives and emerging hybrid designs could offer real advantages. Except for a few captive systems (e.g. Here are all the advantages of 5 ton battery locomotive, hope it will help you. Then the operator can decide how to use that power. Issues with Electric Trains It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. [6] Also, looking at electric operations from a costs-versus-benefits standpoint, electric compared to diesel-electric operation is more attractive. 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 . 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. Their advantage is that you can use it everywhere. In addition, the master controller has no contact wear. Electric locomotives have been preferred over diesel locomotives as they are much faster and more efficient. (a) overcome the gravity component of train mass. Increased track capacity - Locomotive - Faster and more powerful 2. It needed less maintenance, . 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. This is non-electric drive mostly used for road transport. 27. The battery will hold 2,400 kilowatt-hours of energy, meaning it's able to maintain full horsepower for roughly 30 minutes on a given charge. The steam locomotive's main advantages were speed and safety. Ans: d. 28. What you want more? The applicable environment is wider. Standard transportation methods were subjective to longer delivery times while always being a target for highwaymen or bandits. The battery-powered locomotive is the perfect complement to its diesel-electric brethren. In the quest to find the optimal approach to modern mass transport, railcar choices are in the spotlight. Due to the absence of smoke, ash, etc. Advantages of Electric Traction. The major advantages of electric traction system over other types of traction (such as steam traction) are described below . These values are in contrast to the 5-8% efficiency of a steam locomotive. So advantages of electric locomotive is that it is simple to use, and very simple to transmit power to motion. Straight electric traction system has high traffic holding capacity and . It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. It needed less maintenance, used less fuel and could be operated with a smaller crew. What are the advantages of the structural performance of mining dual-supply electric locomotive? By Mahesh Kumar Jain on June 19, 2013 . Read some related electric difference: The advantage of electric breaking is It is instantaneous More heat is generated during breaking It avoids wear of track Motor continues to remain loaded during breaking Answer 12. The first known electric locomotive was built by a Scotsman [1], Robert Davidson [2] of Aberdeen in 1837 and was powered by galvanic cells. One of the main advantages that has drawn manufacturers when it comes to electric locomotives is their unparallelled efficiency. What is the advantage of a diesel electric locomotive? Advantages: No spark detonation danger, suitable for use in mines with gas; no need to wire, flexible use, for small output, irregular roadway transport system and roadway driving transport is very suitable. But what are the benefits of have an electrified line? 2. 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. advantages of these components are a combination of those of batteries and conventional capacitors at . (c) accelerate the train mass. (d) do all of the above. A locomotive is a specialized type of train car which is used to run the whole train. . 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 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. By Daniel Garrun. 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. They include a more efficient propulsion system, less pollution, increased operational efficiency, especially at slow speeds (important for applications such as . 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. Therefore, it is most suitable type of traction system to be used for underground and tubular railways. November 29, 2021. . 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). Less fuel consumption - with employment of regenerative braking fuel consumption is further lowered 3. A Virgin train travels alongside the West Coast mainline (Martin Keene/PA) They have quicker acceleration, lower fuel costs . The same situation prevails for coaching train requiring two locomotive for hauling 24 coach. 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. Lower fuel cost compared to a diesel locomotive. 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. Adhesion = Coefficient of friction x . locomotive will be. 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. . Once fully developed, the battery-electric locomotive will provide environmental benefits and fuel savings for the entire locomotive consist. Battery-type electric locomotives are powered by batteries. Plus, trains don't need to carry their own fuel and fuel is . Picture below shows 12628 Karnatka Express at Manmad Station. Advantages: The overhead electric locomotive has simple structure, low cost, convenient maintenance, large transportation capacity, high speed, high electricity efficiency, low transportation cost, and the most widely used locomotive. 2021-08-02. Electric locomotives usually cost 20% less than diesel locomotives, their maintenance costs are 25-35% lower, and cost up to 50% less to run. (b) overcome friction, windage and curve resistance. The upfront . Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. Internal Combustion engine drive. 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. It may operate as a companion to either a diesel-electric or battery-electric locomotive, offering advantages that include more efficient use of diesel fuel and more effective use of railway traction technology, while extending the operating range of plug-in battery-electric locomotives. The advantages of this system include higher starting efficiency, less number of substations, simple substation design and lower cost of fixed installations. Home; Uncategorized; advantages and disadvantages of diesel locomotive One of several significant advantages is that it mechanically isolates the noisy engine compartment from the outer pressure hull and reduces the acoustic signature of the submarine when surfaced. The electric locomotives are also more reliable. 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. The LIRR and NJ Transit's plans have similarities. An electric locomotive is a locomotive powered by electricity from overhead lines, . Advantages 1. This was inadvertently discovered when steam locomotives operated at high altitudes in the mountains of South America were replaced by diesel-electric units of equivalent sea level power. Electric locomotives are quiet compared to diesel locomotives since there is no engine and exhaust noise and less mechanical noise. Some nuclear submarines also use a similar turbo-electric propulsion system, with propulsion turbo generators driven by reactor plant steam. 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. What is the advantage of a diesel-electric locomotive? 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. 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. Both proposed a . No need to add Electrolyte, no Acid mist discharge. 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. Main advantages of the drive are low investment and flexibility of the routs and have the disadvantages of low overload capacity, uneconomical operation, high maintenance cost and . This system provides high starting torque, high acceleration and retardation. Most often, these types of engines work with an efficiency level of more than 90%, which, as you can see, is a stark difference from other models' 20-45%. 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 Black Mesa . Day by day, the number of trains running with the electric locomotive engine is increasing. The fuel cell shunter combines the environmental advantages of an electric locomotive with the lower infrastructure costs of a diesel-electric locomotive. AC traction for locomotives is a major improvement over the old DC systems. NJ Transit is actively investigating industry advances in battery electric train technology, said Nancy Snyder, a spokeswoman. The Hauling capacity of Electric Locomotive is 3102 for electric traction as compared to 2992 for diesel traction. Electric boats were very popular from the 1880s until the 1920s, when the internal combustion engine became dominant. 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. 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 . The straight electric traction system possesses the following advantages . 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. 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. A DC unit is counted straight up (i.e a six-axle ES44DC is six axles), but an AC locomotive is counted at 1.5 axles per physical axle (a six-axle SD70ACe counts as 9 axles). 1. 5. The dual-supply electric locomotive is also called the battery double-type power locomotive, the wire-battery locomotive, etc., and the place is called differently. Electric locomotives are very fast and thus, are best suited for aiding the movement of passengers, goods and services from one place to another. Better traction performance. It also emits very little acoustic noise. It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. Because the motor has no coil and commutating copper head on the rotor, it is not easy to be damaged. Continue Reading Sponsored by ACROME Inc Advantages of electric train Electric locomotive having more cleanliness compared to diesel engines because it is free from smoke and flue gases. Alternating-current carried several advantages over DC including no substations to maintain sufficient supply, voltage could be carried over long . 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. Score: 5/5 (9 votes) . Electric locomotives are cheaper, have long life, are less complex, have greater reliability, compared to Diesel counterpart 4. The locomotive is self-propelled, generating energy through the burning of fuel, the use of electricity, magnetic levitation, or other methods. 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. Benefits of Electrification. The electric train having a quick acceleration so there is no loss of time to start. A further advantage is that the electric motors in the train are highly efficient, with efficiency regularly around 90%. Therefore, each electric locomotive must be equipped with 2-3 sets of battery packs. It is having a capacity to carry large loads. Tractive effort is required to. Advantages: There is no danger of spark ignition, suitable for use in mines with gas; no wiring is required, flexible use, and it is very suitable for transportation systems and roadway excavation transportation with small output and irregular roadways. Locomotives can be used to either push or pull train cars. 2. It needed less maintenance, used less fuel and could be operated with a smaller crew. 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. Electric lines mean that trains with heavy diesel engines are not needed. 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. The principal energy loss is due to the The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion. Each type of locomotive has benefits and drawbacks, when . Recent advancements in efficiency include regenerative braking, which can be used to recover energy from braking, via motor-inverter drive systems. 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. Its main features are: (l) The whole machine adopts the form of bicycle . If you want to include any points about the diesel vs electric locomotive India, you can drop the comment in below. 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. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. This is the choice one if you can or have wires. Compared with steam, the diesel traction unit had a number of major advantages: 1. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. this system is clean and hence is suitable for underground railways. Diesel shared some of the electric locomotive's advantages over steam and the cost of building and maintaining the power supply infrastructure, which discouraged new installations, brought on the elimination of most main-line electrification outside the . Cleanliness Electric traction is free from smoke and flue gases, etc. Nearly all US locomotives are propelled by diesel-electric drives, which emit 35 million tonnes of CO 2 2 emissions, switching to battery-electric propulsion would save the US freight rail sector . In this segment from The Henry Ford's Innovation Nation, Mo Rocca meets with curator of transportation Matt Anderson to learn more about the rise of the dies. The electric locomotives are also more reliable. advantages and disadvantages of diesel locomotive. 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. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion . What are the advantages of locomotive? Electric locomotives have been preferred over diesel locomotives as they are much faster and more efficient. Advantages. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. . What are the advantages of locomotive? For given maximum axle load tractive efforts of AC. 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