Electric locomotives are cheaper, have long life, are less complex, have greater reliability, compared to Diesel counterpart 4. The diesel-electric locomotive has a thermal efficiency (percent of useful work derived from a unit of fuel) of 20-25%. Advantages of Electric Traction. What is the advantage of a diesel-electric locomotive? 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. What is the advantage of a diesel electric locomotive? 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 . NJ Transit is actively investigating industry advances in battery electric train technology, said Nancy Snyder, a spokeswoman. Alternating-current carried several advantages over DC including no substations to maintain sufficient supply, voltage could be carried over long . Hence it is pollution-free. 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. 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. 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 . 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 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. (a) overcome the gravity component of train mass. Advantages 1. Published. Therefore, each electric locomotive must be equipped with 2-3 sets of battery packs. 2. 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. Each type of locomotive has benefits and drawbacks, when . But what are the benefits of have an electrified line? This system provides high starting torque, high acceleration and retardation. Davidson later built a larger . It needed less maintenance, used less fuel and could be operated with a smaller crew. The advantages of this system include higher starting efficiency, less number of substations, simple substation design and lower cost of fixed installations. The LIRR and NJ Transit's plans have similarities. (d) do all of the above. Advantages. November 29, 2021. An electric locomotive is a locomotive powered by electricity from overhead lines, . 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. Steam locomotives are especially advantageous at high elevations as they are not adversely affected by the lower atmospheric pressure. Less fuel consumption - with employment of regenerative braking fuel consumption is further lowered 3. 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. It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. 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. 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 . Here are all the advantages of 5 ton battery locomotive, hope it will help you. Home; Uncategorized; advantages and disadvantages of diesel locomotive Once fully developed, the battery-electric locomotive will provide environmental benefits and fuel savings for the entire locomotive consist. Standard transportation methods were subjective to longer delivery times while always being a target for highwaymen or bandits. 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). Lower fuel cost compared to a diesel locomotive. Therefore, each locomotive must be equipped with 2-3 sets of batteries. 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, . Better traction performance. Their advantage is that you can use it everywhere. 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 major advantages of electric traction system over other types of traction (such as steam traction) are described below . Continue Reading Sponsored by ACROME Inc 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. Tractive effort is required to. 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. Issues with Electric Trains Therefore, it is most suitable type of traction system to be used for underground and tubular railways. Straight electric traction system has high traffic holding capacity and . the Black Mesa . The locomotive is self-propelled, generating energy through the burning of fuel, the use of electricity, magnetic levitation, or other methods. It needed less maintenance, used less fuel and could be operated with a smaller crew. 5. What you want more? 2021-08-02. Cleanliness Electric traction is free from smoke and flue gases, etc. A locomotive is a specialized type of train car which is used to run the whole train. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion. In addition, the master controller has no contact wear. Also, looking at electric operations from a costs-versus-benefits standpoint, electric compared to diesel-electric operation is more attractive. 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. 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. Electric-powered trains have a number of advantages over diesel engines. Locomotives can be used to either push or pull train cars. Environment friendly Disadvantages 1. This is non-electric drive mostly used for road transport. The battery-powered locomotive is the perfect complement to its diesel-electric brethren. Then the operator can decide how to use that power. Picture below shows 12628 Karnatka Express at Manmad Station. Adhesion = Coefficient of friction x . The Hauling capacity of Electric Locomotive is 3102 for electric traction as compared to 2992 for diesel traction. Advantages of electric train Electric locomotive having more cleanliness compared to diesel engines because it is free from smoke and flue gases. It is having a capacity to carry large loads. 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. It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. Higher reliability The locomotive of this system adopts a three-phase AC asynchronous motor. Its main features are: (l) The whole machine adopts the form of bicycle . 1. 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 diesel-electric locomotive offered many advantages over its steam-powered counterpart. 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. 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. The steam locomotive's main advantages were speed and safety. 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. Electric locomotives usually cost 20% less than diesel locomotives, their maintenance costs are 25-35% lower, and cost up to 50% less to run. A Virgin train travels alongside the West Coast mainline (Martin Keene/PA) They have quicker acceleration, lower fuel costs . (b) overcome friction, windage and curve resistance. 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. 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. The battery charging is generally operated in the . . 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). Electric locomotives are very fast and thus, are best suited for aiding the movement of passengers, goods and services from one place to another. advantages and disadvantages of diesel locomotive. Electric locomotives have been preferred over diesel locomotives as they are much faster and more efficient. Recent advancements in efficiency include regenerative braking, which can be used to recover energy from braking, via motor-inverter drive systems. Except for a few captive systems (e.g. If not than you have to use diesel locomotive. Further, a fire has to be banked even when the locomotive is idle. Benefits of Electrification. 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. The electric locomotives are also more reliable. The same situation prevails for coaching train requiring two locomotive for hauling 24 coach. The fuel cell shunter combines the environmental advantages of an electric locomotive with the lower infrastructure costs of a diesel-electric locomotive. By Mahesh Kumar Jain on June 19, 2013 . The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion . 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). Plus, trains don't need to carry their own fuel and fuel is . Electric locomotives have been preferred over diesel locomotives as they are much faster and more efficient. 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. 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 locomotives are quiet compared to diesel locomotives since there is no engine and exhaust noise and less mechanical noise. 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. 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. 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. The mail and material shipped with trains were hard to steal and were protected against the elements. They include a more efficient propulsion system, less pollution, increased operational efficiency, especially at slow speeds (important for applications such as . Internal Combustion engine drive. 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. advantages of these components are a combination of those of batteries and conventional capacitors at . If you want to include any points about the diesel vs electric locomotive India, you can drop the comment in below. What are the advantages of locomotive? For given maximum axle load tractive efforts of AC. Both proposed a . 27. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. 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%. Electric lines mean that trains with heavy diesel engines are not needed. Battery-type electric locomotives are powered by batteries. 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. Some nuclear submarines also use a similar turbo-electric propulsion system, with propulsion turbo generators driven by reactor plant steam. The first known electric locomotive was built by a Scotsman [1], Robert Davidson [2] of Aberdeen in 1837 and was powered by galvanic cells. . The electric locomotives are also more reliable. The straight electric traction system possesses the following advantages . It also didn't require expensive support structures like roundhouses, coaling towers and water tanks. We conclude that the electric locomotive is better than the diesel-electric locomotive. What are the advantages of locomotive? (c) accelerate the train mass. 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 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. 3. locomotive will be. The upfront . 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 study concluded that a fuel cell hybrid shunt locomotive is a viable solution for operation in the LA metro area. AC traction for locomotives is a major improvement over the old DC systems. . So advantages of electric locomotive is that it is simple to use, and very simple to transmit power to motion. No need to add Electrolyte, no Acid mist discharge. The principal energy loss is due to the These values are in contrast to the 5-8% efficiency of a steam locomotive. What are the advantages of the structural performance of mining dual-supply electric locomotive? [6] 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. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. By Daniel Garrun. 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 . One of the main advantages that has drawn manufacturers when it comes to electric locomotives is their unparallelled efficiency. 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 also emits very little acoustic noise. . this system is clean and hence is suitable for underground railways. Day by day, the number of trains running with the electric locomotive engine is increasing. Due to the absence of smoke, ash, etc. Compared with steam, the diesel traction unit had a number of major advantages: 1. Ans: d. 28. Being simply power-converting, rather than power-generating, devices, electric locomotives have several advantages. The diesel-electric locomotive offered many advantages over its steam-powered counterpart. It needed less maintenance, . It needed less maintenance, used less fuel and could be operated with a smaller crew. Electric locomotives are ideal for commuter rail service with . A further advantage is that the electric motors in the train are highly efficient, with efficiency regularly around 90%. 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