(d) Emergency plant: During power interruption in a vital unit like a key industrial plant or a hospital, a diesel electric plant can be used to generate the needed power. Air from the atmosphere is drawn into the compressor and it is compressed. 3. Read more about this portal or Sachin Thorat click on below button! The fuel oil may be supplied at the plant site by trucks, road, rail, tank etc. 4. Cooling system The temperature of the burning fuel inside the engine cylinder is in the order of 1500 0 C to 2000 0 C. In order to lower this temperature, water is circulated around the engine. 14. This workshop is designed to familiarise You with various aspects of diesel generating power plants for practical application. It’s Cost of Power Generation and Calculation, Hydro Power Plant: Types, Working, Advantages and Disadvantages, Thermal Power Plant: Layout, Working, Elements, Advantages and More, Coal Handling Plant [Layout] in Thermal Power Generation, Gas Turbine Power Plant: Types, Working, Advantages, Applications, Solar Power Plant: It’s Working and Types of Solar Power Plant, Types of Wind Turbine & Difference Between Horizontal & Vertical Axis Wind Turbine. High maintenance and lubrication cost . (e) Nursery station: In the absence of main grid, a diesel plant can be installed to supply power in a small town. The function of the air filter is to remove the dust from the air which is taken by the engine. The cost of the building becomes very low. If What you looking for is not here, you may send a request to modify articles, Notes, and Content modification, Feedback, Suggestions here (Team will reply as early as Possible ): Important fuel specifications for Diesel Used In IC Engine. 4.4.6 Performance Testing of Diesel Engine Power Plant 4.5 Summary 4.6 Answers to SAQs 4.1 INTRODUCTION A generating station in which diesel engine is used as the prime mover for the generation of electrical energy is known as diesel power station. 2. This includes the silencers and connecting ducts. Introduction to Slotting Machine : Diesel engines … The plant is powered by 38 Wärtsilä 50DF multi-fuel engines with a combined capacity of 573 MW. Engine Starting System. In this post, you will learn about diesel power plant with its layout, components used in diesel power plant it’s working, advantages and applications. Lubricating system 7. The water envelopes (water jacket) the engine, the heat from the cylinder, piston, combustion chamber etc, is carried by the circulating water. In a diesel power station, diesel engine is used as the prime mover. For starting the engine initially, the various things used are compressed air, battery, a self-starter or electric motor. Engine starting system Diesel engine used in diesel power plants is not self starting. The diesel burns The fuel is supplied to the engine according to the load on the plant. (v) Diesel power plants are becoming more popular because of difficulties experienced in construction of new hydel plants and thermal plants, The essential components of diesel power plant are, • Diesel engine • Air filter and super charger • Engine starting system • Fuel system • Lubrication system • Cooling system • Governing system • Exhaust system. It is easy to design and install these electric stations. Efficiency at part loads is also higher . (c) Standby unit: If the main unit fails or cannot cope up with the demand, a diesel plant can supply the necessary power. Governing system It is used to regulate the speed of the engine. Diesel Power Plant. This consists of the governor and its function is to maintain the speed of the engine constant irrespective of load on the plant by controlling the fuel supply to the engine according to the load. Location of the plant is near the load center. The function of the lubricating system is to reduce the friction Cannot supply overload . These can be used as an emergency plant for communication and water supply under emergency conditions. Additionally, he has interested in Product Design, Animation, and Project design. The diesel power plant used as a Nursery station to supply power to a small town or city. The diesel power plant essentially consists of the following components: It is the main component of the plant which develops the He is also an author and editor at theengineerspost.com. For small DG set, the initial rotation of the shaft is provided by handles but for large diesel power station. Such diesel plants are called “Nursery Stations”. connecting pipes. The use of the supercharger is to increase the pressure of the air provided to the engine to increase the power of the engine. In addition, most power utilities themselves set up generating plants based on diesel engines for various purposes. Introduction to Seals : diesel plant can be installed to supply power to villages. The fuel oil is supplied from the tank through the filter to the fuel injectors. Today diesel engines are the backbone of any industry. The diesel power plants are installed where the supply of coal and water is not available in sufficient quantity or where power is to be generated in small quantity or where standby sets are required for continuity of supply such as in hospitals, telephone exchanges etc. Diesel engine: This is the main component of a diesel power plant. 11. They require less cooling water . Your email address will not be published. Federal regulations governing the hours of operation are different for emergency and non-emergency uses. Explain how diesel power plants are used for starting power plant. The slotter or slotting machine is also a reciprocating type of machine tool similar to a shaper. Starting system • Diesel engine used in diesel power plant is not self starting . This system provides proper control of water circulation all around the diesel engines to keep the engine temperature reasonably at a low level. Facility owners must determine the type of use and application for the generator—emergency, non-emergency standby or prime power. Capital cost is less. major system in diesel power plant engine system starting system lubrication system fuel system air intake system and supercharge cooling system exhaust system governing system. If What you looking for is not here, you may send a request to modify articles, Notes, and Content modification, Feedback, Suggestions here (Team will reply as early as Possible ): Contact Form or Using Whatsapp, © 2021 Copyright Learn Mechanical Engineering. Engine starting system. For starting a diesel engine, initial rotation of the engine shaft is required. More efficient than the steam power plant. They can be started and stopped quickly. (f) Starting stations: Diesel units can be used to run the auxiliaries (like FD and ID fans, BFP, etc.) Fuel system 5. temperature of the exhaust gases is sufficiently high, therefore, the heat of In larger units, compressed airis used for starting; air at high pressure is admitted to … The diesel engines are generally classified into four strokes and two-stroke engines. Unhygienic emissions. They occupy less space . 5. The layout of a diesel power plant is shown in the figure. (vi) Engine starting system: This is an arrangement to rotate the engine initially while starting until firing starts and the unit runs with its own power. 5. Save my name and email in this browser for the next time I comment. It includes oil pumps, oil tanks, filters, coolers and The hot water leaving the jacket is passed through the heat exchanger. They can respond to lo ad change s without much difficulty. Your email address will not be published. Identify all main components of an electric starter … It includes lubricating oil tank, pumps, filters and lubricating Fuel system It includes the storage tank, fuel pump, fuel transfer pump, strainers and heaters. Starting of the diesel engine includes the air tanks along with the air compressor. Starting a small diesel is easy but for larger engines, we need a special mechanism dedicated to this only. Diesel power stations are recommended in places such as hospitals, and remote areas where small supply is required and other power stations are far away and uneconomical. High operating cost. (b) Mobile plant: Diesel plants mounted on trailers can be used for temporary or emergency purposes such as for supplying power to large civil engineering works. Starting system 8. The heat from the heat exchanger is carried away by the raw water circulated through the heat exchanger and is cooled in the cooling tower. Electrical Engineering MCQ Questions on Diesel Power Plant. In this post, you'll learn about what is a solar power plant and different types of solar power plants. It includes storage tank, fuel transfer pump, strainers and This site uses Akismet to reduce spam. 6. This post will introduce the working principle and components of diesel engine cooling system in detail. This leakage of... Slotter Machine - Types, Parts, Operations, Diagram, Specification. The shaft of the engine is directly coupled to the generator. Diesel electric plants can be used as central station where the capacity required is small, Advantages and disadvantages of diesel power plant, Following are the advantages of diesel power plant. For example, if water available in a hydro-plant is not adequately available due to less rainfall, the diesel station can operate in parallel to generate the short fall in power. Noise problem. The cooling water is continuously supplied to cool the engine and lubricating oil is supplied to lubricate the engine parts. This includes compressed air lanks. Wärtsilä has been responsible for leading the EPC (engineering, procurement and construction) consortium. A diesel power station uses diesel engine as prime mover source. Engine 2. Such a diesel plant is called a “nursery station”. The function of this system is to start the engine from the cold by supplying the compressed air. Engine starting system includes air compressor and starting air tank. A supply of compressed air is stored in air reservoirs or 'bottles' ready for immediate use. The diesel power plant essentially consists of the following components: 1. required power. It is worth taking a few time to read it. Engine starting system includes air compressor and starting air tank. The hot oil after cooling the moving parts return to the lubricating oil tank. The basic principle in diesel engine is that, the thermal energy is converted into mechanical energy and this mechanical energy is converted into electrical energy to produce the power by using generator or alternator. Required fields are marked *. Starting air system for diesel engine - how it works Diesel engines are started by supplying compressed air into the cylinders in the appropriate sequence for the required direction. This is used to start the engine in cold conditions by supplying the air. Requires less operating and maintenance staff. Compressed air at about 17 bar supplied from an air tank and admitted to the engine cylinders making them work like reciprocating air motor to run the engine shaft. The compressed air is supplied to the engine through the filter for starting, where it is compressed by a piston in a cylinder. read more : Important fuel specifications for Diesel Used In IC Engine. Air filter and supercharger 3. 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