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Combustion engines are a well-known technology used in automobiles, trucks, construction equipment, marine propulsion, and backup power applications. Combustion engines employ the expansion of hot gases to push a piston within a cylinder, converting the linear movement of the piston into the rotating movement of a crankshaft to generate power. While the steam engines that powered the industrial revolution were driven by externally-produced steam, modern combustion engines used for electric power generation are internal combustion engines in which an air-fuel mixture is compressed by a piston and ignited within a cylinder. Reciprocating internal combustion (IC) engines are characterized by the type of combustion: spark-ignited (SG) or compression-ignited, also known as diesel.
The SG engine is based on the Otto cycle, and uses a spark plug to ignite an air-fuel mixture injected at the top of a cylinder. In the Otto cycle, the fuel mixture does not get hot enough to burn without a spark, which differentiates it from the Diesel cycle. In diesel engines, air is compressed until the temperature rises to the auto-ignition temperature of the fuel. As the fuel is injected into the cylinder, it immediately combusts with the hot compressed air and expanding combustion gases push the piston to the bottom of the cylinder.
Engine Operation
Each movement of the piston within a cylinder is called a stroke. Reciprocating IC engines are described by the number of strokes to complete one power cycle and the speed of crankshaft (expressed in revolutions per minute, rpm). For electric power generation, four-stroke engines are predominately used. During the intake stroke, the premixed air and fuel (SG engines) or air (diesel engines) is drawn into the cylinder as the piston moves down to “bottom dead center” position. During the compression stroke in SG engines, the air-fuel mixture is compressed by the piston and ignited by a spark from a plug. Auto-ignition in SG engines is prevented with proper limits on the compression ratio.
Diesel engine
Diesel engine is one of the main components present in the diesel power plant. Mainly the engines are classified in to two types they are two stroke engine and four stroke engine. In the diesel engine the engine is straight away joined to the generator to develop power. In the engine the air entered in the cylinder must be compressed. Fuel must be injected by the end of the compression stroke. After the burning of the fuel the burnt gases expand and apply pressure on the piston. To the generator the shaft of the engine is straightly attached to the engine. After the completion of the combustion the burnt gases are ejected in the atmosphere.
Wijaya Inti Sejahtera sale and provide engine with many brand with any kind fuel for engine. We are trying to help our client for them project. One of engine for make power plant is Diesel Engine. This article help for description how to work diesel engine.
Wartsila Engine
Wartsila had engine for low medium speed with fuel from diesel, gas, dual fuel for marine propulsion, electricity generation on board ships and for land-based power stations. We are provide Wartsila Engine from capacity 1 MW up to 16 MW. Exellent fuel flexibility allowing operation on HFO, LBF, MDO and ultra low sulphur fuel. Low fuel oil consumption over a wide load range. Utmost power-to-weight and power-to-space rations in combination with a great flexibility in engine support arrangements allows optimised rigid or flexible installation for a wide range of vessel applications. High reliability and proven in service makes the Wärtsilä an excellent choice for any application.
MAN Engine
MAN Engines offers reliable diesel engines for Emergency Standby Power (ESP) and Limited Time Running Power (LTP), Prime Power (PRP) and Continuous Power (COP) mode. In ESP and LTP operation, engines with an output from 396 kW to 1,117 kW supply emergency power during power outages in, facilities prone to failure for instance, and therefore impress through their dependable and fast load pick-up. Liquid fuel engines from MAN Diesel & Turbo offer outstanding high mechanical efficiencies making them ideal core components for power plants with low emissions and excellent fuel economics. For electricity generation at base load, peak load and self-supply, MAN Diesel & Turbo liquid fuel engines are the ideal solution.
MaK Engine
The MaK line of heavy fuel oil, marine diesel, gas and dual fuel engines is used in a wide variety of marine applications. In the medium speed propulsion MaK is one of the top engine brands. MaK engines, based on a long-stroke philosophy to improve fuel consumption and exhaust emissions, are also capable of running on economical Heavy Fuel Oil. The MaK product line offers main propulsion engines from 1,020 kW to 16,000 kW, and generator sets from 970 kWe to 15,360 kWe. Because of these factors, the MaK brand holds significant importance for customers in the cruise, ferry, cargo, inland waterway, offshore, tug and salvage, fishing, governmental, and dredge segments.
MWM Engine
MWM develops trend-setting, powerful products, services, and technologies for decentralized energy supply with gas engines. For more than 140 years, we have been a reliable partner in the development and production of customer-specific energy solutions, accompanied by extensive consulting and supervision services during the entire product lifecycle.MWM gas engines and gensets: power range from 400 kWel to 4,500 kWel. The gas engines can be run on natural gas, biogas and on gases containing hydrogen.
Mitsubishi Engine
Mitsubishi KU series provides low-cost power generation and stable energy supply, with systems that reflect environmental requirements, winning the trust of our customers.After being in the market for over 25 years, our Mitsubishi KU30A model is still a reliable and flexible world-class diesel engine. We are offers a variety of highly efficient diesel engine lineup and uses them to structure highly cost-effective diesel power stations to suit the needs of our customers.
Deutz Gas Engine
Deutz is one of world top famous engines from Germany and widely acceptable all over the world. As an independent provider of diesel and gas engines in the power range from 19 to 620 kW. Deutz Engine are vastly used in transportation sector, buildings, telecom, schools, hospitals, ships, petrolube oil fields and industrial power supplying area etc. With Deutz generating set reliability, durability, flexibility, energy-saving, environment protection and wonderful World wide after-service networks. Deutz Generator Set act as a fundamental role in global gensets industry.
Cummins Engine
Cummins provides efficient, fully-integrated power generation systems built for reliability in uncertain circumstances. From home to hospital, data center to mining operations our power generation products inspire confidence and keep the lights on. Our product lines are designed with state-of-the-art technologies to provide standby power and distributed power generation and auxiliary power for a wide range of needs. Anytime, anywhere, Cummins generators are ready to keep you up and running, no matter what.
Perkins Engine
Perkins Diesel generator set rated speed 1500rpm, four-stroke, water cooling fan, turbo, in the cold air, with ISO3046 standards, compact, power, high reliability and low cost of installation and maintenance costs, work Long cycle.Excellent damping performance: computer-based simulation of the dynamic damping system optimized.Advanced control system: Based on the reliability of the entire design of the monitoring system control strategy. Environmental protecting, energy-saving and low-emission diesel generating unit.
MTU Gas Engine
MTU Onsite Energy provides reliable gas generator sets for a wide variety of applications. Industries and locations may vary, but the need for constant power never changes.Whether it’s continuous, standby or prime power, power generation or combined heat and power production (CHP), MTU Onsite Energy gas generator sets are effective, dependable and configured to meet your exact requirement.Continuous Power : Natural gas and non-natural gas fueled generator sets and modules;50 Hz and 60 Hz products;Electrical power range from 120 - 2,500 kWe.