What is the most significant difference between diesel generators and gasoline generators?

Diesel generators are similar to gasoline generators in many ways, they are almost the same on the outside, and the internal parts are very similar, in fact, most of the parts on the side of diesel generators are stronger and heavier than gasoline generators. , this is because the diesel engine has to withstand greater pressure in the unit. The main difference between diesel generators and gasoline generators is the difference between the ignition device and the fuel system. The gasoline generator uses a carburetor, a distributor, and several spark plugs, while the diesel generator is a compression ignition internal combustion engine, which uses a Fuel injection pump and several fuel injectors.

 

       Diesel generators are similar to gasoline generators in many ways, they are almost the same on the outside, and the internal parts are very similar, in fact, most of the parts on the side of diesel generators are stronger and heavier than gasoline generators. , this is because the diesel engine has to withstand greater pressure in the unit. The main difference between diesel generators and gasoline generators is the difference between the ignition device and the fuel system. The gasoline generator uses a carburetor, a distributor, and several spark plugs, while the diesel generator is a compression ignition internal combustion engine, which uses a Fuel injection pump and several fuel injectors.

 

       The operation of diesel generators depends on air, fuel and ignition just like gasoline generators. The most notable differences between diesel generators and gasoline generators are as follows:

 

       1. The type of fuel

       The fuel used by diesel generators is diesel, while the fuel used by gasoline generators is gasoline. Diesel is a fuel with lower volatility than gasoline, but diesel has a larger calorific value per gallon. Therefore, from 4.5dm3 (1UKgal) diesel comparable Get more power from 4.5dm3 (1UKgal) petrol.

 

       2. Type of ignition

       In the cylinder of a gasoline generator, the fuel-air mixture is ignited with a spark plug, and in a diesel generator, the mixture is ignited with the heat formed by compression.

 

       3. Mixing of fuel and air

       In gasoline generators, the fuel and air are mixed in the carburetor and the air duct. In diesel generators, the mixing of diesel and air is carried out after the diesel is injected into the cylinder.

 

       Therefore, diesel generators have a specially designed combustion chamber, which facilitates the mixing of fuel and air. Since this mixing must be immediately after the fuel injection, the design and manufacture of the combustion chamber is very important for diesel generators. of.

 

       In recent decades, many countries and generator manufacturers have been conducting research on new technologies, especially the application of electronic technology, based on improving the power, economy and reducing exhaust emissions and noise requirements of diesel generators. new development.