Gas Turbine Engineering Handbook BOOK PDF FREE 2022.

  Gas Turbine Engineering Handbook BOOK PDF FREE 2022.

 

Gas Turbine gas turbine electricity generation: 

 

Gas turbine power plants are relatively recent and the Middle East is one of the most used countries. They have different capacities and sizes from 1 MW to 250MW, usually used during peak pregnancy in countries where there are steam or water plants, with take-off and stop time ranging from 2 minute,and ten minutes. 

 

In most of the Middle East, especially in Saudi Arabia, gas turbines are used to generate energy throughout the day, including the peak period. Today we find in the markets mobile units of these generators for emergencies of different sizes and capacities. 

 

These generators are simple, relatively cheap, fast to install and easy to maintain and do not need much water to cool down. It also has the potential to use many types Fuel (pure crude petroleum - natural gas - heavy gas etc...) Characteristic As well as the speed of operation and the speed of stop.

Their misdeeds are twice the yield of 15-25% and their age Time is relatively short and consumes more fuel than generating stations steam thermal.

Components of Gas Turbines:

The main parts of the gas turbine generating plant are:

a) The Air Compressor air compressor.

It takes air from the ambient atmosphere and lifts its pressure to dozens of air pressures.

b) Combustion Chamber.

Compressed air from the air presser is mixed with fuel and burned together by flammable means. Combustion products from different gases are at high temperatures and high pressure.

c) Turbine The Turbine

It is a horizontal axis turbine tied on the one hand with the axis of the air piston directly and on the other hand with the generator but by the gearbox to relieve the speed because the turbine rotation speed is very high not commensurate with the rotation speed of the electric generator.

Combustion gases enter the turbine and collide with its many feathers in terms of low pressure (the diameter of the turbine in this respect) into the air through

Chimney.

d) Electric generator The Generator.

Gas turbine power plants are relatively recent and the Middle East is one of the most used countries. It has different capacities and sizes from 1 MW to 250MW, commonly used during peak load in countries where there are squirt plants

The electric generator connects with the turbine by a gearbox to reduce the speed as mentioned and in some modern turbines divide the turbine into two turbines for pressure and high speed directly connected with the air piston and the second is called the connected power turbine

Directly with electric generator axis.

Auxiliaries machinery and equipment

Gas turbine stations need some auxiliary equipment and machinery as follows:

Air strainers before entering the air presser.

The primary operating assistant is either a diesel engine or an electric motor.

Flammable aids.

Plant cooling water cooling machines.

Thermometry and pressure equipment at each stage of work.

Various known electrical measurement equipment.

 

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