Working of steam turbine [7 easy points to remember]

Working of steam turbine

Working of steam turbine

Are you looking for working of steam turbine ? Then you are at right place to learn the working of steam turbine in seven simple steps.

Steam turbine definition

A steam turbine is a Mechanical device that extracts thermal energy from pressurized steam and uses it to do mechanical work on a rotating output shaft. Its modern manifestation was invented by Sir Charles Parsons in 1884.

steam turbine diagram

Working of steam turbine

 

Steam turbine basics

A steam turbine generator works by heating water to extremely high temperatures until it is converted into steam, then the steam energy is used to rotate the blades of a turbine to create mechanical or rotational energy.

This rotational energy caused by the high pressured steam turbine is used to generate electricity from an attached generator.

Also read : Other thermal engineering topics

Steam turbine working animation

In the diagram below we see a simplified example of how a steam energy turbine works.

Working of steam turbine animation

Image Credits

(1) A heat source is used to convert water in to steam.  This is done by burning of pulverized coal or some other fuels.

(2) Boiler contains water and it uses the heat energy to convert the water into high pressure steam.

(3) The high pressure  steam is expanded in the nozzle. Here pressure energy is converted in to Kinetic energy.

(4) The steam turbine shaft is connected to the generator shaft by means of Coupling. As the steam turbine spins, the generator spins and thus electricity is produced.

(5) The electricity produced is  distributed by the power stations by means of cables.

(6) The steam that uses it’s energy to spin the turbine passes through and is cooled using a cooling tower. The steam could alternatively be cooled naturally, perhaps using a lake or river.

(7) The cooling tower releases the already used, lower energy, and cooled steam into the atmosphere. Also, the remaining water that is cooled back into a liquid state. This is pumped back into the boiler and repeats the process again, creating more energy from steam.

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