Question

Write a short note on Hydral and thermal energy.

Answer 1

When electricity is generated from flowing water, this is called hydroelectric energy, and the prefix 'hydro' refers to water. Hydroelectric energy is considered a renewable energyresource because it's an energy resource that regenerates in a short time period. You can think of this like the hair on your head.


A thermal power station is a power station in which heat energy is converted to electric power. In most of the places in the world the turbine is steam-driven. Water is heated, turns into steam and spins a steam turbine which drives an electrical generator. After it passes through the turbine, the steam is condensed in a condenser and recycled to where it was heated; this is known as a Rankine cycle. The greatest variation in the design of thermal power stations is due to the different heat sources; fossil fuel dominates here, although nuclear heat energy and solar heat energy are also used. Some prefer to use the term energy center because such facilities convert forms of heat energy into electrical energy.[1] Certain thermal power stations are also designed to produce heat energy for industrial purposes, or district heating, or desalination of water, in addition to generating electrical power.