Introduction

The Hydropower or hydroelectricity is an electrical energy obtained by converting the hydraulic energy through various flows water which includes rivers, waterfalls, and ocean currents. Hydropower is a renewable energy. It is also considered a Clean Energy although recently changed. Hydropower is the second largest source of renewable energy in the world. Among the energy, the hydraulic sector includes large dams, tidal power plants, small run-of water and water mills. It is one of 5 families of renewable energy with solar, wind, biomass and geothermal. 

The principle function of hydropower is simple enough. Chain waterworks provides the necessary water pressure that comes onto the turbine blades, which further drives a generator, hence producing electricity. Required water pressure is generated by the construction of the dam, and as a consequence of the concentration of the river in a certain place, or derivation. Derivation is the natural current of the water. In some cases, to obtain the required water, pressure is used in conjunction. The different forms of hydropower include:

Power over water: Power over water uses part of the flow of rivers to generate electricity. They run continuously, because there is no storage basin capable of retaining the water

The tidal power: A tidal power plant is a hydroelectric plant that uses tidal energy to generate electricity.

From waves: Creating power through waves was initially introduced by Japan, followed by Norway and United Kingdom. The type of energy is produced as waves enter a kind of submerged caisson, open at the base, and then push air into the turbines that drive generators to produce electricity.

From ocean currents: The use of turbines (a kind of "wind" underwater) that makes use of the ocean currents to produce electricity which is then distributed to areas that requires it. A lot of power equipment is involved in building hydroelectric power. Depending on the destination, it has a certain division. Hydroelectric stations are separated depending on the power generated.

Hydroelectric power depends on the pressure and flow, as well as the efficiency of the use of turbines and generators. Due to the fact that the natural laws of the water level is constantly changing, depending on the season, For example, distinguish a one-year, monthly, weekly or daily cycles of hydroelectric power.

Discussion

Where everything has its pros and cons such is so with hydroelectricity as well. Pros of hydro electric power are:

Cheaper

Coming down to pros of hydroelectric power it includes that the exploitation of hydropower has many advantages over other methods. First, it is one of the energy sources that are cheaper because its return on investment is very fast. This is due to the fact attributed by its continuous operation facilities and that it requires less maintenance. Indeed, the water that flows through the turbine continues to produce electricity. The amount of energy produced during this period amply justifies the initial cost of installation.

Natural energy that goes on

Hydroelectric power provides unmatched performance, without depriving generation's future raw materials, as well as without burdening of pollutants or waste. This is so as natural energy that provides scalability. One of the main advantages of hydroelectric power is that it is the only energy on ...