Energy As An Source Of Energy For Electricity Essay

Since the beginning of humanity, people have relied on the sun for their daily needs. Whether it is to grow the crops that they eat, dry clothes or warm their family, people have relied on the resource of the sun for sustainability. It was not until people started to get the idea of managing this energy source, that people were able to fully take advantage of the sun.

Need Step Main Point: Fossil fuel electricity generators used to be our best friends, but now they are doing us many harms.

For solar cells, a thin semiconductor wafer is especially treated to structure an electric field, positive on one side and negative on the other. At the point when light energy strikes the solar cell, electrons are knocked loose from the atom in the semiconductor material. In the event that electrical conductors are joined to the positive and negative sides, structuring an electrical circuit, the electrons can be caught as an electric current – that is, electricity. This electricity can then be utilized to power a load, for example, a light or a device.

Solar and wind energy have different processes to produce electricity. Solar energy creates electricity by making large amounts of heat, which is conducted through electrical conductors and changed into electrical power. In most solar systems, solar panels mounted on the roof. These panels contain photovoltaic cells made from silicon that convert incoming sunlight into electricity instead of heat. “(“Photovoltaic” means electricity from light — photo = light, voltaic = electricity.)” The photons of the sunlight knock the electrons from the silicon, as a result, the negatively electrons accumulate in one side of the silicon cell to create electrical voltage. This current form photovoltaic array and flows through PV array cables, which are terminated in one fused array combiner box. It is designed to protect the PV cell cables, and to deliver DC (Direct Current)

Solar energy is a form of renewable energy obtained from Sun in the form of radiation and is mainly used for household purposes such as power supply and lighting. The energy from the sun is converted into the form of electricity by photovoltaic cells or solar panels which are solid state devices used to convert the radiation from the sun into the form of electricity. Even though it is a clean form of energy it too has some negative effects on the environment such as land use, water use and the wastage of hazardous materials used in solar cells.

A photovoltaic (PV) array is a power system designed to supply usable solar energy by means of photovoltaics. It consists of an arrangement of several components, including solar panels to absorb and convert sunlight into electricity. Solar energy is radiant light and heat from the sun that is harnessed and used especially in the field of power generation. One of the major sources of renewable energy at present times, solar energy has been of interest throughout the world particularly due to its availability in significant magnitude in comparison to other renewable sources.

• Battery –It is use to store energy for supplying to electrical appliances when there is a demand.

Solar Energy are gathered from the sun and it can be used in modern power generation. The formation of the Earth's living organisms are primarily based on the sun to provide heat and light for them to survive. Since ancient times human beings learnt how to use the sun to dried items, such as dried fish etc. Now, solar energy are collected from Photovoltaic modules or in other words, solar panels. Electricity are generated with the Photovoltaic effect, which converts sunlight into electrical energy.

Solar energy can be used today in a variety of ways. Probably because today, more and more people are understanding the advantages of solar energy as our solar technology increases and the cost of fossil fuels rises. Solar energy systems today can now used to power homes, cars, appliances in a ways of like Photovoltaic panels, Heating water, Lighting etc.

are more commonly known as solar panels. This allows us to capture the energy from the sun as

But power generation using solar energy is gaining more importance as it is ecofriendly, needs low

In these systems, energy storage is not necessary because solar radiation provides power in the houses and if there is surplus energy it can be injected into the grid (Fig.1.3).In this case,the inverter must integrate harmoniously with the energy(voltage and frequency) provided by the grid.

AC energy is generated by alternators, which require prime movers to drive them, the prime mover maybe a turbine or a diesel engine. Depending on the source from which the prime mover receives the energy, Power stations have the following classifications;

Energy sources are on the mind of everyone today am going to be selling solar panel as my product in Kenya and open small kiosk to charge cell phones as service line .We know that depending on natural gas, or coal threatens the future with toxic pollution and global climate change. Instead of depending on this unreliable fossil fuel, we need to transform our life and learn to thrive in this world by using renewable energy. According to International Energy agency, 585 million people in Africa don’t have access to electricity, with Kenya being the highest country (BBC website). United States of America power is available 24 hours a day, 7 days a week, while in Africa that sort of service is not available. America phones can be charged anywhere while in Africa there is no central grid to plug into, people own mobile phones and when they need to charge one can walk a one hour walk to the nearest city to charge their phone, many people have to leave their phones behind at the charging center for up to 2 days before returning to pick them up. To fight the darkness greater number of people depend on candles and kerosene lamps to provide basic lighting.

For electric utilities, it is the first process in the delivery of electricity to consumers. The other processes, electricity transmission, distribution, and electrical power storage and recovery using pumped storage methods are normally carried out by the electrical power industry.