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Details about solar power for essays
Details about solar power for essays
Solar energy essay of 1000 words
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Energy, Power, and Planning
Marines need portable power sources for small equipment. They need to operate their equipment from remote conditions. The renewable power sources should be able to operate all the power equipment. Power management is very important for marine troops. To use renewable energy efficiently, they need to have a good idea of how much power they need. They have to be knowledgeable of inclement conditions. The effectiveness of renewable energy depends on the understanding of peak power demands. Storage capacity also play a very important role when dealing with solar energy.
Marines use a variety of electrical components such as laptops, projectors, printers and LED lights. Each equipment has different power consumption rate. Laptops consume the maximum power. Power consumption by one laptop is insignificant, but the marines use many laptops for different purposes. Power generation and distribution costs depends on what kind of technology is used.
Photovoltaic System
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The effectiveness of PV module depends on how perpendicular the sunrays fall on the PV. If PV is facing toward the sun, it produces maximum power. Stationary solar panels cannot face toward the sun all day as sun moves. However, maximum radiation depends on two other aspects of stationary solar panels. One is the direction and the other is the tilt angle of the panels. A meter long panels can generate maximum of 1000W, if sunlight strikes directly on it. Few factors affect the sunlight strikes a PV panel. When the sunlight passes through the air, air molecules such as dust, vapor, clouds, volcanoes can absorb some of the radiation. This absorbed part of radiation is known as diffuse solar radiation. Atmospheric conditions have great effect on solar radiation. The solar radiation can decrease 10% to 100% depending on
http://www.army.mil/article/79388/ (accessed March 16, 2014). Tiwari, G.N., and R.K. Mishra. Advanced Renewable Energy Sources. Cambridge, U.K.: RSC Publishing, 2011. U.S. Congressional Record - Senate.
Solar energy is energy taken from the light that reaches earth's surface from the sun. There are four different kinds of solar energy, which are active solar systems, passive solar systems, photovoltaic cells and concentrating power systems. An active solar systems is a system that captures solar energy by mechanical means. Common active solar systems are often in buildings or homes. Some examples are roof collectors and water heating. Low Intensity and high variability have limited the use of active solar energy in Canada. A pass...
In mid January, the Navy launched the “Great Green Fleet” out of San Diego. The Fleet represents the Navy and Marine Corps' first strides into adopting alternative energy sources to enhance military operations. The energy-saving capability will help to combat the over usage of the Earth’s natural resources and protect the economic welfare of rural America. The launch of the fleet is a milestone in the military not relying on foreign sources for their energy.
The sun has been a major aspect of life since the beginning of time. People used many other forms of energy before electricity was discovered. There has been a debate over energy resources for years. Many people are worried about what current energy resources may be doing to the environment. Oil spills and nuclear power plant mishaps have only been a few accidents that have had a big impact on the environment and the people who inhabit it. There are plenty of energy sources that do not harm the environment and are still able to get the job done. Solar energy is one energy alternative that will insure the betterment of the country and, at the same time, protect the natural environment.
"In 2015, the average annual electricity consumption for an U.S. residential utility customer was 10,812 kilowatt-hours (kWh)." Based on the population of the united states verse other countries in the world, we use a vast amount of energy per person. As the population grows we need more energy such as renewable and nonrenewable energy.
With obstacles around the building giving off shade it needs to have the right amount of shade and the timing it shades the area for correct amount of sun the solar panels should absorb, the weather of an area plays a lot in the structures energy source.
As I going to write about the renewable energy the very first question arise in my mind is, “Why We Need Renewable Energy Sources?”. So first of all I want to put some lights on this.
Energy is the basic necessity of daily life. Nowadays, dependence on fossil fuels for energy needs becoming lower in numerous countries due to the potential of renewable energy to supply sustainable energy to the huge populations in many developing countries who are short of clean and continues energy. Generally, renewable energy can be defined as energy that is derived from natural resources which are constantly replenished and theoretically inexhaustible. Fossil fuels on the other hand can be described as energy that cannot be renewed and will eventually diminish. Thus, in many developing countries renewable energy is the alternative energy to replace non-renewable energy or commonly known as fossil fuels. In addition, according to Sorensen (2004), there is a greater demand for renewable energy sources nowadays due to the uncertainty of fuel price rise in living expenses. Commonly, there are many types of renewable energy available in our world such as wind power, biomass energy, solar energy, hydroelectric power and geothermal energy. However, the main three example of renewable energy are hydroelectric power, solar and biomass energy (Refer to Figure 1 in Appendix 1).
Solar thermal energy is dead! A solar thermal heating system can cost upwards of $7,000 to install and it most likely won't even save you too much money. This is why many people debate over whether they should use a solar thermal water heating system, because they think they are saving money, or an inexpensive traditional water heating system. A traditional heating system is a system that is powered off of electricity, gas, oil or some other fuel. A solar thermal heating system uses the energy from the sun, hence “solar”, and it turns that energy into hot water to either heat a home or to provide domestic hot water. The energy from the sun is captured by energy collectors, also known as solar panels. The water is heated inside the panels and then distributed throughout the home for use or stored in a tank for later use. The ideas behind this sound great, but in reality that is not the case.Solar thermal energy is not the best choice for home heating a home or hot water heating.
At our new house, we have two stand alone pedestals with six 170W panels on each pedestal, making for 2040W or 2kW solar system. According to Mr. Solar.com, “this type of energy production, known as the Photovoltaic Effect, is achieved by solar panels converting sunlight into energy. Solar panels are made up of several individual solar cells, composed of layers of silicon, phosphorous (which provides the negative charge), and boron (which provides the positive charge). Solar panels absorb the sunlight’s photons and by doing so initiate an electric current, producing electrons. The resulting energy generated from photons striking the surface of the solar panel allows electrons to be knocked out of their atomic orbits and released into an electric field generated by the solar cells, which then pull these free electrons into a DC or directional current.” This electricity then proceeds to a mechanical room beneath our house to a charge controller, which regulates the amount of energy sent to our 24V batteries to be stored. From these batteries, the electricity goes to an inverter, which then changes the DC to AC or alternating current in order to use our modern electrical appliances and gadgets.
The United States currently relies heavily on coal, oil, and natural gas for its energy. While the price of natural gas per barrel continues to plummet, the United States is constantly seeking new sources of renewable energy. Renewable energy consists of any type of natural resource (solar power, ocean power, wind power, rain, snow, etc.). that naturally and automatically replenishes itself. Renewable energy is important because it is infinite and everlasting, meaning our children and our children’s children will be able to utilize these resources long after we are gone.
Of course, during the daylight hours only, solar energy is directly accessible. Depending on the weather conditions and the season, the intensity of the energy varies at different locations. The solar radiation that reaches the top atmosphere is equivalent to 1366W/m2. At the equator, the radiation that reaches the ground is about 1000W/m2. In the lower atmosphere, the energy is about 0.5 W/m2 due to the thicker atmosphere. Conditions like clouds, pollution and aerosols can also reduce the amount of radiation that reaches the ground. In North America, the average solar energy available varies from 3000 to 9000 Wh/m2 per day. In Northern Europe, solar energy varies from 2000 to 3000 Wh/m2 per day. In contrast, the tropics receive around 6000 Wh/m2 per day. There are a lot of different ways to use solar energy. Some technologies are used to produce heat from solar energy. Other technologies use solar energy to produce electricity.
First of all, solar energy is the energy produced when the sun heats the solar panel. Thus, when the sun heats the panels, it produces electricity. Solar power produces energy during the day and can store energy for the night. Solar power does not pollute the environment. However, it has high maintenance cost, and it takes a lot of land space.
This is because many waves, including light, will travel away from the filament in a circular motion, not straight lines directly towards the solar cell, so the further away it is, the less rays will hit it. · A changing power to the light source, and therefore, to the solar cell, will affect the solar cell output. Theoretically, an increase in power at the light source should result in more energy being transferred to the solar panel, per second, resulting in a greater solar cell output. · The different colours of light would also affect the solar cell output, as each colour of light has a different frequency. We can tell this from Einstein's theory of photons being directly proportional to frequency: Energy =
On-demand usage is the biggest plus point solar generators apart from savings. Manufacturers came up with innovating ideas solving the storage capacity and the battery weight issue. Now we can even get compact, 1.6 lbs weight, yet rugged enough solar power generators that can be carried anywhere and rough outdoor usage.