ENERGY

ENERGY

One of the major concerns in the power sector is the day to  day  increasing  power demand but the  unavailability of enough resources to meet the power demand using the conventional energy sources. Demand has  increased  for renewable sources of energy to  be utilized along with conventional  systems to meet the energy demand. Renewable sources like wind energy and solar energy are the prime energy sources which are being utilized in this regard. The continuous use of fossil fuels has  caused  the  fossil  fuel deposit to be reduced and  has drastically affected the environment depleting  the biosphere and cumulatively adding to global warming.

Solar energy is abundantly available that has made it possible to harvest it and utilize it properly. Solar energy can be a standalone generating unit or can be a grid connected generating unit depending on the availability of a grid nearby. Thus it can be used  to power rural areas where the availability of grids is very  low.  Another  advantage  of using solar energy is the portable operation when ever wherever necessary.

In order to tackle the present energy crisis one has to develop an efficient manner in which power has to be extracted from the incoming solar radiation. The power conversion mechanisms have been greatly reduced in size in the past few years. The development in power electronics and material science  has helped engineers to  come up very small but power full systems to with stand the high power demand. But the disadvantage of the systems is the increased power density. Trend has set in for the use  of multi-input converter units that can effectively handle the voltage fluctuations.  But due to high production cost and the low efficiency of the systems they can hardly compete in the competitive markets as a prime power generation source.

The constant increase in the development of the solar cells manufacturing technology would definitely make the use of the set technologies possible on a wider  basis  than what the scenario is presently. The use of the newest power control mechanisms called the Maximum Power Point Tracking (MPPT) algorithms has led to the increase in the efficiency of operation of the solar modules and thus is effective in the field  of  utilization of renewable sources of energy.

Energy

Energy is fundamental to the quality of our lives. Nowadays, we are totally dependent on an abundant and uninterrupted supply of energy for living and working. It is a key ingredient in all sectors of modern economies. We use it constantly at home, at work and for leisure. Energy maintains our standard of living and economy. From the time you wake up to the time you go to sleep at night, energy has affected your life. Energy is important in everyone’s life, whether you notice it or not. Without it people would have a harder time waking up and an even harder time getting anywhere. Energy is important in many ways like. You wake up to the sound of your alarm clock, in a nice warm home. Energy is important to heat our homes, and most houses have gas, oil or electric heaters. The mechanical energy in a wind up alarm or electric energy in a battery or plug in alarm is important to wake you up. Energy is needed to heat water, which is used when you  take a shower or wash your face in the morning

Energy even effects when you put on fresh clothes in the morning. Your clothing was probably made in a factory, which was powered by electricity. Now a day’s energy has become more important for the collective good than individual’s need. Electricity runs like blood through the veins of economy without it the economy will tremble and it will be difficult for it to survive. Taking in an account the diminishing natural resource known to mankind it the need of the hour, that someone stood up and discover new horizons

explore more possibilities and bring forward new ideas to fulfill the exponentially increasing energy needs of the world’s population

Energy Crises In India

Electricity power is basic to fuel the financial development of India. The nation is on the quick direction of improvement yet to keep the force of development high, accessibility of continuous power supply is an unquestionable requirement. India needs power to fuel the development of each industry, be it substantial scale or little scale, assembling, human services or training. 

India has been reliant to a vast degree on energy imports to meet its national energy prerequisites. According to the assessments of Planning Commission, Government of India to guarantee a supported 8% development of the economy, by 2031-32 India needs to expand its essential energy supply by three to four circumstances and its power era by five to six circumstances of the 2003-04 levels. To confine the reliance on energy imports and contribute in meeting this energy challenge, the legislature is additionally laying.

Nonrenewable Energy

Non-renewable energy is energy, taken from "finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve", as opposed to renewable energy sources, which "are naturally replenished in a relatively short period of time. Following are the details of some Non-renewable energy sources known to man from at least two centuries.

Coal Energy

Coal, a fossil fuel, is the largest source of energy for the generation of electricity world- wide, as well as one of the largest worldwide anthropogenic sources of carbon dioxide emissions. Gross carbon dioxide emissions from coal usage are slightly more than those from petroleum and about double the amount from natural gas. Coal is extracted from the ground by mining, either underground or in open pits.

Petroleum Oil Energy

Petroleum or crude oil is a naturally occurring, flammable liquid found in rock formations in the Earth consisting of a complex mixture of hydrocarbons of various molecular weights, plus other organic compounds. Petroleum, in one form or another, is not a recent discovery but is now an important part of politics society and technology. The invention of the internal combustion engine was the major influence in the rise in the importance of petroleum. In the modern world petroleum has an influence across society, including geopolitics.

Natural Gas Energy

Natural gas is a gas consisting primarily of methane. It is found associated with fossil fuels, in coal beds, as methane catharses, and is created by methanogenics organisms in marshes, bogs, and landfills. It is an important fuel source, a major feedstock for fertilizers, and a potent greenhouse gas. Natural gas is often informally referred to as simply gas, especially when compared to other energy sources such as electricity.

Renewable Energy

Renewable energy is energy generated from natural resources—such as sunlight, wind, rain, tides, and geothermal heat which are renewable (naturally replenished). . Following are the details of some renewable energy sources known to man from at least two centuries

Sun Energy

The majority of renewable energy technologies are powered by the sun. The Earth- Atmosphere system is in equilibrium such that heat radiation into space is equal to incoming solar radiation, the resulting level of energy within the Earth-Atmosphere system can roughly be described as the Earth's "climate." The water absorbs a major fraction of the incoming radiation. Most radiation is absorbed at low latitudes around the equator, but this energy is dissipated around the globe in the form of winds and ocean currents. Wave motion may play a role in the process of transferring mechanical energy between the atmosphere and the ocean through wind stress. Solar energy is also responsible for the distribution of precipitation which is tapped by hydroelectric projects, and for the growth of plants used to create bio fuels. Renewable energy is derived from natural processes that are replenished constantly. In its various forms, it derives directly from the sun, or from heat generated deep within the earth.

Wind Energy

Airflows can be used to run wind turbines. Modern wind turbines range from around 600 kW to 5 MW of rated power, although turbines with rated output of 1.5–3 MW have become the most common for commercial use; the power output of a turbine is a function of the cube of the wind speed, so as wind speed increases, power output increases dramatically. Areas where winds are stronger and more constant, such as offshore and high altitude sites are preferred locations for wind farms.

Geothermal Energy

Geothermal energy is energy obtained by tapping the heat of the earth itself, both from kilometers deep into the Earth's crust in some places of the globe or from some meters in geothermal heat pump in all the places of the planet. It is expensive to build a power station but operating costs are low resulting in low energy costs for suitable sites. Ultimately, this energy derives from heat in the Earth's core. The geothermal energy from the core of the Earth is closer to the surface in some areas than in others. Where hot underground steam or water can be tapped and brought to the surface it may be used to generate electricity. The heat resource consists of hot underground radiogenic granite rocks, which heat up when there is enough sediment between the rock and the earth’s surface.

Biomass Energy

Plants use photosynthesis to grow and produce biomass. Also known as biomaterial, biomass can be used directly as fuel or to produce bio fuels. Agriculturally produced biomass fuels, such as biodiesel, ethanol, can be burned in internal combustion engines or boilers. Typically bio fuel is burned to release its stored chemical energy. Research into more efficient methods of converting bio fuels and other fuels into electricity utilizing fuel cells is an area of very active work.

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