Define non-conventional sources of energy
Answers
Answer:
Non-conventional sources of energy are also called renewable sources of energy. Examples are Bio energy, solar energy, wind energy and tidal energy. Govt. of India has established a separate department under the Ministry of Energy called as the Department of Non-conventional Energy Sources for effective exploitation of non-conventional energy.
The various sources are given below:
The various sources are given below:1. Solar Energy:
Energy produced through the sunlight is called solar energy. Under this programme, solar photovoltaic cells are exposed to sunlight and in the form of electricity is produced. Photovoltaic cells are those which convert sun light energy into electricity. In year 1999-2000, 975 villages were illuminated through solar energy. Under Solar Thermal Programme, solar energy is directly obtained. Sunlight is converted into thermal power. Solar energy is used for cooking, hot water and distillation of water etc.
2. Wind Energy:
This type of energy can be produced by harnessing wind power. It is used for operating water pumps for irrigation purposes. Approximately 2756 wind pumps were set up for this purpose. In seven states, wind power operated power houses were installed and their installed capacity was 1000 MW. India has second position in wind power energy generation.
3. Tidal Energy:
Energy produced by exploiting the tidal waves of the sea is called tidal energy. Due to the absence of cost effective technology, this source has not yet been tapped.
4. Bio Energy:
This type of energy is obtained from organic matter.
It is of two kinds:
It is of two kinds:(i) Bio Gas:
Bio Gas is obtained from Gobar Gas Plant by putting cow dung into the plant. Besides producing gas this plant converts gobar into manure. It can be used for cooking, lighting and generation of electricity. 26.5 lakh bio gas plants had been established by the year 2003-04. They produce more than 225 lakh tonnes of manure. About 1828 large community bio gas plants have been established in the country.
(ii) Bio Mass:
It is also of a source of producing energy through plants and trees. The purpose of bio mass programme is to encourage afforestation for energy. So that fuel for the generation of energy based on gas technique and fodder for the cattle could be obtained, 56 MW capacity for the generation of bio mass energy has been installed.
5. Energy from Urban Waste:
Urban waste poses a big problem for its disposal. Now it can be used for generation of power. In Timarpur (Delhi) a power Ration of 3.75 capacity has been set up to generate energy from the garbage.
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Non-conventional sources of Energy. Natural resources like wind, tides, solar, biomass, etc generate energy which is known as “Non-conventional resources“. These are pollution free and hence we can use these to produce a clean form of energy without any wastage.
Non-conventional sources of energy are also called renewable sources of energy. Examples are Bio energy, solar energy, wind energy and tidal energy.Non-Conventional Sources of Energy.
India is blessed with an abundance of sunlight, water, wind and biomass. It has the largest programmes for the development of these renewable energy resources.Increasing use of fossil fuels also causes serious environmental problems.
Hence, there is a primary need to use renewable energy sources like solar, wind, tidal, biomass and energy from waste material. They are called non-conventional sources of energy.
Increasing use of fossil fuels also causes serious environmental problems. Hence, there is a primary need to use renewable energy sources like solar, wind, tidal, biomass and energy from waste material. They are called non-conventional sources of energy.
The Industrial Revolution of the 19th century ushered in new
technologies. The spurt in inventions in that century was unprecedented in
many ways. Some of these inventions involved use of natural resources like
coal and oil. The thought of exhaustible nature of these resources and the
environmental damage from the use of these resources never occurred either
to the inventors or the subsequent generations. In the quest to sustain
galloping economic activity, the dependence on coal and oil has soared at aphenomenal rate over the years. The burnt fuels result in the release of
carbondioxide and other gases into the atmosphere causing environmental
damage. It has become imperative to look at energy technology with a new
perspective. There are abundant renewable sources of energy such as wind,
sun, water, sea, biomass apart from even daily wastes. These sources are
pollution free and hence clean energy apart from being unlimited/
inexhaustible.
Power generation in India has grown in size to around 1 lakh MW and
in Tamil Nadu it has increased to 7924 MW which is distributed through a vast
network of transmission, sub-transmission and distribution lines that reach all
villages even in remote areas. The demand for power is growing rapidly.
The problem will be compounded due to fast depletion of fossil fuel deposits,
quality of fuels, heavy price to be paid for basic materials plus their
transportation cost and above all the environmental degradation caused by
the use of conventional energy sources. Under such conditions, environmentfriendly and pollution-free, non-conventional and renewable energy sources
known as 'clean and green energy' have emerged as an important
alternatives to conventional energy sources. The renewable energy sources
are clean and inexhaustible as they rely on sun, wind, biomass, etc., as
primary sources of energy. It is estimated that, about 2000 MW can be
generated from wind potential available in Tamil Nadu. As against this
potential, 19 MW of power in the State Sector mostly through demonstration
wind farms and 838 MW in the private sector have been harnessed as on
31.3.02, Under Biomass, the estimated potential is about 500 MW and 154
MW capacity has been expected using biomass/bagasse.
The country is endowed with large amount of sustainable resource
base and non-conventional energy technologies which are well-suited for grid
connected power generation, energy supplies in remote areas which are not/
could not be connected to the grid and for captive consumption. Nonconventional energy sources like wind energy, solar energy through thermal
as well as photovoltaic system, biomass and hybrid sources will help to a
great extent in enhancing power generation capacity. Hence appropriate
policies and programmes that optimise the use of available energy resources
with new technologies have to be propagated, promoted and adopted, if
necessary, by budgetary support.
Tamil Nadu has done very well in promoting and harnessing renewable
sources of energy particularly wind and bagasse based power generation.
With a view to develop and propagate the non-conventional sources.
hope it helps uh......