Monday, March 12, 2012

ENERGY CONSERVATION


Energy Conservation


Introduction
Energy conservation is the practice of decreasing the quantity of energy used. It may be achieved through efficient energy use, in which case energy use is decreased while achieving a similar outcome, or by reduced consumption of energy services. Energy conservation may result in increase of financial capital, environmental value, national security, personal security, and human comfort. Individuals and organizations that are direct consumers of energy may want to conserve energy in order to reduce energy costs and promote economic security. Industrial and commercial users may want to increase efficiency and thus maximize profit.
Energy conservation is the reduction of quantity of energy used. Energy conservation supports the eco friendly lifestyle by providing energy, which saves your money and at the same time saves the earth. When you decrease the amount of energy you use you automatically make efforts to reduce increasing global warming.

Brief Description
Sources of energy conservation:
Sources of energy conservation are Solar Energy, wind energy, geothermal energy, wave energy, hydroelectric energy, and biomass energy.

Energy Conservation Tips:

1) Interior Lighting: [lamp/luminaries, bulb, fluorescent (standard/compact)] Good energy management can easily cut lighting energy by half.
o Use fluorescent tubes in preference incandescent bulbs.
o Consider the purchase of compact fluorescent lamps/luminaries (CFL)
o Avoid “long-life” bulbs. They are 20% less efficient than the standard bulbs.
o Dimmer switches can save energy when used with incandescent lighting fixtures
o Turn off all lights, when someone is not occupying the washroom, closets and in-frequently used area.

2) Office Equipment: [printer, scanner, photocopier, facsimile/fax, calculator, cash machine, paper shedder, detacher, transformer (power)
o All office equipment is to be in accordance with the suppliers/manufacture operational procedure manual; failure to comply can and would result in poor equipment operation and failure.
o Use as necessary or as the need arise. All nuisance use or non- work related task and assignments are to be avoided.
o Do not leave transformers plugged into the wall outlet receptacle; disconnect (turn-off the outlet switch) and isolate (remove) all transformers at the end of the working day.
o Shut off unnecessary computers, printers, and copiers that are not in use and close-down/disconnect at the end of the working day.

3) Computer & Electronic (Operational) Equipment: [personal computers, electronic (processing) equipment]
o For efficient use it is recommended that all personal computers (PC’s) utilize the power management option. Suggested Settings:
a) Monitor – 15 min.
b) Hard Disk (Central Processor Unit) – 25 min.
c) System Standby – 30 min.
d) Screen Saver – 1 min.
e) Additionally, use the automatic save feature when working in all applications, preferable at one (1) minute intervals.
o Shut off unnecessary computers, printers, and copiers that are not in use and close-down/disconnect at the end of the working day.

4) Air Conditioning: [air conditioner unit (window, split, central)]
o All office windows are to be covered by light coloured blinds/curtains or screens. E.g. white, beige, light cream, to reduce heat conduction, radiation and convection
o All doors, windows and openings are to be thermally sealed and kept closed on entry/exit to reduce unit over-work
o Depending on occupancy level and local area disposition, room air conditioners [window type units] can be replaced by more energy efficient split units or central air conditioners
o Set thermostat/temperature control to “auto”. The “fan-on” setting will increase energy use
o Do not use ceiling fans with the air conditioner unless the thermostat for the air conditioner is set higher than normal

Natural Cooling:

o Fans should not run in rooms that are unoccupied
o Open windows as wide as possible to admit cool circulating breeze and fresh breeze

5) Domestic Refrigeration, Heating & Ventilation: [refrigerator, freezer, chillers, water fountains, water heater, fans, ventilator]
o Be conscientious and mindful of the time spent with the refrigerator door open, during the entry and/or retrieval of items.
o Use as the need arise; however before opening (the door) think and decide on what item, one wish to remove from the appliance.
o Set the level on the temperature control (thermostat) at 3 or 4 depending on the quantity of the items in the refrigerator (medium level or full).
o Allow warm food to cool before storing in the refrigerator.
o Make sure that air spaces under/beneath and behind the refrigerator allows for the free escape of hot air currents
o Place refrigerator and/or freezer away from direct exposure to heat sources such sunlight and stoves.

6) Cooking, Domestic Equipment, Laundry & Clothes Drying: [oven, range/cooker, hot plate, microwave, toaster, blender/mixer, kettle, floor polisher, vacuum cleaner, dryer/blower, iron, television, video, radio/stereo, washing machine]
o All appliances must be turned off, when not in use.
o Microwave should be set at ‘medium or medium-high’ for 2 – 4 min duration.
o Kettles should be quarter filled for preparing a cup of coffee or tea.
o Stove/oven/ ranges are to be set on the medium range at 2 – 3 temperature level.

Energy Conservation


Energy conservation is the reduction of quantity of energy used. Energy conservation supports the eco friendly lifestyle by providing energy, which saves your money and at the same time saves the earth. When you decrease the amount of energy you use you automatically make efforts to reduce increasing global warming.

Source of Energy Conservation :

Solar Energy : Solar power uses the sun's energy and light to provide heat, light, and electricity for homes. It is the primary source of all energy forms on the earth. It is one such energy which helps in maintaining the ecological balance through the process of photosynthesis and green house effect. We have been using sun to dry clothes and boil food for generations. But now number of techno powers which have been developed to make full use of solar energy such as : -

Photovoltaic systems : By these systems the electricity could be produced directly from the sunlight.

Solar Process Space heating and cooling : It is the commercial and industrial use of sun's heat.

Solar Hot Water : The process to heat water with the solar energy.

Solar Power plants : Producing electricity bu using the sun's heat.

Passive Solar heating and daylighting : Use solar energy to heat buildings.

Wind energy :
Wind energy is often used to generate the mechanical power or the electricity. In the country like India, wind energy holds the great importance because of large hilly, coastal and desert areas. In the rural areas it is used to pump water and grind grain. The benefit of wind energy is that it is fully pollution free and is eco friendly too. It costs low and the generation of power is continuous. It is the most effective way to conserve the energy and prevent the environment.

Geothermal Energy : Geothermal energy is used in the form of thermal energy, electrical energy, nuclear energy, mechanical energy, chemical energy and light energy. It uses heat energy from beneath the surface of the earth. It was first used to produce electricity in the Itlay in 1903. Geothermal energy has the major environment benefit as it prevents air pollution. It is particularly important in the inland nations such as Indian Oceans and the pacific regions. Energy generation from geothermal sources is only possible in few places under unique geographic conditions.

Wave energy :
Ocean waves contain large amount of energy, which can be extracted through Ocean winds, Ocean currents, Ocean Geothermal etc. if the barrage is built across the river, electricity can be obtained by by the flow of water through turbines as the tide rise and falls.

Hydroelectric energy :
Another renewable source of energy is the hydroelectric energy, which is produced from fast flowing water. The process is pollution free. The movement of water spins the turbines which in turn generate electricity.

Biomass energy :
Biomass is the plant and animal waste which is used as the energy. Biomass energy like manure from livestock, plant waste etc can be used to generate electricity, fuel, light, and heat. We get biomass energy directly from plants and indirectly from the animal waste.

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