Parts of a diesel generator and their functions.

We all know that a diesel generator is used as a source of backup when supply of power is not constant. They have assumed great importance and have almost become a necessity for households and companies in areas where there is a shortage of electrical supply. Given the promising nature of a diesel generator, we all have at some point used it or at least have known its merits. But have we ever tried to understand what are the various parts that power the diesel generator and help it function?

Let us look at some of the main components of a diesel generator and their functions:

1.       Engine – The heart of the system

The function of the engine is to create the mechanical energy that the diesel generator converts into electricity. The design of the engine is aimed at generating a maximum supply of electrical current by running on diesel or other alternate fuels.

2.       A comprehensive fuel system

Generators that run on diesel or any other fuel, have a fuel system that stores and pumps it to the engine. The tank stores a good amount of fuel to power the generator for several hours at a stretch. A fuel pipe in the system connects the tank to the engine while a return pipe connects the engine to the fuel tank for the return of fuel. A fuel pump moves fuel from the tank through fuel pipe and to the engine. There is a fuel filter which filters out debris from the fuel, if any before delivering it to the engine. A fuel injector atomizes and injects the fuel directly into the combustion chamber of the engine.

3.       An alternator

The alternator in a diesel generator converts mechanical energy produced by the engine into electrical current. It comprises of the stator and the rotor (or armature). The stator is stationary and contains a set of coils that conduct electricity. The rotor moves to create a constantly rotating electromagnetic field around the stator.

4.       Voltage Regulator

The alternator may generate electrical voltage but the level of voltage needs to be regulated that is suitable for practical use. Voltage regulator is an electrical regulator that maintains a constant level of voltage.

5.       Impeccable cooling and exhaust systems

The temperature of a diesel generator must be regulated to prevent overheating while being used. Generators can use a fan, coolant or both to control the temperature of the generator at work. The internal combustion engines are usually cooled by passing engine coolant through the engine block. The generator also produces exhaust as the combustion chamber converts fuel. There are exhaust systems that dispel harmful gases emitted.

6.       Lubrication system

A diesel generator comprises of various moving parts. These parts need to be oiled for their smooth functioning. The lubrication system ensures that the parts are well oiled and functioning at their best.

7.       Acoustic Enclosure

Being a mechanical product with many moving parts, a diesel engine makes lot of noise during its operation. In order to control the noise emission, the engine and alternator assembly is housed in a soundproof canopy having sound absorbent material from inside. As per Central Pollution Control Board (CPCB), the maximum noise emission from a generator should not exceed 75 dBA from 1 m distance from the canopy.

For more information about diesel generators, please visit: http://www.mahindrapowerol.com/  or

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Tips to save electricity

Conserving electricity serves the double purpose of helping stop global warming and saving a lot of money over time. Insulating your home and changing your daily habits are effective ways to reduce the amount of electricity you use. You can implement some energy-saving measures immediately, such as turning off and unplugging unused lights and appliances. Following are the some measures that could help create a better environment:

1. Purchase Energy Star Appliances: Energy Star is a government-backed rating system for energy-efficient appliances. The Energy Star label ensures that products you purchase have been tested and verified for performance efficiency. In addition, the Energy Star rating ensures that higher purchase costs will be recouped through electric bill savings.
2. One can make an instant change in the water consumption by installing low-flow fixtures. Replacing older toilets with a low-flow toilet will help save up to 75 percent of water use per flush; for even more savings, choose a dual-flush model with options for solid and liquid flushes.
3. Turning the heat and water heaters down when out of town and away from the house could prove highly beneficial. One could reduce energy use by 10 percent each time you lower the thermostat by 10 degrees for an eight-hour period; do so when sleeping or at work to reduce the electric bill.
4. Embrace natural lighting: Using natural light whenever possible instead of relying on artificial light can greatly reduce the amount of electricity you use during the day. The same is true whether you work in an office or spend your days in your house. Exposure to natural light also increases happiness, giving you an even greater incentive to raise the blinds.
• Try to arrange your workspace so that natural light floods your desk. Keep the overhead lights off when possible. When you need extra lighting, use a low-powered desk lamp instead.
• Buy curtains or blinds in a light shade that provides privacy but still allows light to come through.
5. Seal and Insulate: Insulating the exterior walls and roof of the house and sealing air leaks would save as much as 20 percent on your heating and cooling costs. In hot, sunny climates, add a reflective radiant barrier directly on top of your existing attic insulation to save in cooling costs. Air leaks are often easy to find as they are easy to feel, though many air leaks in basements, attics and crawlspaces go unnoticed.