Monday, November 26, 2007

Hybrid vs Diesel

In these days of soaring gas prices, it seems that everyone is looking to increase their gas mileage. In the past, those looking to drive the most fuel-efficient vehicle had just one option: diesel trucks and cars. Diesel vehicles use significantly less fuel than cars that run on regular gas.

There is an option to diesel vehicles. Recently, hybrid vehicles have been appearing everywhere. No longer are they just slightly odd-looking compact cars. Hybrid technology can be found in everything from compact cars to SUVs. Are you better off with the old, diesel standby or do hybrid cars really offer more?

Diesel vehicles

For years, the gas-conscious consumer chose the diesel vehicle. These earlier diesels were generally noisier, dirtier and handled the road more poorly than their gas counterparts did. In fact, five states currently do not allow the sale of diesel vehicles due to strict emissions standards.

However, this image of the diesel vehicle is very outdated. Modern diesel vehicles are much cleaner than their earlier counterparts are. Low-sulphur diesel fuel and new technology that helps trap emissions particles are making diesel engines cleaner than ever before. In addition, modern diesel vehicles handle nearly as well as their gas-powered cousins and are less noisy as well.

Fuel efficiency is still paramount when it comes to driving a diesel vehicle. With their average nine miles per gallon increase over gas-powered vehicles, diesels are a viable option for the fuel-conscious consumer.

Hybrid vehicles

Hybrid vehicles are the newcomer to the mileage game. These vehicles run on a combination of gas and electric power, and they promise vastly increased gas mileage and lower emissions.

While these vehicles deliver on the promise, there are a few shortcomings as well. The first and most glaring disappointment is that many drivers find that the advertised mileage and the actual mileage the car achieves are vastly different.

For instance, the Toyota Prius advertises gas mileage of 55 miles per gallon, according to U.S. government reports. However, when Consumer Reports magazine tested the car under actual driving conditions, the mileage achieved was only 44 miles per gallon. While this is still excellent gas mileage, it is far less than advertised.

In addition, the sheer price of hybrid vehicles can be daunting. While a diesel vehicle generally costs an average of $1000 more than its gas-powered version, a hybrid vehicle costs several thousand dollars more than a gas-powered car. The Honda Civic Hybrid base price is $4800 more than the standard Civic with the same options and amenities.

Given that the gas mileage on the hybrid is about 30% greater than on the standard vehicle, it would take an average driver at today's gas costs more than twelve years to recoup the cost difference. However, one must consider that some of this additional cost can also be recouped with the one-time federal tax credit. In addition, some states and even employers offer rebates to those who drive hybrid vehicles.

Ford's Power Stroke Diesel Technology

Diesel engines have received a bad reputation in the United States due to the amount of emissions they give off. However, it seems like the wheel is indeed turning and diesel engines’ reputation is slowly changing as car manufacturers continually develop ways to equip their vehicles with a clean diesel engine.

One such company is the Ford Motor Company which has introduced their new Power Stroke diesel technology. This new one promises a good performance from the engine while keeping the emission level equal to that of a gasoline engine. The engine will be the workhorse of the new 2008 Ford F-Series Super Duty lineup and it already has received much praise for its fuel efficiency.

The massive 6.4-liter Power Stroke diesel engine has an improved performance over the previous diesel engines employed by Ford. The technology also reduces emissions and NVH or noise, vibration, and harshness. The high performance of the engine and its low emission are two things to like about it. But it is also important to keep in mind that this engine also has 25 to 30 percent better fuel economy rating than gasoline engines. In fact, the newer generation of clean diesel engines is taking over the European market and Ford hopes to do the same in North America. Ford hopes to launch the technology successfully since a large number of Super Duty buyers opt for a diesel engine under its hood.

One great thing about the engine is that it exhibits no turbo lag and according to Richard Truett, engineering reporter for Automotive News, “I have never felt that performance out of a diesel before.” This he stated after going 60 to 65 miles per hour while towing. He further said that he “can’t find anything to dislike about it (the engine)”. His rave review of the technology is shared by John Stewart, editorial director of Diesel World Magazine: “It’s a tremendously quiet engine. It has torque everywhere you look. The technology that they have brought to bear is the latest in the field. When you drive it you think, this thing is a great cruiser. We need to go on a trip with this.”

The people at Ford said that the Power Stroke diesel is the company’s cleanest and quietest pickup diesel ever. Its particulate emission, which in the past has given it a bad reputation, is reduced to almost the equivalent of gasoline engine emissions. It gives that clean emission while giving out 350 horsepower that would take a high performance disc brake and an EBC brake rotor to efficiently stop the vehicle. The engine also provides 650 lb-ft of torque at 2,000 revs per minute with the help of its two-stage turbocharger. The Power Stroke engine is the first pickup engine in the US to feature the common rail fuel injection system with piezo-electric injectors.

The development of the diesel engine was made possible with the help of Ford’s European connection. Power Stroke diesel Manager Enio Gomes stated that they have tapped the knowledge of the company’s European diesel experts in order to integrate the cutting edge technologies in the new engine especially the fuel injection system stated earlier. Another part that the European diesel engines experts help integrate in the new diesel engine is the particulate filter that significantly reduces the amount of emissions being released by the engine.

Ford is counting on their new diesel technology to propel the company to the top of the diesel engine equipped vehicle market which is expected to increase significantly in the next couple of decades. In fact, they have already revealed their plan of offering a Ford F-150 equipped with a diesel engine which will be another first for the company’s light-duty pickup series.

Thursday, November 15, 2007

Automotive and Diesel Schools

For those who love to repair engines, there are many automotive and diesel schools ready to qualify you for a career in large and small diesel engine maintenance, repair, and service.

Automotive training schools will cover subjects of engine types, functions, and operations; types of electrical, braking, cooling, drive train, and vehicle suspension systems; advances in technology that will include ignition systems, development and characteristics of new fuels; and emission control regulations. Changes in the automotive and diesel engine industry are being introduced daily, and schools are being pressed to update automotive and diesel courses on a regular basis.

Students will learn to repair, and sometimes rebuild, mechanical systems, such as air and water pumps, fuel injectors, generators, power units, and transmissions. Depending on the school, automotive and diesel courses may include working on cars, trucks, buses, train units, construction equipment, stationary diesel engines, and even ships.

Automotive training and diesel mechanic training may also include mathematics, welding, and safety, reading detailed blueprints, and the importance of good business practices in relation to customer service and satisfaction.

Automotive and Diesel schools prepare students for broad careers in auto and diesel repair. Graduates can choose from many occupations in automobile repair, trucking, farming, construction, or service stations as their area of practice. Some may choose small diesel engine repair and others may decide to look into the field of auto body repair.

Portable Generator Safety

The external surfaces of the generator may become quite hot, so you need to keep your children away from the unit when it is running. Additionally, generators pose three common hazards:

-Carbon monoxide fumes

-Electrical shock

-Fire

Internal combustion engines give off carbon dioxide as a byproduct of fuel consumption. This gas is both odorless and colorless, so you cannot know that you are breathing the fumes. For this reason, generators should never be run indoors, or in confined spaces. If you should begin to feel light-headed, dizzy or nauseous while your generator is running, get to fresh air immediately. Install a CO alarm to check for deadly carbon monoxide levels, and change the battery frequently, whenever you adjust your clocks for daylight savings time.

To prevent shock, make sure your generator stays dry. Do not touch it with wet hands or when you are standing in a puddle. Make sure your unit is properly grounded. Don't overload the generator and make sure that if you are using extension cords, they are rated for the load they will be supporting. NEVER plug your generator into your house's wall outlets. Doing so will create backfeed in the electric lines, possibly causing electrocution of unsuspecting utility workers who are trying to place your home back in service.

Finally, because you are running a motor fueled by a flammable substance, you must take care to avoid fires. Store the gasoline away from the generator in properly labeled non-glass containers. Gas vapors can run along the floor and ignite from the heat of the generator. Always turn off the generator and allow it to cool prior to refilling the gas tank to protect against spilled gas ignition. Do not smoke or allow open flames near your generator.

Free Traffic Generator information

Increasing the website traffic to your website helps you to make more money through ads. And this is reason why webmasters are searching for the best tips and trick which help them to build the traffic to their websites.

Is there any such web traffic generator program which helps to increase the web traffic and that too available for free? In the following paragraphs, we will see about free traffic generator programs and how they work.

Traffic generators are software programs which are designed to increase the traffic of the website. There are several companies which offer such traffic generator programs which bring about guaranteed targeted website traffic. Most companies who offer traffic generator programs charge some amount of money for their program. But there are several companies which offer free traffic generator programs.

One of the most popular free traffic generator software programs is the "Traffic Swarm". Till now, the software has been generating lots of positive feedback from its users.

Free Traffic generator programs come in various types. Of the most popular type is a HTTP traffic generator for testing web based applications. These types of applications allow its users to request count and interval between two requests. The generated requests are transferred to the specified website URL. One of the major advantages of these types of applications is that they are simple and fast programs which can simulate client activity.

Another popular type of traffic generator available in the market is a packet Traffic Generator program which can be used to distinguish the performance of packet switched network communication protocols. The packet traffic generator program is designed so as to generate and receive one way packet traffic streams transmitted from the user level process between traffic source and traffic sink nodes in a network. The program allows the user to test various versions, or versions of the similar protocol, and determine the differences in performance.

Whichever type of free traffic generator program you are using to increase the traffic to your website, the main point one need to know is that the traffic a website generates is a cumulative effect of various crucial factors such as keyword optimization, S.E.O techniques, and link exchange. So together with free traffic generator software make sure that your web pages have enough contents optimized with the targeted keywords.

Monday, November 05, 2007

Electric Generators

Electric generators are used to supply power to homes, commercial and industrial establishments when there is a disruption of power. It is also used in places where there is no supply of electricity. Electric generators come in a wide variety of models, size, and prices. Choosing the right electric generator depends upon an individual’s need. A homeowner first has to identify the appliances to be powered by the generator. The total wattage required to run these appliances has to be added up, including the starting wattage requirement of some of the appliances such as refrigerators. This makes up the total wattage power required from the generator. Lights and other smaller appliances require 120 volts of power, whereas appliances like electric stoves and driers require 240 volts. It should be checked whether the generators have the necessary voltage ratings.

There are few features that have to be considered before buying an electric generator. First, make sure to check to see if the engine has an overhead valve. An engine that comes with an overhead valve start easily, last longer and is less noisy. Second, check whether the engine has a cast iron sleeve in the cylinder to protect the engine from early wear and tear. In addition to this, electric generators come loaded with many convenient features such as electric start, power switch to alternate between 120 and 240 volts, low oil shut down that shuts the engines when the fuel in the tank reaches a certain level and an hour meter to show the duration of time the engine has been running. Electric generators are generally powered by gasoline, diesel, propane or natural gas. There are inexpensive but have a short life. Diesel generators are fuel-efficient, have a longer life but are relatively expensive. Propane and natural gas generators are best suited where fuel is ready available.

Certain precautions have to be taken while using generators. They should always be located outside the house to prevent exposure to harmful carbon monoxide. They should always be kept dry and should not be touched with wet hands to avoid getting electrocuted. Generators should not be refueled when in operation -- spilling of fuel on hot components may cause fire. It is always wise to invest in a good quality generator. Electric generators can be purchased at any appliances or hardware store. Industrial and commercial electric generators are available with their respective dealers. All brands and models of generators are listed on the web sites.

RV Generators

RV generators are what truly make your RV fully self-contained. What a feature, instant electricity at the push of a button. We take electricity for granted in our homes because we don't have to do anything to get it, with the exception of paying our monthly electric bill. This is part of the problem with RV generators, we expect the electricity to be there when we need or want it just like in our house. The problem is this magical source of electricity requires a certain amount of care and maintenance from the owner.

Safety first! Always keep in mind when you use a generator there is carbon monoxide. You should always inspect the exhaust system on the generator set before using it. Do not operate a generator with a damaged exhaust system. If you're using a portable generator set make sure the exhaust is directed away from the camping area. Test your carbon monoxide detector for proper operation prior to using the generator. Never run a generator when you or anyone else is sleeping. Observe campground etiquette. Do not run your generator after quiet hours.

A generator that comes equipped on an RV gets its fuel supply from the same fuel tank the engine uses. When the fuel tank reaches a 1/4 tank of fuel the generator will shut down to prevent you from possibly using all of the fuel without realizing it. The generator will either have an automatic transfer switch to sense whether you are using shore power or the generator, or you will need to plug the RV power cord into a generator receptacle to use the generator. It is perfectly okay to use the generator while you are traveling.

This is one of the reasons you have a generator in the first place. It is actually more fuel efficient to run the generator with the roof mounted air conditioner on, than to use the dash air.

Friday, November 02, 2007

Add Performance To Any Diesel

The diesel aftermarket just keeps on evolving. Now you can add a chip to almost any diesel and I’m not talking about the pickup trucks. There are companies out there with diesel performance chips for big diesel pusher RV’s, Semi’s, and yes, even farm equipment. We’re going to talk about some of the main companies developing these products.

The first one is a company called Edge Products. Edge is one of the biggest names in the diesel performance arena for the diesel pickup trucks. Edge makes performance products for all the main diesel pickup trucks, several of the gas trucks, jeep vehicles that are diesel and gas powered as well as the 3126 B & E Caterpillar engines that are in RV’s and heavier duty diesel trucks.

Dr. Performance is also a top company in the diesel aftermarket and offers performance chips for all of the same engines as edge and has chips for some of the other larger engines that one would find in Diesel RV’s and some semi’s and medium duty trucks such as the 8.3L and 8.9L Cummins ISC & ISL engines as well as the DT466 Engine.

TS Performance Carries chips for all the same engines, the place where TS Performance is truly unique is in the fact that they have performance chips for most of the agricultural diesels that you would find on a farm. These agricultural chips give up to a thirty percent power increase and a good increase in fuel economy which is important especially to the farmers that are running their diesel’s most of the day. In short the diesel performance aftermarket continues to evolve and more and more people are reaping the benefits of added fuel economy and power.

More and more manufacturers are coming out with diesel including the upcoming Honda Accord diesel, and Nissan Maxima diesel as well as many others. Diesels within a few years will be running cleaner and get better fuel economy than any of their gas powered counterparts.

Home Generator Must Answer Your Power Demand Safely!

Home generator comes back on mind of the American homeowners. After experiencing power outages in previous years, it becomes a priority to secure a reliable and affordable source of electricity when the local utility turns the power switch off. And if you think that perhaps this year, the hurricane season will be less damaging, and you’ll be able to get by without a home generator, think twice…

Power interruptions are caused not only by the Mother Nature, but by the electricity authority’s distribution system’s breakdowns. That’s really what makes a home generator an irreplaceable part of your home’s services system.

Choosing a home generator is however, not such an easy task, as the frequent ads would like you to believe. Although you’re presented with a seemingly limitless number of options, the truth is, there is only one “ideal” electricity generator that fits your household needs, in 100%. That’s why; it pays to do some initial research about home generators, before deciding what to buy.

The best place to start is on the Internet, using many review and manufacturers’ sites. Find out what range of home generators Yamaha, Honda, Coleman and others have on offer. What selection criteria do they list; read technical specifications and the list of features, and match them to your needs. Using different search engines will deliver you a huge number of informative pages, filled with reliable information and advice.

At the same time, try contacting your local electrician, and ask him to calculate the power demand, peak and regular, that your household creates. Your home generator will have to cope with this load, often for extended periods. Professional advice about the power consumption, be it 3 kW or 5 kW, will help you select a home generator that can supply enough power, to allow you to keep your essential appliances running.

The same electrician can also advise you about very important safety considerations and regulations. Briefly, before connecting your home generator to the electrical installation, you must isolate it from the communal power grid, using so called isolation switch. This will prevent linesmen working on power lines from being electrocuted by the voltage produced by your home generator. This is absolutely important, and should never be left to the inexperienced handymen!

Lastly, consider the operational costs of your home generator. As they come in two major categories: petrol (gas) engines and diesel ones, you need to decide whether the initial cost or the running costs are more important to you.

My preference is for the diesel engine-driven home generator. Although it can be 20-30% dearer that the petrol one, it’s far more reliable and about 20% cheaper to run. Here you have the critical factors you mustn’t ignore, when introducing a power generator to your home. Knowing them, your shopping trip to Costco, Home Depot or other retailers will be so much less stress free. After all, you’re very well versed in the emergency electricity generation issues, and know exactly what tasks your home generator has to execute. One final word of warning: don’t try to save money on something that provides for your basic living needs!

Tuesday, October 30, 2007

Diesel Generators Explained

A diesel generator is composed of a diesel engine and an alternator or an electrical generator, which converts the power created by the engine (expressed in RPM, revolutions per minute) into the required voltage for homes, industry and remote work sites. The need for power for homes and sites, which are not connected, to a power grid is a growing need throughout the world. Remote areas of Central and South America are no longer too poor to afford electrical power but not at the stage to built vast hydroelectric projects or large power grids.

They can afford to build local village electrical power plants, which can meet the modern needs of the people until the modern power grid can reach out to them. There are places in the United States that are developing ahead of the ability of the local power company to expand; other places throughout the world are at the edge of civilization. All of these require power for business, commerce, medical treatment facilities and communication. The price of the modern diesel generator, the new technology incorporated into these units and their availability throughout the world make them an immediate solution.

Homes and ranches, villages and towns and remote sites should create a power needs list that includes every appliance in the home, business, school and public facility in order to determine the wattage needed. After this the home or ranch owner, city engineer or site foreman can select the proper sized diesel generator. Every diesel generator is rated at how many kilowatts of power it produces. If the home or ranch requires 22 kW to 25 kW then the sized generator should be at least a 30kW. A brigade sized army unit twenty years ago used a diesel generator(s) rated at 90 kW but its’ needs were lighting and mess hall refrigeration. Today it could be quite a bit more considering the new technology.

When you decide to provide power through diesel generators then you should consider whether you need a backup. The power of the generator is rated at 50% engine speed. The 30 kW diesel generator actually operates safely at 25 kW at 1800 rpm for prolonged periods of time. It would be safer if the home or ranch had two generators scheduled to operate in an alternating schedule of 12 hours each. This would ensure that the proper maintenance and care could be given the generators while providing continuous power. Other considerations in selecting a power generator involve selecting one that is a four-cycle, water-cooled industrial diesel generator.

A water-cooled generator operates more quietly than an air-cooled and it lasts longer. There are two electrical systems involved with a diesel generator, the DC (direct current) and the AC (alternating current) systems. The recommended DC system should have a starter motor with a battery-charging alternator with a solid-state voltage regulator. It should have an engine pre-heat electric switch and start/stop switch.

It should have an emergency engine shutdown system to protect the engine in case of oil pressure loss, excessive generator speed, over cranking and engine high water temperature. Finally, it should have DC electric system breakers. Make sure that the AC system is a four-pole revolving field and is has an AVR (automatic voltage regulator). These generators will provide power that is within -+2% as compared to utility company variation, which is -+5%.

Thursday, October 25, 2007

Quick Social Networking -- Effective and Smart Ways to Social Networking

Social Networking has become a household name ever since the massive popularity of the famous social networking sites like YouTube, MySpace, Friendster and other similar sites have made waves in the Internet arena. Social networking, since then has been potentially seen as a growing avenue by business people where they can market and publicize their companies along with the products that they are promoting. Looking into this perspective, I have enlisted some of the ways below on how one can effectively use social networking as an avenue to market and advertise a service or a product.

• If you are a registered member of a social networking site, like MySpace, you are actually being given the privilege to come up with your own, personal site. With this, you can incorporate some advertising materials on your own site and promote it from there. Since you are a on a social networked site, people who see your site with similar interest are your easily captured potential clients. Thus, enabling you to instantly have a client of your own.

• With social networking site, it is easy to capture potential clients because of the capability of the site to invite other people to form part in any specific group. This is a feature seen by most business people as a potential means to massively promote any service or product using the social networking site.

• One of the best ways for anyone who wish to use social networking as a means to advertise is to invite and invite more people to “network” with his account. This is a quick way to allow more possible traffic on any one’s site.

Targeted Social Networking - 4 Keys to Get Started With Social Networking

Today the concept of social networking provides a great medium for people to meet others both physically and virtually. The first step in social networking lies in choosing the social networking site depending on your needs. if you need to physically meet people, use a social network with direct communication and location data. If you want to meet people virtually, use a site with people having similar interests to you and one that permits people to search for these interests.

You can succeed in social networking only if you ensure you are using a safe networking site as there are many cases of identity theft, personal information disclosure and cyber stalking in many social networking sites.

You have to place information on the social networking sites to get people sharing similar interests to meet each other. This means that it is important that you provide only honest information about yourself. Many people lie on the network, and get people fooled into relationships. There is no point in changing your particulars in the hope of getting more acquaintances, just because you are dull and boring. This only leads to mistrust between you and the acquaintances once they find out you were lying.

You can also use social networking sites to get business oriented connections by choosing a community or group that is relevant to you. then you inform the people here about yourself, your business and the expertise and services you offer. you are sure to get new business contacts by participating in these discussions.

Then again, getting referrals from the members of the social networking sites also help as these referrals create an impression of you being an authority of a particular field. They refer their friends to you if and when they need services or products that you offer.

Wednesday, October 24, 2007

Guide to purchasing a Diesel Generator

There are many grades of durability of diesel generators on the market. You will find that the larger the machine the more well built it is to withstand the pressures of use. This is the general concept when it comes to the diesel generator that the larger the generator the better it is designed.

It is essential when considering purchasing a diesel generator that you are sure of what kind of use you will be demanding. It is very common for the diesel generators that are larger to be installed on ships as backups during power failures. There are often systems on ships that use power systems that are related to weather. This is not reliable and as such a diesel generator is a good choice. It is better to opt for the larger models as these are very well designed to handle the load.

Many businesses seeking to protect their sensitive computer networks can also depend on the diesel generator. These are excellent sources of power should the power fail. This is also great for medical equipment such as those that are essential in hospitals and can provide performance that is low maintenance.

When deciding which diesel generator to choose it is important that a list is constructed of the various pieces of equipment that will be using the generator power. This will aid in the determination of the total wattage requirements and therefore determine which capacity of generator will be required.

One of the first points when comparing diesel generators is to determine the wattage requirement and compare this to the price of the particular generator. This is essential as it is important not to overload the system and this will determine the best generator to suit your needs. It is also possible for persons with intermittent generator usage to opt for the diesel generator due to all the perks such as reduced fuel costs and maintenance costs.

It is also advisable that when you purchase your generator that you install it with a transfer switch. This may require a qualified electrician. It is also essential that the generator you choose will have adequate storage as this is important in maintaining the right temperature. You may also need other features such as soundproof enclosures depending on your space limitations as the diesel generator can be quite noisy and is best installed away from homes.

Other features that will be needed for your generator include shutdown systems. There are three major shutdown systems available. These are low oil pressure automatic shutdown kits, over-speed shutdown kits and high temperature shutdown kits. These are all necessary for the protection of any diesel generator that you purchase.

Make sure that the diesel generator you choose is run at a low rpm approximately 1800 rpm to ensure long life. It is better to opt for a generator that is the best in terms of fuel efficiency and if you can opt for a brand name. They may be a bit more expensive but they will tend to have better warranties than the other generic brands on the market.

Diesel Generators Explained

A diesel generator is composed of a diesel engine and an alternator or an electrical generator, which converts the power created by the engine (expressed in RPM, revolutions per minute) into the required voltage for homes, industry and remote work sites. The need for power for homes and sites, which are not connected, to a power grid is a growing need throughout the world. Remote areas of Central and South America are no longer too poor to afford electrical power but not at the stage to built vast hydroelectric projects or large power grids.

They can afford to build local village electrical power plants, which can meet the modern needs of the people until the modern power grid can reach out to them. There are places in the United States that are developing ahead of the ability of the local power company to expand; other places throughout the world are at the edge of civilization. All of these require power for business, commerce, medical treatment facilities and communication. The price of the modern diesel generator, the new technology incorporated into these units and their availability throughout the world make them an immediate solution.

Homes and ranches, villages and towns and remote sites should create a power needs list that includes every appliance in the home, business, school and public facility in order to determine the wattage needed. After this the home or ranch owner, city engineer or site foreman can select the proper sized diesel generator. Every diesel generator is rated at how many kilowatts of power it produces. If the home or ranch requires 22 kW to 25 kW then the sized generator should be at least a 30kW. A brigade sized army unit twenty years ago used a diesel generator(s) rated at 90 kW but its’ needs were lighting and mess hall refrigeration. Today it could be quite a bit more considering the new technology.

When you decide to provide power through diesel generators then you should consider whether you need a backup. The power of the generator is rated at 50% engine speed. The 30 kW diesel generator actually operates safely at 25 kW at 1800 rpm for prolonged periods of time. It would be safer if the home or ranch had two generators scheduled to operate in an alternating schedule of 12 hours each. This would ensure that the proper maintenance and care could be given the generators while providing continuous power. Other considerations in selecting a power generator involve selecting one that is a four-cycle, water-cooled industrial diesel generator.

A water-cooled generator operates more quietly than an air-cooled and it lasts longer. There are two electrical systems involved with a diesel generator, the DC (direct current) and the AC (alternating current) systems. The recommended DC system should have a starter motor with a battery-charging alternator with a solid-state voltage regulator. It should have an engine pre-heat electric switch and start/stop switch.

It should have an emergency engine shutdown system to protect the engine in case of oil pressure loss, excessive generator speed, over cranking and engine high water temperature. Finally, it should have DC electric system breakers. Make sure that the AC system is a four-pole revolving field and is has an AVR (automatic voltage regulator). These generators will provide power that is within -+2% as compared to utility company variation, which is -+5%.

Tuesday, October 23, 2007

Portable Generators

Portable generators are used in homes and in places where there is no power or the need for power is minimum. Portable generators are generally smaller and are designed to use for a few. A portable generator of 5KW has enough power to keep lights, refrigerators, computers and televisions running for 7 to 8 hours. Portable generators are normally powered by gasoline, diesel, propane or natural gas. They are the most popular of all portable generators. Gasoline generators are relatively less expensive but require frequent maintenance and have a shorter life span. Gasoline has a short shelf life and cannot be stored for a long time unless treated with stabilizers.

Diesel generators, on the other hand, are fuel-efficient, consume less fuel per kilowatt of power produced, have longer life and require less maintenance. Diesel can be stored for longer periods of time. However, they are harder to start in cold weather and noisy. Portable generators powered by natural gas or propane is the best choice if available. The generator lasts longer and burns cleaner.

Before choosing a portable generator, the total wattage of all appliances to be powered by the generator must be calculated. This includes the starting wattage required by appliances with motors, such as refrigerators and freezers that use two or three times their normal wattage power to start. The generator should not only meet the normal wattage, but the start up wattage of the appliances. Moreover, the generator must have the necessary voltage ratings to run electric appliances such as the ovens and clothes driers that are rated at 240 volts. A portable generator should have at least two receptacles of 120 volt each. Generators that provide a longer runtime per tank of fuel or having a fuel tank capacity of around 5 gallon of fuel are preferred especially, by people living in areas where power failures are quite frequent.

A portable 7KW generator that can power lights, furnaces, sump pumps, televisions and refrigerators may cost $1000 or more depending upon the quality and the type of generator. For a normal home, an ideal generator would be in 10KW to 12 KW costing around $2700 for 10KW and $3700 for a 12 KW. Portable diesel generators are available for use on construction sites in the range of 200KW and more.

Before operating the generator, read and follow the instructions given in the owner’s manual. Observe the operating and the maintenance procedures strictly for safe and trouble free operation. Avoid putting loads on the generator that exceed the manufacturer’s rating. Also, do not run too many devices at the same time. This trips the generators circuit breakers causing loss of power. The generator must be operated at least twice a year with full load to keep it in working condition. Keep the generator outside the house but never in a garage or in a basement. Carbon monoxide emitted from the generator can be hazardous to health. Use only the recommended extension cords for the generator. Hire the service of a qualified electrician to install a transfer switch if the generator is to be connected to home wiring. Do not refuel the generator when it is under operation. Spilling of fuel may cause fire. The generator should be kept dry and should not be run in wet conditions.

Diesel Generators

Fuels such as gasoline, diesel, propane or natural gas basically power home generators. Some models also have multi fuel capabilities and run on gasoline, propane or natural gas. The choice of the fuel will depend on the availability of the fuel in times of emergency, fuel consumed per kilowatt of power produced, maintenance of the generator and the comparative risk of storing the fuels.

Diesel generators consume comparatively less fuel per kilowatt of electricity produced and more fuel-efficient than generators powered by natural gas or gasoline. For every gallon of fuel consumed, diesel generators run 2 or 3 times longer than gasoline engines. Diesel generators do not require frequent maintenance, as is the case with gasoline generators and are designed to run continuously for long hours. Most generators come with a water-cooled engine with a speed of 1800rpm. This ensures the engines durability, and at the same time, makes it the most dependable of all the other types of generators.

Unlike gasoline generators, diesel engines are safe as they work on the principle of direct injection and have no spark plugs, which keep them relatively safe from potential fire. Diesel has a longer shelf life, and being the least flammable source of fuel, can be stored for more than a year.

Diesel is available at most of gas stations and can be conveniently carried in cans. However, diesel generators are hard to start in cold weather; emit more smoke and are noisy. Home diesel generators may cost anywhere between $1000 for 4KW to $9000 for a 15 KW depending upon the quality, wattage rating and voltage rating. Diesel generators for industrial use are available in the range of 500KW to 2000KW

Thursday, October 18, 2007

Why Choose A Disesel Generator For The Hurricane Season

Diesel engine generators can offer you more benefits than a gasoline powered generator. While they can be slightly more expensive than gasoline generators, diesel generators usually offer a long lifespan and more efficiency. Below you will find some additional information about what diesel generators can offer for your home, business, construction site or farm.

Why can diesel generators offer a better choice?

- Longevity – diesel generators usually offer a longer lifespan

- Lower costs – diesel generators usually offer a lower fuel consumption rate, which saves you money

- Lower cost to maintain – diesel generators usually offer more reliable engines

- Quietness – diesel generators can often times be quieter than other types of generators

Diesel generators offer reliability over gasoline generators. Many times, diesel generators can operate more than 10,000 hours without requiring any maintenance. Because the fuel burns at a lower level than a gasoline generator, there is less wear and tear on diesel powered generators.

Here is a breakdown of maintenance requirements for typical diesel and gasoline powered generators:

- 1800 rpm water cooled diesel units can usually operate on average 12-30,000 hours before requiring major maintenance

- 1800 rpm water cooled gas units can usually operate 6-10,000 hours before requiring major maintenance. These units are built on a lighter duty gasoline engine block.

Generators - A Guide to Purchasing

The diesel generator produces electric energy using the combination of an electrical generator and a diesel engine.

Ships often use diesel generators, to power the electric system and to propel the ship. Wherever the electrical grid is unstable, a diesel generator is used as a back up during supply failure. Even with the best alternative system such as solar energy or wind energy, sometimes the weather may not cooperate and land us in darkness when the main power source fails. To keep our power system running, a backup engine generator may be just the thing. For businesses with sensitive computer networks, or homes with critical medical equipment, a back up power system such as a diesel generator may be necessary even when grid power is available.

The intended power load and the ability to supply the same is the basis for the selection of diesel generators.

High quality gasoline generators and diesel generators will provide reliable backup power to small offices and most homes. When you have a good backup generator sized to support your important electrical equipment and power systems then you need not bother or worry when there is a major supply failure.

Diesel generators can be switched on or off unlike other alternative power sources so there are no need for a dedicated charge controller. The generator can be connected to the main power system through an inverter using the generator’s auto-start feature. Alternatively, it can also be connected to the generator auto-start battery charger.

When buying a diesel generator make a list of the lights and equipment that will be running off the generator. Total the wattage requirements to determine the capacity of the generator. Compare wattage requirement and the price of the generator. If the generator is to be connected directly to the electrical system, then it is advisable to hire a qualified technician to install the transfer switch. Ensure that the generator has adequate storage capacity, longer usage time at a stretch, overload protection and auto shut off facility.

Monday, October 15, 2007

Some Generators Make Good Neighbors

There are generally two main components that make up generators. One part is the motor that burns fuel, which usually consists of natural gas, diesel, propane or gasoline, and the generator head is the second part that is essential. It is the generator head that turns the power into electricity. Whether it is a 5kw generator or a 10kw generator, the motor and the power generator comprise the standard unit. The electricity generated is measured in terms of voltage and watts. Voltage is a measure of the pressure of the current and wattage is more like the measure of volume of electricity being created. It's important that you know the specific voltage your situation calls for, and then you can then take the model that supplies enough wattage for everything you're going to be running. Honda, coleman, and yamaha are three popular manufacturers.

The standard household current is a single-phase 120 volts. The service entrances to most homes have a 120/240-v service, which means they have two 120v circuits. Combined, they provide 240 volts for all of your power- hungry appliances including central air conditioning, water pumps and electric ranges. Made by Honda, the 2000i and the eu models are popular and are known for their reliability. If you have a large business, it's obvious you are going to have varying power requirements. Often you're going to need to have three-phase power, which is better for running heavy-duty motors. Three days’ power in the United States usually produces 120/208 volts or 277/480 volts. Manufacturers such as honda make power generators that are available for all common voltages, but make sure you know the voltage requirements for your business, so you will be able to find the right match.

Wattage is different than voltage, and it's based on your existing circuits and your electrical service. The requirement for wattage increases with each additional appliance or piece of equipment you want to power with your generator. Even your smallest eu or coleman generator produces around 800 watts. Large industrial generators can produce 500 kW or 500,000 watts or even more. For small businesses, you'll find 15 to 100 W are common. There are two types of generators, the standby generator and the portable generator. Standby generators are used to offset the effects felt from power outages and can be permanently installed as an emergency power source for your business. Hardwired into the building’s electrical system, they are designed to be used for only a few short hours at a time. This type of generator is much smaller and less expensive. Most generators have built in the fuel tanks, which allows them to run anywhere and you can plug in ordinary extension cords. The smallest type of generator is under 1 kW with the largest being over 15 kW. The 5kw generator is common for residential use.

There's also a sub-class of tow-able generators that is designed for towing to construction sites. These run on diesel and can produce over 200 kW or more. Generator engines are cooled by water or air, and it’s the air-cooled systems that are the most cost-effective. You will get better temperature control with liquid-cooled generators and they're also quieter, which is especially good if you're considering running these in a residential neighborhood. Please keep in mind that you're going to need an experienced electrician, and pipe fitter to install your unit. This will ensure that you will have many carefree and safe operating hours. If you're in the market for a new generator, visit some user forums and gets some testimonies and make a valuable purchase decision based on a wealth of information available to you right here on the Internet.

Generators - A Guide to Purchasing

The diesel generator produces electric energy using the combination of an electrical generator and a diesel engine.

Ships often use diesel generators, to power the electric system and to propel the ship. Wherever the electrical grid is unstable, a diesel generator is used as a back up during supply failure. Even with the best alternative system such as solar energy or wind energy, sometimes the weather may not cooperate and land us in darkness when the main power source fails. To keep our power system running, a backup engine generator may be just the thing. For businesses with sensitive computer networks, or homes with critical medical equipment, a back up power system such as a diesel generator may be necessary even when grid power is available.

The intended power load and the ability to supply the same is the basis for the selection of diesel generators.

High quality gasoline generators and diesel generators will provide reliable backup power to small offices and most homes. When you have a good backup generator sized to support your important electrical equipment and power systems then you need not bother or worry when there is a major supply failure.

Diesel generators can be switched on or off unlike other alternative power sources so there are no need for a dedicated charge controller. The generator can be connected to the main power system through an inverter using the generator’s auto-start feature. Alternatively, it can also be connected to the generator auto-start battery charger.

When buying a diesel generator make a list of the lights and equipment that will be running off the generator. Total the wattage requirements to determine the capacity of the generator. Compare wattage requirement and the price of the generator. If the generator is to be connected directly to the electrical system, then it is advisable to hire a qualified technician to install the transfer switch. Ensure that the generator has adequate storage capacity, longer usage time at a stretch, overload protection and auto shut off facility.