Archive for December, 2009

Homemade Wind Generator

December 28th, 2009 admin No comments

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How to Choose a Portable Generator for Your RV

December 28th, 2009 admin No comments

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China Set To Become World’s Second Largest Power Generator

December 27th, 2009 admin No comments


The amendment to the 2006 renewable energy law was adopted on Saturday by the standing committee of the National People’s Congress, China’s legislature, the Xinhua news agency said.

The amendment also gives authority to the State Council energy department, together with the State Council finance department and the state power authority, to “determine the proportion of renewable energy power generation to the overall generating capacity for a certain period. online casino .”

Many other countries also have requirements that grid operators priorities the dispatch of power from renewable sources, even if it is more expensive than coal-fired baseload plants.

In China, a boom in wind-power plants thanks to government subsidies has resulted in a large amount of wind capacity that is not always properly connected to the grid. In some cases, the wind farms are not located at the optimal spot for wind.

One-third of China’s installed wind power capacity is not well connected to the grid, Xinhua said, citing industry experts.

Much of China’s wind power is installed in remote, wind-swept regions like Inner Mongolia and Gansu, where power demand is low. But some of the country’s cheapest coal generators are also in Inner Mongolia, pricing the wind farms out of the power market.

“Renewable energy power in the country’s resource-rich, underdeveloped northwestern region must be sent to the resource-scarce, prosperous coastal area,” said Wang Zhongyong, renewable energy director at the National Development and Reform Commission’s Energy Research Institute, according to Xinhua.

The relative independence of regional grids made such transmission difficult, Wang said. casino online .com/”>casino online .

China must develop more efficient “smart grids” as part of the solution, said Xiao Liye, director of the Institute of Electrical Engineering of the Chinese Academy of Sciences.

The new requirement will also benefit China’s massive new nuclear power plants, although nuclear power is usually cheap enough to be competitive on its own.

Grid operators refusing to buy power produced by renewable energy generators could be fined up to double the loss suffered by the renewable energy generator, the amendment said.

China’s target is for renewable energy sources to make up 15 percent of its power generation by 2020, up from about 9 percent currently. It also targets a reduction in carbon intensity, or the amount of carbon produced per unit of GDP, of between 40 and 45 percent by 2020 compared with 2005.

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Generator explodes at Providence Hospital

December 27th, 2009 admin No comments

generator-explodes-at-providence-hospitalChristmas morning concerns at Columbia’s Providence Hospital, where an electrical transformer exploded.

“I ran outside and all I saw was nothing but smoke,” said hospital worker Soto Manos.

Manos works at the hospital. In addition to a fire inside, Manos says the blast was so powerful it damaged a nearby building.

“It was a transformer machine right there that actually flew across the road and shattered all the glass and everything,” said Manos.

According to hospital officials the situation could have been worse. Music Justin justin bieber new songs music Baby is the first of its single brought him immense popularity and the love of millions of girls who today for his sake are ready for anything.. But because of the holiday, many people who would have been working in the building hit, were off.

“I hate to think of what could have happened because it went across the street,” said hospital spokesman John Kessler.

Kessler says the hospital prepares for emergencies like the one on Friday; and the nearly 100 patients inside were never at risk.

“Alarms went off because we lost power for a couple of seconds, the lights flickered, it caused an emergency response and a command center was implemented,” said Kessler.

Right after the explosion, Providence used it’s generator for temporary power. Officials are now investigating to find out what caused the Christmas day chaos. nbso .

Crews have been able to restore most of the hospital’s main power. Right now, there is no official damage estimate.

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Carbon monoxide detectors vital when using a generator

December 24th, 2009 admin 2 comments

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Sizing a Generator - How to Determine What Size You Need

December 21st, 2009 admin No comments

sizing-a-generator-1Getting a generator that can handle all your power generation needs is one of the most critical aspects of the purchasing decision.  Whether you are interested in prime or standby power, if your new generator can’t meet your specific requirements then it simply won’t be doing anyone any good because it can put undue stress on the unit and even damage some of the devices connected to it.  Unfortunately, determining exactly what size of generator to get is often very difficult and involves a number of factors and considerations. 

Making a choice amongst single phase, three phase, kW, KVA, welder, standby or motor starting generators can be mind-boggling. To prevent such confusion, this article was developed to help you get a better idea of how the sizing process works and some key things to keep in mind.  This is not a substitute for a certified electrician, which we always suggest talking to before buying, but it should provide you with enough information to get a solid understanding of some of the key things that are involved.

Generator Size Variations:  With the latest advancements in the field of electrical engineering, generators are now available in a wide range of sizes. Generators with power supply capacities of 5kW to 50kW are readily available in the personal and home use markets, while industrial generators are anywhere from 50kW to over 3 Megawatts.  Handy and portable gensets are available for homes, RV’s and small offices, but larger businesses, data centers, buildings, plants, and industrial applications need to use the much larger sized industrial generators to meet their higher power requirements.

sizing-a-generator-2Generator Sizing - How Much Power?:  Many people believe smaller generators can be used for standby electric power because they are not running all the time. This is not only a myth but can actually be very detrimental. Unfortunately, generator under sizing is one of the most common mistakes committed by buyers.  Not only does it involve the risks of damaging your new asset (the generator), but it can also damage other assets connected to it, create hazardous situations, and even limit overall productivity of the unit and/or the business relying on it.  If nothing else, the key thing to remember here is that more is always better than less.  

How to Determine the Right Size Engine or Generator: While there is no substitute for having a certified electrician perform an inspection and calculate everything for you, the guidelines below do offer some great starting points and should at least get you started in the right direction:

Know Your Requirements:  Going to a dealer and buying the best or cheapest generator available without any other consideration is clearly not the best approach. It is always better to delve deep into your power generation requirements before making a choice. You can do this in the following ways:


- Make a list of the items that need to be powered by the generator
- Make a note of the starting and running wattage of the respective items
- Calculate the total power requirements in KVA or KW

How to Find the Starting and Running Wattage: Getting the right starting and running wattage of the devices you intend to power is crucial for calculating the accurate power requirements. 32Red in New Sponsorship Cope with Film4 The British online company 32Red signs a 12-month cope with Film4 to sponsor it’s Late Evening Film series inside a reported substantial deal.. Normally, you will find these in the identification plate or the owner’s manual in the buyer’s kit of each respective device, tool, appliance, or other electrical equipment.

Ampere - Watt Conversion:  You may often find power requirements of tools stated in amperes. In order to convert the power requirement of a tool from ampere to watts, follow these calculations, or you can also use our handy conversion tool on our power calculator web page.

For resistive load: Wattage = amperes x volts

For reactive load: Wattage = (amperes x volts) x load factor

Power Requirement Charting: It often happens that you lose the owner’s manual or for some reason can’t find the power requirement specification of the tools and/or other electrical devices you’re running. Here is a sample power consumption chart that demonstrates some of the typical wattages used for common appliances and tools.  The chart is simply provided as an example to demonstrate how starting and running wattages differ, and how each device has specific consumption needs.  If you have questions over any particular items you can contact the manufacturer, consult an electrician, or contact us for a free consultation.

Different ways of Calculating:  Depending upon the type and number of devices, and the way the generator is scheduled to be used, there are a few different ways of calculating power requirements:

-  Single motor running 
-  Multiple motors running simultaneously
-  No electric motors.

Advantages of choosing the right size generator: Now that you have an idea on how to choose the appropriate size of generator to suit your needs, here’s just a few of the benefits obtained by going through that process:

- No unexpected system failures
- No shutdowns due to capacity overload
- Increased longevity of the generator
- Guaranteed performance
- Smoother hassle-free maintenance
- Increased system life span
- Assured personal safety
- Much smaller chance of asset damage

Where to Buy & Role of Dealers and/or Service Providers:  Since you are not only purchasing a substantial company asset, but most likely an item you will need to rely on for prime or emergency electrical power at some point, probably in a crisis, deciding where to buy is also a key consideration not to be overlooked.  The seller’s years of experience, whether they are a full service dealer or small commissioned broker, and so forth, all play a role. 

Having been in the business for nearly a quarter of a century, here’s just a few of the reasons why you should always consider Diesel Service & Supply, Inc. as your first stop for all your industrial power generation and diesel engine needs:

- 23+ years of industrial experience
- Full service multi-port garage
- Highly qualified mechanics and the industry’s top diesel technicians
- High-end testing equipment and de-installation tools
- Helpful support desk and knowledgeable office staff
- We test all our products
- Always a competitive price!

As this article demonstrates, there are obviously numerous considerations to account for when selecting the appropriate generator for the job.  If you are having a difficult time with it or would like more specific suggestions and recommendations for your situation, contact us today and one of our knowledgeable sales and support staff will be more than happy to assist.

Choose gas generators carefully

December 16th, 2009 admin No comments

One Christmas gift worth considering is an emergency generator for use at a camp or summer cottage or at home in case of a power failure. And yes, power failures during the winter months happen, but usually for only a few hours, although last year there were areas in both Nova Scotia and New Brunswick where residents were without power for several days.

Yet, many buy a generator without giving due consideration to all the factors involved. Often a generator is purchased that has a much higher wattage rating than needed and is also heavier, and thus harder to transport.

Gas on hand and gas consumption of the generator is a key consideration. An emergency generator rated at 6,000 watts will use about 2.5 litres of gas per hour in running at half load and close to four litres per hour when running at full load. Yet a generator rated for 2,500 watts will use only about one litre per hour at full load.

These ratings will vary depending on the manufacturer and the motor used, but gives an idea of what to expect.

In view of this, a generator of 2,000 to 2,500 watts should be considered, and the keeping on hand of three or more 10- to 20-litre containers of gas in a shed during the winter months. Gas more than a month old should go into your vehicle’s gas tank and the container refilled with fresh gas, although many choose to add a gas stabilizer to the gas that will allow gasoline to be kept for three months or more without deteriorating.

For reasons of safety, a gas-powered generator must only be run outside in the open air, thus the following suggestions.

In addition to the generator, one should buy a heavy duty power extension cord rated at 20 amps or more. Ideally, to get the generator power into the house, the homeowner should have an electrician install a suitable male electrical receptacle on the outside wall of the house, and an outlet on the inside wall so one can plug the generator’s extension cord into the outside receptacle, and have the power available at the inside outlet.

Opening a window far enough to allow the power cord in also works, but requires a blanket or towels to block off the open part of the window so as to prevent heat loss.

Do not connect to the electrical wiring in the house. Instead, run a heavy duty extension cord inside the house to where the power is needed. And yes, almost 75 per cent of N.B. residents heat their homes with electricity, but that’s on a separate 220-volt system that would require a big and expensive generator to operate. For heat, a standard portable ceramic electric heater rated at 1,500 watts is recommended, as it will heat an area of up to 400 square feet. That 400-square-foot area can be a living room 20 feet by 20 feet in size. In case of a power failure during sub-zero temperatures, the homeowner should quickly decide which room they are going to camp in as the temperature drops within the house.

Note that pellet stoves in full operation usually draw only about 300 watts, one more reason to consider a pellet stove. For light, a 60 or 100-watt incandescent light bulb, or a compact fluorescent light bulb of 13 or 23 watts in a floor or table lamp will be sufficient. online casino . Most microwave ovens are rated at between 700 and 1,400 watts. While powering the microwave to heat a bowl of canned soup, or water for coffee, turn off the electric heater so as to keep the load on the generator at less than 1,800 watts. Citizen mobilizes a team of AmeriCorps educators and volunteer “Citizen Teachers” to teach real-world learning projects and provide academic support, in order to help all students discover and achieve their dreams.. When starting up the microwave there is a surge which requires more wattage than normal. Yet, most 2,000-watt (2KW) generators should handle this if that is all that is being powered by the generator.

Some generators will run a computer, TV, or other electronic devices, and some will not. If you have the need, ask before buying. Always keep a flashlight and spare batteries on hand, required in order to see to start the generator and set things up if the power failure occurs at night. To keep track of what’s happening news-wise, buy a battery-powered radio and spare batteries.

So now we have heat, light, and a source of hot food. Nor is it usually necessary to run the generator all the time. Thus, 30 to 40 litres of gas should be good for about two days, at which point one can usually scrounge gas from a neighbour or the next town over that still has power. As for water pipes freezing, running a dribble of water from each tap in the unheated part of the house and flushing the toilet once in a while will bring water at ground temperature (at about 45 degrees F, if I remember correctly) into the pipes and thus protect the pipes from freezing. That’s provided you are on town or city water and the system is still working.

As for the larger generator needed to power a rural deep-well pump, sump pump and/or an oil or gas furnace, some all at the same time, best bet is to consult with an electrician well in advance so as to determine how many amps of power your particular well pump, sump pump or furnace actually draws, and the generator wattage needed. Separate from your main electrical circuit breaker panel one also needs to have an electrical panel installed that contains the power cables routed to these units, and a transfer switch to switch to generator power. This is required so as to prevent the generator from feeding its electricity back down the power line coming into the house.

As previously mentioned, always run a gas-powered generator outside in the open air. Case in point, a camp owner finding that a porcupine had taken up residence inside an old woodshed and would not leave despite prodding with a stick. A small gas-powered generator was started up and put in the shed with the idea that the noise and the exhaust fumes would soon drive the critter out. Three hours later, the critter still had not left, but then an inspection found that the porcupine, along with two previously unseen others, were now dead due to asphyxiation.

Not the original intention, but a lesson well and truly demonstrated as to why one should never, ever run a gas motor in an enclosed area where people are present.

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How to maintance generator after the storm

December 15th, 2009 admin No comments”>online casino

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Unit 5 Generator Goes ‘From Worst to First’

December 14th, 2009 admin No comments


At Lakeland Electric, Generator 5 was once synonymous with frustration, failure and even fire. It was considered a $165 million mistake.


Lakeland Electric's Unit 5 generator.

But Unit 5, the utility’s big, 360-megawatt combined cycle natural gas generator, has done a U-turn. It has gone from the outhouse to the penthouse among Lakeland Electric’s fleet of generators.

“Unit 5 has gone from worst to first,” said Tony Candales, a utility assistant general manager whose main job is to see that Lakeland Electric’s generators hum along.

That’s just what Unit 5 is doing, and it has been for more than a year. At one point during the past year, it worked continuously for 82 days.

In the 2009 fiscal year, which ended Sept. 30, Unit 5 was unavailable for service because of mechanical failure for just five days. That is by far the best performance since it went online in 2002. casino .

The worst year for failure was 2006, when it was down with mechanical problems for 81 days.

It’s not unusual for generators to take a while to operate properly. But Unit 5, which was serial No. 1 of it’s kind, and it took longer than most and had a variety of problems, including:

The generator three times caught fire as Lakeland Electric and its manufacturer, Siemens, tried in vain to get it rolling at the turn of the century.

In summer 2005, Unit 5 went down for a few months with a rusted, broken rotor bolt. The cost to repair it and buy replacement power was $7 million.

In 2006, it was down for a month because a rotor blade went awry and damaged hundreds of other blades. The blades were a bit out of whack, and that problem was magnified by the high-speed at which the rotors spin. The blades had to be redesigned.

In 2008, insulation wore off thousands of copper wire windings. The wire is used to create a magnetic field, one of the essential elements of producing electricity. The fix was $2.5 million.

At one point, Candales said, things were so iffy with Unit 5 that workers used to cross their fingers when they fired it up.

It was always something.

Candales said that rather than fixing problems in the generator on a case-by-case basis, Unit 5 needed a two-month time out, during which a head-to-toe analysis of the machine - and how it was used - was undertaken.

With new wiring, better rotors, a two dehumidifiers to prevent rusting and a better understanding of the generator, it has been on a roll for more than a year. Lakeland Electric now makes every effort to keep Unit 5 running or shut down, rather than stopping and starting it repeatedly.

Candales praises Lakeland Electric power plant workers also for the success of Unit 5.

Mayor-elect Gow Fields said the earlier problems and eventual first-string status of Unit 5 remind him of the same thing Lakeland Electric went through with Unit 3, its 365-megawatt coal-fired generator.

The difference between Unit 3 and 5 is that Orlando owns 40 percent of Unit 3 while Lakeland Electric owns all of Unit 5.

“The two situations, early on, were a lot alike,” Fields said. “Both machines were considered dogs at one point in time. There is basically three options; do it on your own, go to a company sponsored driving schools in atlanta or attend a public/private school..”

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