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Refer to the "2008 Wind Technologies Market Report", issued by the Department of Energy in July 2009 (http://eetd.lbl.gov/EA/emp/reports/2008-wind-technologies.pdf). $1.3M per megawatt is right on (for 2008 data).
Paul
Hi:
I asked the company Vestas this question. They are number two in the world in producing wind turbines. They told me the answer is based on a thousand factors but that the general rule of thumb is that wind turbines cost 1.3 to 1.5 million per megawatt.
Cheers,
Ben
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What will the preferable voltage level for the transmission of 3MW to 30Km.plz justify the answer.?
Preferrable depends on a lot of things. For someone looking at minimizing cost, a medium level voltage such as 34.5 or 69kV would probably be preferred due to the distance. This type of line is relatively cheap (when built overhead, not buried), but may still be beyond what its' worth for only 3 MW. The voltage level you'd choose would be the same as is available nearest you, in my opinion - so you can minimize how far you must build, which minimizes long term, land ownership costs. Since this is a fairly small load, the I^2*R losses would be fairly low through 34.5 or 69kV lines. Metering will most typically be done at the utility's end (if you own the line), so this may be important to maximize power that is being metered, resulting in a maximized payout to you. The basic balance is up front cost vs. long term cost vs. what other equipment must be upgraded to accommodate this addition. The higher the voltage, the higher the upfront cost will be; also the higher the fault currents can be, and the more complex relaying can be. Lower cost up front will result in more line loss, higher power transfer limitations, possibly extra equipment such as cap banks that you may be able to avoid at higher voltage (but not guarunteed). You may need to do your own research on this; the utility you are interfacing with should be very knowledgable about this sort of thing - discussion with protection and controls, system planning, and special study groups at the utility may be necessary to fully answer your question as each location in the power grid presents unique challenges to adding generation, and different codes apply to different voltage levels and areas (which they will know).
How To Sell Your Used Diesel Generator?
Diesel generators are well known for their reliability. Where gas and propane add friction to the various moving parts inside a machine, diesel lubricates them, meaning less wear and tear and most important, less repair. However, sometimes a person no longer needs their ever reliable diesel generator so they decide to sell it. This article will tell you how to sell your used diesel generator to generate some extra income. First, compile as much information about your generator as possible. Buyers will want to know how many cylinders it runs on, what size the fuel tank is, how it’s cooled, its fuel consumption, noise level, maximum output, weight and voltage. Second, take pictures of your generator. A full picture along with shots of its ID tags, hour meter and engine will help. The next step is to decide how you want to sell it. You can sell it through print or online. For print, you can put adds in your local newspaper and trade magazines for a small fee. For selling it online, www.ebay.com, www.craigslist.com and www.equipmatching.com are the three most popular sites. Ebay is the largest online auction house and might draw the biggest pool of potential buyers, but they do charge a commission for each sale, where Craigslist and EquipMatching do not. Craigslist is probably the easiest, considering you don’t even have to create an account in order to sell there and signing up is free. EquipMatching, however, is also free as well as being dedicated entirely to surplus machinery. They also offer paid memberships that will improve your chances of getting your item noticed and sold. All these sources publish want ads, so be sure to check them first because you might end up saving yourself a little extra work. Www.dieselserviceandsupply.com is another great option. Diesel Service & Supply, Inc. specializes in diesel generators with outputs between 50kw and 3mw and has been buying and selling diesel generators for more than 20 years. To find out if they’re interested in your generator, simply fill out the form on their website and email them your pictures.
