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Kestrel e300i
The Kestrel e300i 1000W Wind Turbine 3 Blade 110VDC 30867 is a mouthful of a name. It is actually a very descriptive name, rather than one that arbitrarily assigns demarcation of a specific entity. It would be like changing the name of your dog from Fido to “four legged furry companion with a brindle coat and a propensity for chasing squirrels”. So in the interest of deciphering the information rich name of the Kestrel e300i, let us take a closer look.
We will start by discarding the portions of the Kestrel e300i’s name that are non-informative for our purposes. The serial number at the end of the name tells us nothing, so we can safely ignore it. The Kestrel e300i portion of the name is a model line for the turbines, which tells us all we need to know about them simply by being there. The interesting portion of the name is sandwiched in between those two extremes.
In the middle of the Kestrel e300i’s name lays the meat, which tells us what the turbine is capable of, how it does it, and what we need to make use of its capabilities. The 1000W portion of the name tells us that the e300i’s capacity is a maximum of 1 kilowatt, or 1000 watts. The next portion tells us that the turbine utilizes a three blade setup, similar to that used in large scale industrial wind farms. The three blade setup has a higher kick in point, but it is capable of out producing a six blade setup at moderate to high wind speeds. For any medium to large scale turbine the three blade setup is the most finely honed configuration out there today.
The next portion of the kestrel e300i’s name is 110VDC, which stands for 110 volts direct current. This is the type of power the turbine produces. It is important to know, because it tells us two vital things about the kestrel. Firstly, it tells us that it generates 110, or half of the 220 volt current that your local power company supplies your home with. This in itself is not worrisome, the vast majority of your appliances run on 110 volt power. However if you run a machine shop, factory, or other industrial use facility, 110 volt power will not be sufficient for your needs.The other important aspect of the last portion is the direct current. DC is the type of power stored in batteries, and used in mobile devices. Plug in appliances on the other hand use alternating current, or AC. AC power is more efficient at traveling long distances, which is why it was set up for the power grid. Thankfully, it is fairly simple to transfer power from DC to AC, or vice versa. The transfer does come with a loss of efficiency, so if you are going to hook up your turbine to a storage system, it is better to divert power to the batteries before converting it, so that the power doesn’t incur three conversion losses (DC to AC through an inverter, AC back to DC to get to the battery, and then back to AC for use) before it is put to any use.
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