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Lakota Wind Turbine
Alt-E Store Comment:
In terms of kilowatt-hours produced per month the Lakota wind turbine is similiar to the H80, however it's is similiar to the lower rated H40. And unlike either the H40 or the H80, due to its advanced carbon fiber blades and robust design the Lakota will keep on producing more and more power at higher windspeeds (checkout the graphs below). Whereas with most wind turbines, once you go over their rated air speed their power production drops dramatically. You'll find this wind turbine responds more quickly to sudden strong gusts of winds, maximizing the actual power (watt-hours) you'll produce. We think that this turbine is probably one of the best mixes of quality, robust design and value available today.
Plus, unlike the H40 & H80, these turbines don't take 6-8 weeks to ship. We carry most versions in our own stock (call us for availability), and in the worst case, out of stock voltages can be shipped out to you in 2 to 3 weeks.
Available in: 12V, 24V and 48V
Lakota's Advanced Features
Monthly Power Production
In addition, since the blades are very light they can take advantage of wind gusts that heavier blades can't because their inertia is too high to react before the gust is over. Over time this amounts to considerable extra energy extracted from the same column of air.
Wind Turbine Performance in Different Regions
Don't know what the Wind Class is for your location? Click here the US Wind Resource on our Alt-E University to find out what your wind class is.
The Lakota turbine uses an 8 pole, 36 slot, 3 phase alternator with 10 winding leads. This allows 4 separate field adjustable settings to be made that will optimize it's output and match it's performance to low, medium, high or severe wind regimes.
The Lakota generator has a high power to weight ratio. It uses a single stator, rare-earth neodymium iron boron permanent magnet in a cast aluminum casing with stainless steel fittings. The upward furling mechanism ensures the Lakota will not "Hide" from high winds but continue to put out up to two times it's rated power without damage to its electrical or mechanical components. It's precision components are designed for long life. We recommend at least a 60-100 amp DC circuit breaker be used with all installations.
Lakota turbines are sealed units and require only annual inspection. No lubrication or overhaul maintenance schedule is required during the life of the generator. (approx. 15-20 years). Marine or desert installations may need more attention to surface corrosion and leading-edge tape on the blades. Helicopter grade leading-edge tape is replaceable if abraded by fine debris or sand. Lakota field units have survived 120mph storms while other units nearby have self-distructed. Vehicle mounted test units continue to output maximum power at over 70mph with no damaging effects.
Lakota's aerospace grade uni-directional carbon fiber blades are not to be confused with carbon matrix or carbon reinforced plastic blades. Unlike plastic with powdered carbon blades that bend and flutter, the carbon fibers in the Lakota blades are 7 times stiffer than common steel, and carry the loads from tip to root. This allows the Lakota to harness far more energy annually than comparable similar wind turbine generators. In addition, the increased output substantially lowers the overall cost of energy despite a slightly higher initial purchase .
The Lakota SC has a special UV stabilized titanium dioxide, linear polyurethane aircraft coating that protect the unit from rain, snow, ice, sun, sand and dust, wind and corrosion.
Aeromag's Blade Technology
AEROMAG's aerospace grade uni-directional carbon fiber blades are not to be confused with carbon matrix or carbon reinforced plastic blades. Unlike plastic with powdered carbon blades that bend and flutter, the carbon fibers in the AEROMAG blade are 7 times stiffer than common steel, and carry the loads from tip to root. This allows the AEROMAG LAKOTA to harness far more energy annually than comparable similar wind turbine generators. In addition, the increased output substantially lowers the overall cost of energy despite a slightly higher initial purchase .
Regulation and Control
The electronics perform several functions to ensure maximum output and safety for the user. The regulation control maintain a load on the alternator at all times preventing turbine overspeed, regardless of the charge condition of the battery. You may select among a variety of Regulation and Control Device from cost effective Rectifier Module to advanced Manual or Automated Load Divergence Center to professional Wind Turbine Flight and Battery Charge Controller. If your application requires a quiet and powerful wind turbine and is in a place with low as well as potentially high winds, then consider the AEROMAG LAKOTA Stealth Acoustic from AEROMAX.
Dump Load Configuration
A dump load is a critical part of the system, without DL the turbine should not be up and flying. A Diversion Load is an automated safeguard system that enables expanded wind turbine performance while preventing overcharge at the battery. Small wind turbines are commonly misunderstood when it comes to dump-loads. The most common misconception regarding DL is the myth of wasting energy. Dump loads are infrequent, yet their existence is critical to reliable performance of the wind system.
We highly recommend that you use a diversion dump load in conjunction with the Lakota. We now recommend you use the Commander Controller. However, previously, you could do this in one of the two ways shown below:
1) Use a voltage controlled switch set for Active High (AH) operation from Solar Converters (do a search on "VCS" to find our voltage controlled switches). Connect the voltage controlled switch to one of our high ampere relays (do a search on the word "relay" to find them). The relay will also be connected to the battery bank. Then connect the relay also to a dump load (resistive load). When the voltage on the battery bank is high enough (full), the voltage controlled switch will automatically turn on the relay. The relay in turn will allow current to flow from the battery bank through the high power resistive loads (dump loads).
2) Use a Wind Machine Controller from Solar Converters (do a search on "LDR" to find all of the models available). Then simply connect that to the dump load and the battery bank. This is probably the easiest solution for most people.
A special note about the dump load (resistive load) - we recommend on using our adjustable resistive dump loads as the dump load (do a search on "dump" to find out dump load resistor). You will need two of these. The configuration of the adjustable dump load will depend on the voltage turbine you'll be using:
Standard factory five (5) years parts and labor carry-in warranty plus seven (7) years blade parts warranty. All warranty claims will be serviced at an authorized U.S. service center. Tower components excluding cable, clamps and fasteners shall carry a limited Life Time parts only, carry-in warranty.
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