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. , � <br /> Hybrid Power Systema ' A hybrid system <br /> Combine muRiple sources to deliver non-intermittent electric power that combines a <br /> � i . <br /> wind system with a <br /> .�;�_„:}_. solar and/or diesel <br /> r:�'� � - generator can <br /> '� ,: provide reliable off- <br /> v"�': ' � grid power around <br /> PV modules the CloCk. <br /> � <br /> Generator <br /> � <br /> AC or Load <br /> DC <br /> � E <br /> Wind � <br /> turbine s <br /> • - - - <br /> Battery bank <br /> Can I Go "�f-Grid"? For the times when neither the wind <br /> Hybrid Systems hu'bine nor the PV modules aze pro- <br /> Hybrid wind energy systems can ducing,most hybrid systems provide <br /> provide reliable off-grid power for Power through batteries and/or an <br /> homes,farms,or even entire com- engine-generator powered by rnnven- <br /> munities(a cahousing project,for tional fuels such as diesel.If the bat- <br /> exampie)that are far from the near- teries run low,the engine-generator <br /> est utility lines.Acmrding to many �Provide power and rechazge <br /> renewable energy experts,a"hybrid" �e batteries.Adding an engine- <br /> system that mmbines wind and 8�erator makes the system more <br /> photovoltaic(PV)technologies offers CO�plex,but modem electronic <br /> several advantages over either single controllers can operate these systems <br /> system.In much of the United States, automatically.An engine-generator <br /> wind speeds are low in the summer �an�o reduce the size of the other <br /> when the sun shines brightest and COmponents needed for the system. <br /> longest.The wind is strong in the K�P��d that the storage capac- <br /> winter when less sunlight is available. ity must be large enough to supply <br /> Because the peak operating times electrical needs during non-chazging <br /> for wind and PV occur at different Periods.Battery banks are typically <br /> times of the day and yeaz,hybrid sized to supply the electric load for <br /> systems are more likely to produce one to three days. <br /> power when you need it.(For more An off-grid hybrid system may be <br /> information on solar electric or PV practical for you if: <br /> systems,rnntact the Energy Efficiency • you live in an area with average <br /> and Renewable Energy Information annual wind speed of at least <br /> Portal—see For More Inforn►ation.) 9 mph(4.0 m/s) <br /> • A grid connection is not available <br /> or can only be made through an <br />