Most of that global hydro power is produced by large- scale hydroelectric plants
Today, we will be talking about micro hydro Small in scale Minimum environmental impact Site specific: you must have the resource Affordable Consistent Produces continuously, 24/7
These Turbines are turned by water. That turning motion drives a generator which produced electricity. With the high head situations we commonly see in the mountains, small pelton wheels and turgo wheels are commonly used.
Power Estimate Power (watts) = Net Head (ft) * Flow (GPM) 9-14 (use 10) 10 assumes a system efficiency of 53%
Nozzles Flow through the pipe is controlled by the nozzle size
Harris Hydro The Harris system is an efficient, durable, battery charging pelton turbine with a PM generator. Probably the most abundant micro-hydro unit in the U.S. The multiple nozzle arrangement allows considerably more water to impact the runner, resulting in greater output at any head, and usable power at a much lower head. 1 nozzle $1700 2 nozzle $1800 4 nozzle $1950 www.harrishydro.com
Energy Systems & Design Stream Engine Brushless, permanent magnet alternator which is adjustable Capable of outputs over 1 kilowatt Heads from 6 to 300 feet. Equipped with a rugged bronze turgo wheel, universal nozzles (adaptable to sizing from 1/8 to1 inch), and a digital multimeter which is used to measure output current. www.microhydropower.com 2 Nozzle Bronze $2395 4 Nozzle Bronze $2545 High Voltage Option $200 High Current Option $100
Hydro Induction Power Good for long wire runs, 60' - 500' head, 10 - 600 gpm The units produce 3-Phase 120V, 240V, or 480V 'wild' (unregulated) AC, which is then stepped down to battery voltage. The heavy-duty brushless alternator is housed on the Harris Housing Uses the Harris bronze Pelton Wheel for flows up to 200 gpm and the bronze Turgo Runner for flows of 200 to 600 gpm. www.hipowerhydro.com HV 600 with 2 Nozzles $2500 HV 600 with 4 Nozzles $2600 HV 1200 with 4 Nozzles $3000 HV 1800 with 4 Nozzles $3500 HV 3600 with 4 Nozzles $5000 Turgo option $600
Mollies Branch Case Study 100 ft of net head Stream flow: 300 gpm Design flow: 85 gpm Penstock: 1200’ of 4” HDPE Turbine: Harris Hydro 4- nozzle PM Power: 850 W for now Energy:.85 kW x 24 h/day x 30 day/mon = 612 kWh/mon Cost = about $16,000
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