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Kansas Wind Power-W, 13569 214th Road, Holton, KS 66436       Phone: 785-364-4407

                           

Hydroelectric DC Charging

Use to charge a 12, 24 or 48 volt battery 24 hours a day either alone or with solar modules, wind generator or engine generator. A 100 gallons per minute of water falling 10 feet or 5 gallons per minute falling 200 feet through a pipe can generate 80 watts. This is about 1.9 KiloWatt hours a day and would equal about five 75 watt solar modules in a 5 peak sun hour location. A diversion type regulator and dump load is needed to prevent battery overcharging.

The amount of power available depends on the dynamic head, the amount of water flow and the efficiency of the hydroelectric unit.

Most micro hydroelectric turbines operate from the pressure at the bottom end of a pipeline. This pressure is measured in pounds per square inch (PSI) and is directly related to the head, or vertical distance from where the water goes into the pipe at the top of the pipeline, to the turbine located at the bottom of the pipeline.

You should know your Total Head, Flow rate in gallons per minute, Pipe length needed, Wiring distance from hydro unit to batteries.

Head in Feet times Flow in GPM divided by 10 will equal the approximate Watts available

 

 

Low Voltage Hydroelectric Generator

 Brushless Permanent Magnet Alternator with rectified DC output

400 watt for 12 volt
800 watt for 24, 48, 96 volt.

Older style with Harris housing and bronze Pelton runner

New Stainless Steel Turgo
Pictured above

 
1 nozzle LV Hydro Turbine  W522  60 lbs $1400
2 nozzle LV Hydro Turbine  W523  60 lbs $1450
3 nozzle LV Hydro Turbine  W524  60 lbs $1500
4 nozzle LV Hydro Turbine  W525  60 lbs $1550

Specify voltage 12V, 24V, 48V, or 96V
Available Nozzle Sizes: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 5/8" 
Extra nozzles are $10 each.

These units use a cast aluminum housing and now have a stainless steel turgo runner. This turgo is slightly more efficient and is longer lasting than the bronze pelton runner.  All hardware is stainless steel, and nozzle holders and nozzles are brass. Units will work on pressures from 20psi to 180psi.The alternator is a brushless permanent magnet, 12 pole, with 2 x 6203 sealed bearings. These commonly available bearings should be changed every 4 - 10 years, depending on use. The alternating current from the alternator goes through the water-cooled rectifier to produce DC for your battery. The unit comes complete with an induction amp meter and 1'' flexible hose for easy hook-up. We recommend fusing the wire near the batteries. Units have a 2 year factory warranty. A diversion type regulator and dump load is needed to prevent battery overcharging.

 

Harris Hydro Pelton Turbines

                12 - 24 - 48 volt models

with 1 nozzle  W512  70 lbs      $2195
with 2 nozzles 
W513  70 lbs    
$2295
with 4 nozzles  
W514  70 lbs    
$2395
Bronze Pelton Runner
W521 5 lbs $295
Nozzles
                                     
$9
Fan Kit for over 500 watts   6 lbs 
$70

Head Range is 20 to 600,
Flow Range is 4 to 250 GPM
PM Alternator 1000 watt. 

This turbine uses a cast bronze pelton wheel, aluminum housing and a Permanent Magnet, brushless alternator for better efficiency, less maintenance and long life.  A diversion type regulator and dump load is needed to prevent battery overcharging.

 

Make your own hydro turbine with these runners.

Bronze Turgo Runner

Has 4 pitch diameter (the place where the center of the water jet is aimed). For up to 1 nozzle. Fits Ford or Delco alternator, has 5/8 threaded hole. W519 10 lbs   $825

Stainless Steel Turgo Runner

This is the same runner as used on the new Low Voltage Hydroelectric Generator. Hydraulic pitch diameter is 4". Runner is 5-1/2" outside diameter, 1-1/16" thick. Mounting hole is 17mm threaded. It is more durable and longer lasting than Bronze.  For up to 1"nozzle.  W526 5 lbs $395 

For car alternators an extension adapter is used to position runner an adequate distance from the car alternator. Adapter is about 3" long. One end threads into runner and the other end has female threads for the alternator .  W527 1 lb $35.

Harris Silicon Bronze Pelton Runner

Fits GM and Ford Shaft, 5 diameter, 4 hydraulic diameter, 85-90% efficient, for up to 1/2" nozzle.
W521 8 lbs $325  

 

 

POWER OUTPUT & SITE ASSESSMENT

To determine the power available at a site, head and flow measurements must be taken. Flow is the rate at which water moves, measured in liters per second (l/s) or gallons per minute (gpm). This can be measured by channeling the water into a pipeline, then into a container of a known volume, noting the time it takes to do so. A weir can be used to measure flows in larger streams. Head can be measured by using a transit, by looking along a level, or by using a pressure gauge at the end of the pipeline. An altimeter can also be used, so long as it is accurate, and sufficiently sensitive.

It is important to keep in mind that output can only be accurately determined if head and flow measurements are made correctly, so care should be taken during this process. Two other important factors in a site assessment are system voltage, and transmission distance. The voltage and distance the power must travel can affect the efficiency and cost of your transmission lines.

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Last modified: 08/27/14 
Kansas Wind Power - W,  13569 214th Road, Holton, KS 66436   785-364-4407,  All prices and specifications are subject to change without notice.