Ametek PM Motors
Ametek PM Motors
Use an Ametek PM Motor as a DC Generator for Wind or Hydro Power
wind | hydroMaking your own
generator or
alternator is quite complicated and can be expensive. It is perhaps the best method to use for a large DIY
wind turbine generating over 300 Watts, or for a small demonstrator which you can build to better understand how wind turbines generate electricity. If you would like to make a relatively cheap
wind turbine generator to generate a couple of hundred watts of power, then you can do a lot worse than using a DC motor as a DC generator. All you then need to do is fit some
PVC wind turbine blades to the motor, put it on a pole, and you have your very own
wind turbine
When choosing a motor to use as a
DC generator there are a few important things to look out for. Ideally you want the motor which generates the highest voltage for the least RPM. A motor rated at 40 Volts at 10,000 RPM for example, would not be able to charge a 12V battery bank unless it was spinning at thousands of revs per minute - not practical for a wind turbine generator.
Therefore wind turbine enthusiasts have homed in on motors which generate say 30 volts at 300 RPM. These include many
treadmill motors and some of the motors made by
Ametek. As long as the copper windings inside are thick enough, these motors can generate a good voltage and carry a useful current generated at the sort of RPMs typical of
wind turbines
Ametek PM Motors for Wind Turbines
Not all
Ametek PM (Permanent Magnet) Motors are suitable for use as
wind turbine generators. Models to look out for are:
Ametek 30VDC - 30VDC at 325 RPM
Ametek 40VDC - 40VDC at 1050 RPM
Ametek 50VDC - 50VDC at 1200 to 1800 RPM (depending on the exact model)
Ametek 99VDC - 99VDC at 535 RPM
The
Ametek 99VDC is the best for most applications, however they are very hard to come by.
Find out about how one enthusiast built themselves a
wind turbine generator using an
Ametek PM Motor as a Generator.
Article Last Modified: 15:17, 28th Dec 2006
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