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Here is a basic take on what is happening when a voltage is induced in a coil, as for a wind-electric generator. This is my preliminary analysis without reading too much on it to start with. Let me know if I need to change anything so that others can view it. I did this since if we want to build a wind generator we need to know some of the mystery and “black art”/hard to find things of basic generator principles and construction.

(It appears my loop analysis is probably wrong after viewing the below links. I was correct with my 1 wire (not loop) analysis. Still each loop of the coil will theoretically add a voltage equivalent to the first initial coil).

When you stack voltage sources (such as batteries) from neg to pos you increase the voltage.

Vcoil = Sum of voltages of each loop (or portion/segment) in that coil.

Extra (please review or read these great descriptions of inducing a voltage in a coil).

I didn’t read all of this but it looks like something what I was trying to ask/discuss: http://www.fieldlines.com/story/2004/12/26/17435/340

This was also mentiond in the above article: http://www.fieldlines.com/story/2004/10/2/11043/6778
This looks like some kind of new generator which uses twisted wire to produce higher voltages and current: http://www.patentstorm.us/patents/4719380/description.html

Note that moving a wire through a magnetic field can produce a voltage, but also a changing strength of a magnetic field (when a wire is near it) can induce a voltage such as in a coil-to-coil-transformer.

With this type of experimentation, an oscilloscope can help find problems, verifications and optimizations of the system.

Here is about when a magnet passes through a coil (or vice versa), note the the voltage out is alternating current as shown by the sine wave:
http://www.picotech.com/experiments/magnetic_induction/magnetic_induction.html

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Technorati Tags: coil, design, energy, fundamentals, generator, How, induced, magnet, mystery, power, turbine, voltage, wind

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