Magnets Make Electricity


Magnets make electricity. Green Dan shows magnets making electricity. This video shows two different wire wound coils producing different voltage while the rotor travels at the same speed. One coil is wrapped 300 turns while the other coil is wrapped 500 turns. This experimental rotor is only spinning at 61 RPMs. The goal of this experiment is to build a low RPM generator which produces 75 volts to 140 volts while never exceeding 120 RPM’s. I am building a 2-phase stator, rotor design with a total 40 neodymium magnets and 20 coils. That’s 10 coils on 2 phases, equaling 20 coils.
Example Calculation on a 2-phase rectified stator/rotor spinning at 61 RPM’s as stated above. If one coil produces 6 volts and you have 10 coils on one phase, then multiply 6 volts X 10 coils. This equals 60 volts per phase. Since I have 2 phases, I will then need to multiply 60 volts X 1.41. This equals 84.6 volts as the rotor spins at 61 RPM’s. If the rotor slows down, the voltage will drop. If the rotor increases in speed, the voltage will rise. The reason I want to limit my voltage to 140 is the fact my charge controller on my grid-tied battery backed up inverter has a maximum input of 150 volts DC.

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