F is the frequency (Hz) = N is the rotation speed (RPM) x P is the number of magnetic poles (for Pole)/120.Example 16 type generator magnetic pole rotation speeds around 200 RPM will have 16 frequency = 200 x/120 = 26.66 Hz.Wind turbine generator electricity is AC power system. Voltage, frequency and power output to the side all the time (not fixed), because the change in wind speed causes the rotation speed is not constant so that the fire could not be brought where there is no constant voltage and frequency that is used directly, but to charge into the battery, and then use the power from the battery, which has a relatively constant pressure also can be stored for use in time with no wind.The pressure occurs in one electric generator is more or less. Depending on the two important factor is speed, and the magnetic force. In a DC generator, we can increase the voltage by adjusting the intensity of the magnetic field and increase the rotation speed of generator.
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