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Hi folks
i want to learn about how to wire two gasoline generators with identical voltage and current rating in parallel , to increase the combined current output.
Thanks
kwame
The frequency of an AC machine is expressed by the formula:
F = (P * N) / 120
where F = Frequency, in hertz
P = the number of poles of the generator rotor
N = the speed of the generator rotor (in RPM)
When synchronous generators (alternators) are connected in parallel with each other on an AC grid, they are all operating at a speed that is directly proportional to the frequency of the AC grid. No generator can go faster or slower than the speed which is proportional to the frequency.
There are great magnetic forces at work in the synchronous generator to keep the rotating magnetic field of the generator in locked synchronicity with the magnetic fields induced in the stator winding by the current flowing in the stator windings. These forces keep every generator's rotor locked in synchronous speed with the frequency of the grid with which they are connected.
Serious note: Remember to tell your electric company when generators are installed. You may not be allowed to install if your generator is able to feed into the power grid.
There have being at leat one known fatal accident here in Norway the latest years because somebody has hoocked up a generator to their power intake in the house, and one of the crew from the local electric company has died because there was still voltage at the primary side of the transformer (22kV).