Testing and connecting

Three Phase Motor Star Delta Connection

Check that the PMG has no faults before it is put into use. It will be much easier to correct the faults now, than to return the unit to the workshop later. Mount the spine vertically in a vice. The magnet rotors are free to move. The shaft is horizontal, as it will be in a wind generator. Check that the wires are not touching each other, creating a short circuit which makes the PMG harder to turn. Check that the rotor will spin freely. Spin the rotor and listen for sounds. There should not be...