Stator Assembly
The Stator is fixed to the housing of the generator and does not turn. It contains three main sets of windings wrapped in slots around a laminated, circular iron frame. Each of the three windings has the same number of coils as the rotor has pairs of north and south poles. The coils of each winding are evenly spaced around the core.
The three sets of windings alternate and overlap as they pass through the core in order to produce the required phase angles.
Each group of windings occupy one third of the stator, or 120 degrees of the circle.
The voltage produced by each loop of the stator is at a different phase angle, as a result the output of the stator is divided into three phases.
Two common methods of connecting the windings are:
- Y Connection
- Delta Connection
The parallel path of the Delta connection makes more current available.