Tag Archives: Three Phase

Three-Phase Fractional-Slot Windings

Background Fractional-slot windings were invented for some purpose that was totally different and limited from what they were later used for. Assume that the armature of a three-phase salient-pole synchronous generator is designed with nine slots per pole (like in … Continue reading

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Basic Rules of Three-Phase Windings

There are two simple but important rules in the windings theory: When the positions and directions of the currents for each phase are known, then for analysis purposes, it doesn’t matter how they are interconnected or where the currents start … Continue reading

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