A segmental stator, comprising: a plurality of main windings and a plurality of secondary windings, wherein each of the main winding and the secondary winding comprises a core segment and a winding frame disposed to the core segment, the core segments of the main windings and the core segments of the secondary windings are staggered and connected with one another in a circumferential direction to form an annular shape, the winding frame of the main winding and the winding frame of the secondary winding are wound with a main winding wire and a secondary winding wire respectively, in which the plurality of main windings comprise at least one first main winding and at least two second main windings; the plurality of secondary windings comprise at least one first secondary winding and/or at least two second secondary windings; a plurality of winding needles disposed on the winding frames respectively to lead out wire heads of corresponding main winding wires or secondary winding wires respectively; and characterized in that a wiring board mounted to the plurality of main windings and the plurality of secondary windings that are connected in the annular shape, and an upper end of the winding needle passing through the wiring board; each first main winding is separately wound by means of one main winding wire, the at least two second main windings are continuously wound by means of another main winding wire, each first secondary winding is separately wound by means of one secondary winding wire, and the at least two second secondary windings are continuously wound by means of another secondary winding wire. a plurality of main windings and a plurality of secondary windings, wherein each of the main winding and the secondary winding comprises a core segment and a winding frame disposed to the core segment, the core segments of the main windings and the core segments of the secondary windings are staggered and connected with one another in a circumferential direction to form an annular shape, the winding frame of the main winding and the winding frame of the secondary winding are wound with a main winding wire and a secondary winding wire respectively, in which the plurality of main windings comprise at least one first main winding and at least two second main windings; the plurality of secondary windings comprise at least one first secondary winding and/or at least two second secondary windings; a plurality of winding needles disposed on the winding frames respectively to lead out wire heads of corresponding main winding wires or secondary winding wires respectively; and characterized in that a wiring board mounted to the plurality of main windings and the plurality of secondary windings that are connected in the annular shape, and an upper end of the winding needle passing through the wiring board; each first main winding is separately wound by means of one main winding wire, the at least two second main windings are continuously wound by means of another main winding wire, each first secondary winding is separately wound by means of one secondary winding wire, and the at least two second secondary windings are continuously wound by means of another secondary winding wire.