Single phase doubly salient permanent magnet generator with full-pitched winding

Abstract

The conventional doubly salient permanent magnet (DSPM) machine has concentrated windings in stator and unipolar flux linkage. This paper presents a novel single phase DSPM generator with full-pitched winding, offering higher efficiency and less copper consumption. The static characteristics of the proposed DSPM generator are analyzed based on the finite element method. It is shown that the full-pitched DSPM generator holds bipolar flux linkage, while the power output capacity keeps the same as the concentrated winding configuration. The power density of the full-pitched DSPM generator may be further improved by extending the permanent magnet (PM) into the stator slot and adding DC excited winding, respectively. The improved full-pitched DSPM generator may be used in the application for wind power generation.

Low speed doubly salient permanent magnet generator with passive rotor for a tidal current turbine

“…Many structures of machines which are called "doubly salient permanent magnet" (DSPM) have been studied in the literature over the last decade [12][13][14][15][16][17].…”

Design and comparison of wind power permanent magnet generator with doubly salient structure and full pitched windings

“…However, it is very difficult to accommodate both the armature windings and DC exciting windings into same stator slots of the DSPM machine. Hence, a new DSPM machine with full-pitched windings (also calls full-pitched DSPM machine) is discussed in [11][12], as shown in Fig. 1(b).…”

“…Recently, a new type permanent magnet (PM) machine, doubly salient permanent magnet (DSPM) machine has attracted more attention due to high performance, such as low inertia, high power density and high reliability [5][6][7][8][9][10][11][12]. In [7], A 8/6-pole DSPM machine is discussed and compared with 6/4-pole DSPM machine.…”

Effects of Structure Parameters on Performance of DSPM Motor

“…It has many advantages such as simple structure, flexible control, large power density and high efficiency [4][5][6] . In recent years, the structure design and operation principle of the DSPM motor was deeply studied by some domestic scholars [7][8][9] .…”