SYNCHRONOUS RELUCTANCE MOTOR, OPERATING MACHINE COMPRISING THE MOTOR AND METHOD FOR CONTROLLING THE MOTOR

摘要

A synchronous reluctance motor comprises a stator (2) having at least one pair of poles and a plurality (ns) of grooves (3) for each pair of poles, a transverse-laminated rotor (5) with a plurality of disk-line sheet metal members (7, 7', 7",...) of predetermined outside diameter (D), each having a plurality of adjacent slots (8, 8',...; 9, 9',...; 10, 10',...; 11, 11 ',...) and a central through hole (12) of predetermined inside diameter (d), each slot (8, 8',...; 9, 9',...; 10, 10',...; 11, 11 ',...) having a substantially curved elongate shape, symmetrical with respect to a radius, with end portions closed at the edge (13) of a corresponding sheet element (7, 7', 7",...) to define corresponding ribs (14, 14', 14"), which are adapted to be magnetically saturated to be equivalent to rotor slots. At least one first portion of the sheet elements (7, 7', 7",...) has a ratio of the inside diameter (d) to the outside diameter (D) equal to or greater than 0.45 and a number (nr) of equivalent rotor slots (14, 14', 14") equal to the number (ns) of stator grooves (3) per pole pair, decreased or increased by four units.