VOLTAGE REGULATOR FOR AN AC GENERATOR

摘要

A voltage regulator for an AC generator (1) with capacitor excitation is didsclosed, comprising a stator unit (2) having a stator body (4) on which at least an armature winding (5) is wound having at least a couple of terminals (6a, 6b) connected to a load (Z) and at least an auxiliary winding (5) and electrically series connected to at least an excitation capacitor (C>1<); a rotor unit (3) having a rotary body (10) on which at least an excitation winding (11) is wound electrically connected to at least a rectifying circuit (12). Said regulator comprises also at least a switch (13) electrically connected to said auxiliary winding (8) and to said at least one capacitor (C>1<), said switch being controlled by a control device (15) opening or closing said switch (13) to regulate circulation of current (ic) in said auxiliary winding (8) as a function of the variations of the voltage acoss said armature winding (5).