Load voltage regulator for single-phase permanent-magnet alternating current electric generator

The utility model is characterized in that a single-phase half-control rectifying circuit is composed of diodes D1, D2 and controlled silicon SCR1, SCR2; diodes D3, D4 of a resistor and R2, D6, D5 respectively provides trigger current for a control pole from the positive electrode of the controlled silicon SCR1, SCR2; the positive electrode of a constant voltage diode DW is connected with earth, and the negative electrode is connected with the negative electrodes of the diodes D3, D6 and the positive electrode of D4, D5; an electrolytic condenser C and an output end are connected in parallel; the positive electrode of the electrolytic condenser C is connected with the negative electrode of the controlled silicon SCR1, SCR2, and the negative electrode is connected with earth. The utility model which solves the problems of insufficient light of minitype motor vehicles with low speed and burning electric equipment with high speed and ensures the safety of driving at night has the advantages of simple structure, low power consumption, stable performance and high performance of stabilized voltage.