Electronic rectifier of fluorescent lamp

The invention relates to an electronic rectifier, comprising a shell and an electronic circuit arranged in the shell; wherein the electronic circuit comprises a bridge type rectifier circuit and a starting circuit which is in serial connection with a high frequency contravariant circuit and a starter circuit, an abnormal protection automatic restoration circuit is bridge-jointed between the starting circuit and the high frequency contravariant circuit; the invention is characterized in that a power factor main rectifying circuit with power feedback is connected between the bridge type rectifier circuit and the starting circuit, and a power factor assistant rectifying circuit is arranged between the commercial electricity input end and the bridge type rectifier circuit. The invention has the advantages of effectively enhancing the lumen factor, increasing light output, inhibiting surging and avoiding damage caused by thunderstrike and super high power input; effectively reducing the adverse effect of super hig