A voltage automatic regulating apparatus for wire -electrode cutting

The utility model relates to a voltage automatic regulating apparatus for wire -electrode cutting contains microcontroller, loops through the transformer of connection of electric lines, high -power quick silicon controlled rectifier, wave filter, the voltage input of transformer end and microcontroller's signal input part respectively with the electric wire netting line connection, microcontroller's signal output part still is connected with the controllable end line of the quick silicon controlled rectifier of high -power, the utility model discloses a microcontroller can be to grid voltage's undulant real -time supervision, and output back -off fluctuation error's phase setting trigger impulse gives high -power quick silicon controlled rectifier to realize high -power quick silicon controlled rectifier output voltage's automatic adjustment, just high -power quick silicon controlled rectifier has superior quick characteristic and high electric current climbing characteristic, has improved anti surge current