China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

The timing dimmable high-pressure sodium electronic ballasts and its working methods, the timing dimming circuit includes a buck the output terminal of the filter circuit in for AC connected buck filter circuit, shaping circuit and frequency dividing circuit and the switching circuit;the timing of the timing control signal input terminal connected to the the shaping signal input terminal of the shaping circuit; shaping circuit shaping the signal output termination points of the frequency dividing circuit frequency signal input terminal, and a frequency dividing circuit dividing a signal output termination shaping circuit; shaping circuitoutputs a control signal terminating the lock control input terminal and the switching circuit of the frequency dividing circuit switching control input terminal; power control output terminal of the switching circuit for the power of the high-pressure sodium lamp ballasts control input terminal connected to the electronic ballast in order to control the high pressure sodiumthe output power of the inverter, in order to adjust the output power of the high pressure sodium lighting energy saving in different time periods in accordance with the requirements of the actual brightness of the illumination.