Firing circuit for converters used in drives applications

The purpose of this paper is designing, simulating and fabricating a triggering circuit for converters used in DC drives applications. The working of the proposed triggering circuit is discussed. Detailed description and functioning of various stages in the design is highlighted along with the output waveforms. The proposed design is first simulated using Multisim and the simulation results are presented. The objectives of this design incorporate the precise control of firing angle, provision for feed-back control for motor control applications and achieving pulse of designed nature. The designed system is then fabricated and the hardware results are summarized.