Design and Implementation of Firing Circuit for Single- Phase Converter

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Provided by: International Journal of Computer and Electrical Engineering (IJCEE)
Topic: Hardware
Format: PDF
In this paper, the authors design and implement the firing circuit for a converter. The necessity of getting synchronized firing pulses for the gate of the thyristor is discussed. Out of many variety of firing circuits available, the ideas behind are the two most popularly used control circuits that are namely using ramp signal and using cosine signal. It shows how a cosine controls scheme work. Detail description and functioning of each block is explained along with the waveforms at the output of the blocks. Experimental results obtained from oscillographic displays at important points of the circuits are included.
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