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DESIGN AND CONSTRUCTION OF FIRING CIRCUIT FOR THREE-PHASE THYRISTER BRIDGE CONVERTER | ||
| AL-TAQANI | ||
| Article 1, Volume 21, Issue 1, 2008, Pages 49-55 | ||
| Author | ||
| Fadhil Yasin Ahmed | ||
| Abstract | ||
| This paper presents design and construction of firing circuit for three-phase bridge converter. The turns on thyristers are line commatated. Discrete components are used to build the circuit. Integrated circuits are used to generate the firing pulses, which are synchronized with the source voltages. The firing pulses can be varied linearly with the control voltage of the comparator. The various waveforms of firing circuit obtained theoretically and experimentally are in good agreement. Also this circuit can be connected to a microproccer in order to construct closed loop system | ||
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