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Synchronised linear ramp-pulse based triggering pulse generation ON/OFF control for solid-state switches: Capacitor switching applications
, K.K. Ray
Published in
2012
Volume: 7
   
Issue: 2
Pages: 45 - 49
Abstract
This paper describes a newly developed triggering circuit, has been use to turn on and off the solidstate switches, such as TRIAC switched capacitors applications. A linear ramp signal based synchronization technique has been propose and implemented successfully, for the capacitor switching operation of a simple power system. This scheme enables the firing circuit to adjust itself against any phase and/or sequence alterations. This feature leads to elimination of the phase locked-loop (PLL) control, are commonly used to synchronize the pulse generations with respect to the system the supply frequency. Those pulses are, to control the converter/inverter operation of an industrial drives and the FACTS controllers also. The proposed circuit has been constructing and tested experimentally in the laboratory. The simulation work completed using Or CARD software. The result shows a good agreement with the theoretical waveforms.
About the journal
JournalWSEAS Transactions on Power Systems
ISSN17905060