Dr471e Posted July 28, 2012 Report Share Posted July 28, 2012 does everyone understand about QM20TD-H device?i use QM20TD-H for my 3 phase inverter. but, i have a problem. the output voltage of my 3 phase inverter is always same with the trigger voltage. it can't increase.does everyone have a solution? Quote Link to comment Share on other sites More sharing options...
Hero999 Posted July 30, 2012 Report Share Posted July 30, 2012 http://pdf.dzsc.com/QM2/QM20.pdfWhat's the trigger voltage?Post a schematic. Quote Link to comment Share on other sites More sharing options...
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