nabasa ko nga rin yan sir, kaso may forward rev kasi yan tsaka apat na contactor ginagamit.. samit kasi gagamitin eh 3 contactor lang, 1 timer, and pushbutton switch..
^ pwede nmn sir, idesign un control na may interlock, na hindi mag reverse while running. magreverse lang pag stop... switch to stop then change the direction position then restart.
@Lanzergene.. wala nmn forward reverse yan diagram na yan.. and 3 lang contactor nyan..mejo titigan mo pa ng konte.. at motor/power circuit yan.. ung timer and pushbutton switch sa control circuit mo ilaalgay un..separate usually presentation nun.
^ Meron dun sa link ni Sir Iyo Karpo page 30.4-4 explained pa. Goodluck.
May mali sa drawing eh kaya nakakalito at sinabing may reverse, dapat ang trabaho lang nung Star Contactor ay short lang yung U2 V2 W2 para sa WYE Transition.Sa drawing magre-reverse nga sa oras na nag WYE sya.