3.WhentheJ1-relayswitchisswitchedon,thecurrentchargesthefilterelectrolyticcapacitancethroughthestartingresistance.Whenthecapacitancevoltagereachesacertainvalue,theauxiliarypowersupplystartstoprovide24Velectricity,whichmakestherelaysuckandshort-circuitthestartingresistance.4.Db--siliconbridgethissiliconbridgeisusedforonetimerectifier,whichoutputs30voltsofdirectcurrentafterrectifying220v/50HzAC.5,c1-electrolyticfiltercapacitance)