主题：太阳能发电题型：流程图Thediagrambelowshowshowsolarpanelscanbeusedtoprovideelectricityfordomesticuse.满分范文：Thepictureillustratestheprocessofproducingelectricityinahomeusingsolarpanels.Itisclearthattherearefivedistinctstagesinthisprocess,beginningwiththecaptureofenergyfromsunlight.Thefinaltwostepsshowhowdomesticelectricityisconnectedtotheexternalpowersupply.Atthefirststageintheprocess,solarpanelsontheroofofanormalhousetakeenergyfromthesunandconvertitintoDCcurrent.Next,thiscurrentispassedtoaninverter,whichchangesittoACcurrentandregulatesthesupplyofelectricity.Atstagethree,electricityissuppliedtothehomefromanelectricalpanel.Atthefourthstepshownonthediagram,autilitymeterinthehomeisresponsibleforsendinganyextraelectricpoweroutsidethehouseintothegrid.Finally,ifthesolarpanelsdonotprovideenoughenergyforthehousehold,electricitywillflowfromtheutilitygridintothehomethroughthemeter.
