4、troltechniqueathomeandabroadandabriefdescriptionofthesignificance.FollowedbyabriefintroductiontotheworkingprincipleofSVCandclassificationfeatures,andintroducestheprinciplecharacteristicsofPIDcontrol.Thispaper presents theimproved nonlinear transformof the new PIcontrollerdesignmetho
5、d: inthetraditional PIcontroller byaddinganonlineartransformation asthereference basis, plusnonlinear degree beforetheproportionand integral (notthesame), and voltageintheSVC controlsystemcontrol unittorealize.ThenonMatlab/Simulinksimulationplatformforsimulationexperiments,andmakeac