control mode
5.STUDY ON THREE-PHASE FOUR-BRIDGE SWITCH MODE RECTIFIER AND TTS CONTROL MODE
10.A synthetic PI sliding mode control method used for load frequency control of multiarea power systems has been proposed, the method has the advantages of PI and sliding mode control, sliding mode superface with integral item make the system can reach on sliding mode from initial time. After reaching on sliding mode, system is controlled by PI control based on ACEN.

