peRec 8.1.2 Major Applications of AC-DC-AC frequency converters(WF converters) Adjustable speed Ac motor drives 4 Advantages of ac motors over dc motors 4 Energy saving on AC motors 4 High-performance AC motor drives Control of Ac motors driven by AC-DC-AC frequency converters (WVF converters) 4 Constant voltage frequency ratio control 4 Slip frequency control ◆∨ ector contro ◆ Direct torque controlPower Electron cs i 8 8.1.2 Major Applications of AC Major Applications of AC -DC -AC frequency converters (VVVF converters) frequency converters (VVVF converters) Adjustable speed AC motor drives Adjustable speed AC motor drives Advantages of AC motors over DC motors Advantages of AC motors over DC motors Energy saving on AC motors Energy saving on AC motors High -performance AC motor drives performance AC motor drives Control of AC motors driven by AC Control of AC motors driven by AC -DC -AC frequency AC frequency converters (VVVF converters) converters (VVVF converters) Constant voltage frequency ratio control Constant voltage frequency ratio control Slip frequency control Slip frequency control Vector control Vector control Direct torque control Direct torque control