Course Power & Control manufactures Variable Frequency Drive - VFD Panels. Course Power & Control supplies different types of power electronics equipment and PLC bases control panels for Automation. The Variable Frequency Drive - VFD Panels are also known as digital VFD drives. It is an important part of power panels that is used for VFD squirrel cage induction and in motor control applications. The range of VFD Panels is stringently tested on well defined parameters before being supplied to the clients.