We are designing VVVFD panels for Automation industries, Conveyer, Roller Mills with the features of DOL/STAR DELTA. Bypass arrangement. In Build Chocks, HMI, Analog & Digital Input and Outputs. Speed variable potentioments. RPM meters Local/Bypass operation, Auto manual operation and breaking.Parameters : Motor current, Motor AC Voltage, DC bus voltage, motor torque, feed back frequency measured by an incremental encoder reference frequency, electrical output frequency & Speed