Fars Scott Industrial Company has designed and manufactured for motor speed control drives for industrial application.

The most important ones are:

• Design and manufactured of 450 kW DC motor speed control drive ordered by the Caspian Cement company.
• Speed control drive with power rating of 2.7MW for a slip ring induction motor. This drive was designed applying cascade method. The dynamic load was implemented by solid state switching of the power output of the rotor winding on a transformer returning power to the 6.3 KV bus of the substation. This System was commissioned  in Behbahan Cement factory.

The block diagram of the system is presented below:

• Design, manufacture, and commission of motor control drive for six belt weighers, ordered by Lushan Cement. The systems have feedback from belt speeds and loadcells and control the weighers feeding rate.