variable speed drive system(up to 500 kw)
variable speed drive (VSD) is a type of motor drive used in electro-mechanical drive systems to control AC motor speed and torque by varying motor input frequency and voltage.
variable speed drive system(above 500 kw)
motor soft starters
A motor soft starter is a device used with AC electrical motors to temporarily reduce the load and torque in the powertrain and electric current surge of the motor during start-up.
Motor control centers(MCC)
A motor control center (MCC) is an assembly to control some or all electric motors in a central location.