Silcovert S Series

Nidec ASI SilcovertS  series medium voltage drive:
Inverter for synchronous machines
Hundreds of installations and more than 30 years of field-proven experience demonstrate the Silcovert S Variable Frequency Drive’s reliability and high performance.


The S series is a load-commutated current source inverter (LCI) for synchronous motors and provides speed regularity, monitoring and braking torque regulation, V/Hz low shaping. It has a rugged, compact design, is highly efficient and reliable and can be used as a Variable Frequency Drive and also as a softstarter.


Power range: up to 65 MW


Air cooling: up to 4500 V

Water cooling: up to 10000 V

Output Frequency: 5 – 95 Hz

Silcovert S Series