SOFT STARTER TECHNOLOGY IN THE AGE OF INDUSTRY 4.0

摘要

Soft starter consists of a number of anti-parallel thyristors- 2 per phase. On applying voltage across these thyristor banks and varying the firing angle the voltage at the output can be reduced. This reduced voltage is applied to the motor terminals to achieve a lower starting current and thereby lower starting torque. The firing angle is gradually changed to increase the output voltage to full voltage thereby also gradually increasing the starting current as well as the starting torque without any peaks. Soft starters can generally be used for applications in the low to high power range (1.1 kW to 1200 kW). The modern design and state-of-the-art technology have made the new age soft starters - Stronger, Smarter, Superior, Safe and Efficient.