About carlogavazzi Soft Starters india
carlogavazzi soft starter are used in New efficiency requirements for a.c induction motors (EU MEPS) EU regulation EC 640/2009 related to minimum efficiency requirements for low voltage motors is being phased out and replaced by the EU 2019/1781. The new regulation extends the requirement for motors with rated output power from 0.75 kW to 1000 kW to reach the higher efficiency class IE 3. As of July 2023, motors with rated power of >75 kW and <200 kW must even reach a the higher efficiency class of IE4.
high efficiency motors are designed to reduce losses during
motor operation by reducing rotor resistance. As a consequence
there is a considerable increase in the locked rotor current.
Whereas starting an IE2 motor via direct on line (DOL) results
in a starting current of about 6 times the motor rated current,
with IE3 motors starting current can be as high as 10 times.
Such levels of starting current may cause increased machine
stoppages due to tripping of protection circuits, oversizing of
cables and fuses as well as disturbance on the voltage network
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