90KW motor, 45KW motor, 37KW motor, 18. 5KW motor used to start

soft-start triangle will be able to sing the latter in light load conditions can be used to start Star Triangle.If the light load Of the stars can be used to start Triangle (small drawback is that starting torque)
If it is necessary to start using heavy-duty vacuum since even started, (the greatest advantages of starting torque is great, but once more the cost of investment Large) soft-start control on the pumps, fans converter on it ..start the process in different ways restricted