situation is as following :
I have one generator wich supports all the plant loads 24 hours.
one of the loads is a concrete mixer which is driven using 2 motors ,37KW each.
These 2 motors are started using one star delta circuit(3 contactors) and it is made by the manufacturer.
the plant is...
I alwasys have wondered, what would happen if I modified the star delta circuit of a 75 KW motor to a direct on line circuit ?
Is there any risk on the motor winding??
I have a problem on site , which is lasting for 4 days untill now and I did not figure out the cause or the problem .
the Situation is I had a short circuit and the main fuse broke down .
I checked Visual inspection for the contactor , overload , motor winding , cable and connections and i did...
