First of all, thank you all for the terific responses here...I have carefully read and re-read each response. I am new to this type of forum, so forgive me if I am not following expected protocal here.
In my orginal plea for help, I failed to mention that the voltage here is 440V...I also...
I am an electrical contractor and need some help.
We have installed ABB drives on board a ship in three different types of applications, centrifugal pumps, centrifugal fans and vane axial fans. Previously, these loads had two speed starters, would first start in low speed for about 5-8 seconds...
