Just a note to help any confusion.
The two motors were each driven by its own inverterdrive.
The motors were delivered pre wired and set up by a major manufacturer and commissioned by them. Unfortunately the commissioning engineer failed to notice the motors had been wired in star.After 1 year...
Hi
I have had 2 11 kw 2 pole pumps burn out at the same time.
Both had a converter starters and were found to be connected in star.I have wired the replacements in delta and run no problem.
The motors were 400 v delta 660-690 star.
The manufacturer is insisting that the connection in star would...