rajendrad
Member
Hi DickDV & All,
First of all sorry as I couldn't able to give you the details of motors in time as you asked.I was out for commissioning and could not got all these details from plant engineer.I had got chance to visit the plant again and I was able to collect the details of the same.The configuration now has been changed, instead of 48 motors on one drive, they had used two drives and then also They had one more failure on the drives..............The incoming voltage to AC drives measured was 455V however drive is rated of 415V.....
I am giving brief description of the problem for those who might not aware about this.
ABB AC drives are used for roller table application in wire & rod mill ( steel rolling application).These drives were running since last four years. They had five failures in recent two years.Everything including cable, motors, distrubution board has been checked and found no any problem but still drive is failing.
I feel that some body might be playing with parameters.
I had attached herewith Motor, drive details and parameter list for referance. This is a big challange infront me and need your help..
I am sure that we are going to win........................
- Rajendra.
First of all sorry as I couldn't able to give you the details of motors in time as you asked.I was out for commissioning and could not got all these details from plant engineer.I had got chance to visit the plant again and I was able to collect the details of the same.The configuration now has been changed, instead of 48 motors on one drive, they had used two drives and then also They had one more failure on the drives..............The incoming voltage to AC drives measured was 455V however drive is rated of 415V.....
I am giving brief description of the problem for those who might not aware about this.
ABB AC drives are used for roller table application in wire & rod mill ( steel rolling application).These drives were running since last four years. They had five failures in recent two years.Everything including cable, motors, distrubution board has been checked and found no any problem but still drive is failing.
I feel that some body might be playing with parameters.
I had attached herewith Motor, drive details and parameter list for referance. This is a big challange infront me and need your help..
I am sure that we are going to win........................
- Rajendra.