Update,
I figured out that I was seeing minimum,average and Max when trying to interpet the readings. Which means that the transition from Wye to Delta run had higher current than the starting current. The customer has decided to install fuses as the compressor manufacturer has suggested. And...
Hello,
Sorry for the feedback delay and thank you for the interest. We did a Power log on the system. With no real answers coming from it. Since reading the information and using the fluke 1735 is new to me. The information created more questions than answers. When reviewing the spreadsheet...
We are putting a power logger on the system to see if there is anything going on that we can't see.
Walden indicated that he had the problem on one of the three 150KW units and changed to a different breaker manufacturer which fixed that unit. Was there any reason that one breaker design of the...
This is a open transition Wye-Delta on brand new compressors, brand new breakers.The wye time is adjustable with a minimum of 10 sec and a max of 30. Adjusting the Wye time between the min and max did not make a difference. The units come up to full speed before transition and the loading of...
I have a situation where a 200 amp Cutler Hammer HJD breaker is tripping when the 75 HP Air Compressor is being started and it transitions from Wye to Delta. The Breaker trips instantly when Delta contact closes. I am aware of the Wye Delta transition inrush. But this is an application where the...
