Hello all,
I have some interesting info to share and I hope someone can help me figure it out. We have a new chiller plant that feeds 5 buildings for there A/C. The chillers are always on and can never be shut off because they have oil heaters inside of them.
When the Chillers are chilling water the PF is almost at unity (.99) but when the chillers are idle the PF is very low (.12) I'll post a document with all the information that I have. I am getting all my info from E-Mon. We do not pay a PF correction charge but we do pay a KVA demand charge, so the closer we can get KVA to KW obviously our PF will be closer to unity.
I have physical gone to the chillers and used my amp meter to check the load on one of the two chillers. I had 45 amps on one of the three parallel legs on A phase. So, 45*1.73*480 which is 75 KVA for both Chillers idle.
Can anyone help me figure out what is going on here:?
View attachment doc2.doc
View attachment doc3.doc
I have some interesting info to share and I hope someone can help me figure it out. We have a new chiller plant that feeds 5 buildings for there A/C. The chillers are always on and can never be shut off because they have oil heaters inside of them.
When the Chillers are chilling water the PF is almost at unity (.99) but when the chillers are idle the PF is very low (.12) I'll post a document with all the information that I have. I am getting all my info from E-Mon. We do not pay a PF correction charge but we do pay a KVA demand charge, so the closer we can get KVA to KW obviously our PF will be closer to unity.
I have physical gone to the chillers and used my amp meter to check the load on one of the two chillers. I had 45 amps on one of the three parallel legs on A phase. So, 45*1.73*480 which is 75 KVA for both Chillers idle.
Can anyone help me figure out what is going on here:?
View attachment doc2.doc
View attachment doc3.doc