How are capacitor banks wired for a Main Tie Main installation?
Issue:
A customer has a Main Tie Main system and needs to know how the capacitor banks are wired to properly correct power factor for this type of setup.
Product Line:
Powerlogic PFC
Resolution:
Below is an example of how the CT's should be wired for a Main Tie Main installation. Each capacitor bank will need to have (2) CT's. One CT will be right after the main incoming breaker with X1 facing the main breaker. The second CT will be right before the tie breaker with X1 facing the tie breaker. The CT for the tie breaker is necessary so the capacitor bank can correctly monitor energy coming from the second main through the tie breaker when it is closed. It is very important to make sure the polarities of these CT's are correct for each capacitor bank or else the unit may not correct each side properly. The CT for the Main and CT for the Tie will have opposite polarity.
Released for: Schneider Electric Canada
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales inquiry online and en expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Center
Find support resources for all your needs, in one place.