230 volt grounded B phase
230 volt grounded B phase
(OP)
I am serving as an HVAC application engineer and have been posed a question regarding a 230 volt grounded B-phase. What does this mean?
THanks
THanks
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
Download nowINTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS Come Join Us!Are you an
Engineering professional? Join Eng-Tips Forums!
*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail. Posting GuidelinesJobs |
230 volt grounded B phase
|
RE: 230 volt grounded B phase
What are you trying to determine?
RE: 230 volt grounded B phase
I am trying to determine whether a 208 / 230 volt HVAC system will operate ok with a grounded B-phase.
Thanks
RE: 230 volt grounded B phase
RE: 230 volt grounded B phase
RE: 230 volt grounded B phase
respectfully
RE: 230 volt grounded B phase
Do you have a three-phase transformer, three single phase transformers, or two single phase transformers serving this system?
RE: 230 volt grounded B phase
RE: 230 volt grounded B phase
AKBUGG was my interpretation incorrect? Is this on a building service?
RE: 230 volt grounded B phase
A "wild" B phase is more common than a grounded B phase although both exist.
With a wild leg system, phase A and phase C will measure 120 volts to ground, (One transformer center tap is grounded.), B phase will be 208 volts to ground.
Both systems may be either open or closed delta, but the wild leg system is often used on open delta.
There are issues with peak reverse voltages across the internal components of drives, that hopefully some of the drive gurus will address.
respectfully
RE: 230 volt grounded B phase