There are several uses, and I'd like to think that all of them are important. They generally have to do with equipment or life preservation.LRB said:You guys are missing one very important use of phase rotation device.
When dealing with separate sources you need more than just a phase rotations meter. For example if you have a system with one extra delta/wye transformer an you try to parallel it with another system you will be 30 degrees out of phase yet your rotation meter will show the same rotation.LRB said:You guys are missing one very important use of phase rotation device. That is tieing in with another source onto your buss. If you bring on another source, out of phase you will test your swithgear beyond it's design criteria.