Depend on your system criteria. You should check capacitor switching capability, size, harmonics, loss saving, reactive reserve (PV-QV curve), delta V (for switching capability), expandable rack size for the future expansion... Depend on what type of capacitors and what your purpose of using...
Sorry for not being clear here. Let see if I can explain to you my question.
When I run contingency analysis, if there is an overload on a breaker in a ring bus or breaker and half station, the real rating of a breaker in a ring bus station should be almost double of its thermal rating I...
