What are the limitations of self-powered relays?
We are pushing a vendor of our 34.5kV switchgears to provide 3A pick-up on ground faults with a self-powered relay. The vendor says that he doesn't believe one exists. If that is true, what is the reason?
I'm new to the company and I'm not...
I recently worked on a job with a 4kV circuit that had two A-phase loops. Most often these loops have an open point at one end or the other and I understand the benefit being the flexibility in that the load can be fed from either end. In this particular case, however, each of the loops were...
