What are the requirements, recommendations or guidelines for the mimimum clear zone on the outside of substation perimeter fencing?
Is the clear zone for maintenance, security, ground grid protection, or other?
Where can I find these requirements or recommendations? Looked in NESC, IEEE...
It has been suggested by some of my colleagues that IEEE 1584 equations can be used to calculate the incident energy resulting from a faulted MV cable in a manhole. Am I correct in my understanding that the equations in IEEE 1584 are only applicable to a fault between conductors having an air...
We have a complex underground medium and high voltage distribution system to distribute power to more than 200 facilities at our center. 6.9 kV and 22 kV cables are routed via ducts and manholes to intermediate distribution switchgear and then on to unit substations at each facility. It has...