UK-based electricity distributor SP Energy Networks has technology that can measure in real-time the short circuit capacity (Fault Level) of the network, by using two prototype monitors. The prototype ...

Compliance with NEC 110.10 is critical for safety. We all want safe designs, but the engineer responsible for a UPS installation may not always understand how to accommodate the UL listing unique to ...

Reviewing a typical protective device trip curve (click here to see Fig. 2), it can be divided into three regions. First is the “instantaneous region,” which is the region intended to interrupt ...

Wildlife faults often produce electrical signatures similar to direct conductor contact, making diagnosis challenging without detailed analysis. Oscillography and fault modeling help field personnel ...