For utilities, proper protection against high voltage transient overvoltages and overloads is critical to ensure maximum life of their power transformers. Failure to do so can result in significant ...

Note: All Code references are based on the 2014 NEC. The NEC has separate sections for transformer feeder protection and transformer protection. Article 240 lists requirements for transformer feeder ...

GE’s Digital Energy business has launched its Multilin 845 Transformer Protection System, part of the Multilin 8-Series platform of protective relay devices, which includes the 850 Feeder Protection ...

The latest version of RelaySimTest (V3.20) enables users to extend the benefits of system-based testing to transformer protection 1. Instead of adopting the usual approach of simply testing the ...

Gert Nel, WearCheck’s transformer division manager, outlines the importance of DGA in transformer maintenance: “Dissolved gas analysis (DGA) is used mostly for fault detection in transformers, and it ...

Transformers are very reliable devices and can provide service for a long time if regularly maintained and serviced. They’re also the single most costly item in any substation. To protect against ...

When conducting transformer maintenance, early detection of faults and potential failures in transformers is critical. Transformers play a crucial role in transferring electricity over long distances, ...