Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...

Transformer Protector Corp.’s (Booth 3823) product, the TRANSFORMER PROTECTOR (TP), can prevent explosions in all oil-filled transformers from 0.1 MVA to over 1000 MVA. During a transformer short ...

Remote substations can be a challenge — and the utility responsible for providing electricity to Namibia and much of South Africa had several new remote substations that needed transformer protection.

Digi-Key, in collaboration with Ametherm, presents a PTM describing transformer protection from inrush current using the NTC thermistor. This will provide a problem statement describing the inrush ...

Art. 450 begins with the short and to-the-point statement, “This article covers the installation of all transformers,” and then lists eight exceptions. In essence, Art. 450 covers power transformers, ...

Differential protection is best understood as a fault control philosophy rather than a component category. The relay itself is secondary to the scheme it enforces. Once a zone is defined, the system ...