Cooper Power Systems has designed its full-featured differential relay, the iXP-420, to provide comprehensive two-winding transformer protection, and monitoring and control. The iXP-420 incorporates ...

Schweitzer Engineering Laboratories, Inc. has announced three new additions to the popular SEL-787 family of differential protection relays, providing low-cost, versatile transformer differential ...

In this paper, the authors present the analysis of digital differential protection for three phase power transformers. Power transformer is the key element in electrical power system. Proper ...

Phase-shifting transformers play an important role to control the power flow within our modern networks that include more and more renewable energy sources. The most important protection principle for ...

Transformer secondary conductor protection for voltage levels less than 1,000V is adequately covered in Art. 240 of the National Electrical Code (NEC) – more specifically, Sec. 240.21(C)(4). There are ...

THE Clark Development Corp. (CDC) awarded a P 6.93-million contract to Philcantech Enterprises to replace defective transformer differential protection relays at the Clark 230kV Dolores Substation.