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 ...

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 ...

Abstract: This paper introduces a new generator differential protection strategy using small vector method. When a generator is wrong, the temporary current contains multiple frequencies. Given the ...

Abstract: This paper focuses on short-circuit protection of dual-core phase-shifting transformers. The paper derives operating equations for differential protection of the series and excitation ...