Download or read book Advanced Numerical Distance Protection for EHV Lines written by and published by . This book was released on 1994 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes the numerical distance protection relay, an advanced hardware and software concept that incorporates multiple ANSI device functions that have a benefit in both technical and economic aspects. It describes the hardware function and the software concept; the features of the introduced distance protection; the scope of function of the relay; and an example for a redundant protection scheme for a parallel line.