WSEAS Transactions on Circuits and Systems
REI equivalent design for electric power systems with genetic algorithms
WSEAS Transactions on Circuits and Systems
A case study of an analogical distance relay for the 110kV electric power lines
WSEAS TRANSACTIONS on SYSTEMS
An analogical distance relay for the 110kV electric lines
ICS'10 Proceedings of the 14th WSEAS international conference on Systems: part of the 14th WSEAS CSCC multiconference - Volume I
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In this article are presented the basic principles of the numerical protections used for protecting the high-voltage electric lines (110 kV). Is achieved a study for implementing a numerical distance protection DIPA 100, for a high-voltage line (an example from practice). For the numerical relay, is shown the protection characteristic of DIPA 100, characteristics of operation to faults 'phase-phase' and characteristics of operation to faults 'phase-ground'. By using of numerical protections for the high-voltage electric lines, is ensured an easy implementation in practice and a protection qualitatively superior compared with the classic protections.