Selective complex single-phase earth fault protection for distribution medium-voltage networks
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Date
2015-01-14
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Abstract
This article deals with selective protection against
single-phase earth faults at 6 – 10 kV electrical networks.
Different kinds of earth faults, factors influencing the
implementation of protection, various principles of
protection implementation, are described. Requirements
and structure of complex protection applicable to
networks with any neutral grounding mode and providing
separation of various kinds of earth faults are given in this
text.
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Keywords
6 – 10 kV distribution electrical cable networks, selective earth faults protection, single-phase earth faults, neutral grounding mode