2. Multiphase fault protection
2.1 Field of application
The principles for calculating polyphase fault currents are identical for all radial networks. However, the chronometric selectivity rules set out in this paragraph are only valid for networks equipped with constant-time overcurrent protection, as is the case in Europe.
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Multiphase fault protection
Nature of ground faults, neutral systems and protection
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Bibliography
- (1) - WILLHEM (R.), WATERS (M.) - Neutral grounding in high voltage transmission. - Elsevier publishing company.
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