2. Operating faults
2.1 Origin of defects (internal, external)
We will distinguish two types of faults to be detected by protection relays, according to their origin:
faults of internal origin, the source of which is damage to a component of the rotating electrical machine;
faults of external origin, the source of which is located outside the electrical machine, but the consequences of which may cause damage to the machine itself.
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Operating faults
Alternator protection
References
General texts
- (1) - CIGRE WG 01 DU CE 34 - Harmonisation of protection policies for power stations and generators and protection policies for HV networks (Harmonisation des politiques de protection pour les centrales et les alternateurs et des politiques de protection des réseaux HT). - 44 p. 2 tabl. 2 fig. (1983).
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