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VIDEO solution: Question 16 (6 marks)
A simple system with circuit breaker-relay locations is shown in Figure 2.
Determine which breaker(s) act as primary and which act as secondary protection for the fault (x) in Line 1-3 (6 marks).
Bus 1
Bus 2
T2
Line
Figure 2 from Field evaluation of automatic restart of essential motors using microprocessor-based protective relays | Semantic Scholar
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