GATE EE · 2023 · EE
Question 20: Power Systems
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Question 20
EEMCQ1 markNeeds review
For the three-bus power system shown in the figure, the trip signals to the circuit breakers B₁ to B₉ are provided by overcurrent relays R₁ to R₉, respectively, some of which have directional properties also. The necessary condition for the system to be protected for short circuit fault at any part of the system between bus 1 and the R-L loads with isolation of minimum portion of the network using minimum number of directional relays is

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2023EE
GATE EE 2023 · Paper 1
Electrical Engineering · Original paper archive
- Section
- Electrical Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 1 mark
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