GATE Power Systems: Principles of over-current, differential, directional and distance protection; Circuit breakers – Previous Year Questions
6 GATE previous year questions on Principles of over-current, differential, directional and distance protection; Circuit breakers (Power Systems, Electrical Engineering) with answers and explanations, from every paper.
- GATE 2019 EE Q62 – In a 132 kV system, the series inductance up to the point of circuit breaker location is 50 mH. The shunt capacitance at the circuit breaker terminal…
- GATE 2020 EE Q18 – A lossless transmission line with 0.2 pu reactance per phase uniformly distributed along the length of the line, connecting a generator bus to a load…
- GATE 2022 EE Q13 – The most commonly used relay, for the protection of an alternator against loss of excitation, is
- GATE 2023 EE Q20 – For the three-bus power system shown in the figure, the trip signals to the circuit breakers B 1 to B 9 are provided by overcurrent relays R 1 to R 9,…
- GATE 2026 EE Q39 – In the circuit shown, the phase currents are I A=572.812+j50.115 A I B=-254.525-j459.175 A I C=-207.083+j444.091 A Given that the CTs are ideal with…
- GATE 2026 EE Q40 – The operating characteristic of a reactance relay is given by X1\ , where X is the reactance calculated by the relay. Its operating characteristic in…