GATE Power Systems: System stability concepts, Equal area criterion – Previous Year Questions
9 GATE previous year questions on System stability concepts, Equal area criterion (Power Systems, Electrical Engineering) with answers and explanations, from every paper.
- GATE 2017 EE Q65 – The figure shows the single line diagram of a power system with a double circuit transmission line. The expression for electrical power is 1.5, where…
- GATE 2015 EE Q53 – A 50 Hz generating unit has H-constant of 2 MJ/MVA. The machine is initially operating in steady state at synchronous speed, and producing 1 pu of…
- GATE 2018 EE Q40 – The per-unit power output of a salient-pole generator which is connected to an infinite bus, is given by the expression, P=1.4+0.152, where is the…
- GATE 2019 EE Q61 – In the single machine infinite bus system shown below, the generator is delivering the real power of 0.8 pu at 0.8 power factor lagging to the…
- GATE 2020 EE Q59 – A cylindrical rotor generator has steady state synchronous reactance of 0.7 pu and subtransient reactance of 0.2 pu. It is operating at (1+j0) pu…
- GATE 2021 EE Q29 – An alternator with internal voltage of 1 1 p.u and synchronous reactance of 0.4 p.u is connected through a transmission line of reactance 0.1 p.u to a…
- GATE 2022 EE Q57 – A 20 MVA, 11.2 kV, 4-pole, 50 Hz alternator has an inertia constant of 15 MJ/MVA. If the input and output powers of the alternator are 15 MW and 10…
- GATE 2024 EE Q56 – The single line diagram of a lossless system is shown in the figure. The system is operating in steady-state at a stable equilibrium point with the…
- GATE 2025 EE Q49 – In the system shown below, the generator was initially supplying power to the grid. A temporary LLLG bolted fault occurs at F very close to circuit…