The GATE Grind

GATE Power Systems: Series and shunt compensation, Electric field distribution and insulators, Distribution systems – Previous Year Questions

5 GATE previous year questions on Series and shunt compensation, Electric field distribution and insulators, Distribution systems (Power Systems, Electrical Engineering) with answers and explanations, from every paper.

  1. GATE 2019 EE Q59 (2 marks, Numerical answer) – A three-phase 50 Hz, 400 kV transmission line is 300 km long. The line inductance is 1 mH/km per phase, and the capacitance is 0.01 F/km per phase.…
  2. GATE 2020 EE Q57 (2 marks, Numerical answer) – Bus 1 with voltage magnitude V 1=1.1 pu is sending reactive power Q 12 towards bus 2 with voltage magnitude V 2=1 pu through a lossless transmission…
  3. GATE 2021 EE Q44 (2 marks, Multiple choice) – In the figure shown, self-impedances of the two transmission lines are 1.5j p.u each, and Z m=0.5j p.u is the mutual impedance. Bus voltages shown in…
  4. GATE 2024 EE Q19 (1 mark, Multiple choice) – The figure shows the single line diagram of a 4-bus power network. Branches b 1, b 2, b 3, and b 4 have impedances 4z, z, 2z, and 4z per-unit (pu),…
  5. GATE 2025 EE Q32 (1 mark, Numerical answer) – Consider a distribution feeder, with R/X ratio of 5. At the receiving end, a 350 kVA load is connected. The maximum voltage drop will occur from the…