The GATE Grind

GATE Electrical Machines: Auto-transformer, Electromechanical energy conversion principles – Previous Year Questions

3 GATE previous year questions on Auto-transformer, Electromechanical energy conversion principles (Electrical Machines, Electrical Engineering) with answers and explanations, from every paper.

  1. GATE 2015 EE Q60 (2 marks, Numerical answer) – A 200/400 V, 50 Hz, two-winding transformer is rated at 20 kVA. Its windings are connected as an auto-transformer of rating 200/600 V. A resistive…
  2. GATE 2016 EE Q59 (2 marks, Multiple choice) – A single-phase, 22 kVA, 2200 V/ 220 V, 50 Hz, distribution transformer is to be connected as an auto-transformer to get an output voltage of 2420 V.…
  3. GATE 2026 EE Q17 (1 mark, Multiple choice) – A 15 kVA, 1100 V/220 V, single-phase two-winding transformer is configured as a 1.32 kV/1.1 kV autotransformer. What will be the rating of the…