A single-phase voltage-source-square wave inverter feeds pure inductive load. The waveforms of the load current will be:

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ISRO (VSSC) Technical Assistant Electrical 2016 Official Paper
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  1. Sinusoidal
  2. Rectangular
  3. Trapezoidal
  4. Triangular

Answer (Detailed Solution Below)

Option 4 : Triangular
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Detailed Solution

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The output of the single-phase voltage-source-square wave inverter, i.e. a square wave is fed to the inductive load.

The current in the inductor is given by  therefore when square voltage is

input the inductor current will be triangular.

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