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For the long shunt compound generator shown in the figure, the ratio  is :

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MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
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  1. always less than 1
  2. always equal to 1
  3. always greater than 1 
  4. always equal to 0

Answer (Detailed Solution Below)

Option 1 : always less than 1
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Detailed Solution

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Concept

where, Ia = Armature current

Ish = Shunt winding current

IL = Load current

Calculation

Since the armature current (Ia) is the sum of Ish and IL. 

∴  Ia > IL ⇒ 

So, the ratio of  will always less than 1.

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