Physics · Electrical Machines and Insulation Resistance
As per standard Indian grid guidelines, what should be the minimum insulation resistance of the LV side of a 1600 kVA, 20 kV/400 V three-phase transformer at 30ºC?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 129.7 MΩ✓
- 2375 MΩ
- 3189.39 MΩ
- 415 MΩ
Correct answer
29.7 MΩ
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