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Transformer Ka Insulation Resistance kaise Check kare? Transformer का Megger तथा Multimeter से Test

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भारत हेवी इलेक्ट्रिकल लिमिटेड कंपनी के वैक्यूम सर्किट ब्रेकर को सही किया गया ये देखिए #electrical #

What are IR Test and PI Test || Motor & Transformer Testing

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Transformer ka insulation resistance test || IR Value मेगर का प्रयोग कैसे करें ! #Thakresirclasses

Tan Delta Testing of Transformer with the help of Megger 4041