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

Transformer ka insulation resistance test || IR Value test मेगर का प्रयोग कैसे करें #Thakresirclasses
Transformer ka megger
test insulation Kaise test Karen
Transformer ka insulation test karne ke liye, aap insulation resistance test ka istemal kar sakte hain. Is test ko IR test ya Megger test bhi kaha jata hai. Is test se transformer ki insulation ki quality aur condition ka pata chalta hai.
Insulation resistance test karne ke liye, aapko ek insulation resistance tester, jise Megger bhi kaha jata hai, ki jarurat hogi. Yeh device high voltage generate karke insulation resistance ko measure karta hai. Neeche diye gaye steps follow karke insulation test kar sakte hain:
Transformer ko power se disconnect kare aur saari safety precautions, jaise ki personal protective equipment (PPE) pehne. Transformer ke around safety barriers ya fencing bhi lagaye.
Transformer ke terminals aur grounding point ko clean aur dry kare. Agar terminals par carbon build-up hai to use remove karle.
Insulation resistance tester (Megger) ko verify kare ki woh proper working condition mein hai. Saath hi, tester ko transformer ke rated voltage ke hisab se set kare.
Megger ki positive lead ko transformer ke winding ke ek terminal se connect kare aur negative lead ko grounding point se connect kare.
Insulation resistance test button press karke test ko start kare. Megger device high voltage generate karega aur insulation resistance ko measure karega.
Test ka time duration generally 1 minute hota hai, lekin isko transformer ke size aur rating ke hisab se bhi vary kiya ja sakta hai.
Test complete hone ke baad, Megger device insulation resistance value display karega. Yeh value transformer ke insulation ki condition ko indicate karegi. Generally, higher insulation resistance values indicate better insulation condition.
Test complete hone ke baad, terminals aur grounding point se Megger leads disconnect kare.
Insulation resistance test ke results ko analyze karne ke liye, transformer ke manufacturer ke recommended insulation resistance values se compare kare. Agar measured insulation resistance values un values se kam hai, to transformer ki insulation mein problem ho sakti hai. Is case mein, transformer ko further detailed inspection ke liye qualified professional se check karwana chahiye.
Important Note: Transformer insulation resistance test high voltage involve karti hai, jo ki danger create kar sakti hai. Is test ko trained professionals hi perform kare aur saath hi safety guidelines aur local electrical codes ko follow kare.
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