Losses in the transformer

 Losses in the transformer 

Main losses in the transformer 

1) copper loss or ohmic losses

2) iron or core loss 

a)  hysteresis loss

b)  eddy current loss

3) stray loss

4) Dielectric loss, etc 

1) Iron or core loss - transformer ka core soft iron ka bna hota hai, isliye core me hi kuchh loss ho jata hai, there are two type of core loss-

a) eddy current loss - transformer ke core me thori se bhi jagah khali ho, tb usme ek extra current produce hone lagta hai, jo reverse direction me flow hota hai, or real current ka appose kerta hai, jisse transformer ki efficiency less ho jati hai, isse bachne ke liye core per varnish ka pest lgate hai jisse ki khali jagah na rhe,or loss na ho fir bhi thra loss ho jata hai. 

Hysteresis loss - Ek ferromagnetic me jb current supply kerte hai ,tb usme magnet ki properties create ho jati hai, transformer sin wave per work kerta hai, jb sin wave +ve hoga tb magnet on hoga or jb -ve hoga tb magnet off hoga, mtlab ek bar electron right side move karta hai or ek bar left side move hota hai ,jb ye electron left right karte hai tb inke bichh me ek heat produce hota hai jise hysteresis loss kahte hai, is loss ko km karne ke liye hm esse magnetic field ke change hone per jyada effect na ho or jyada heat na produce ho isliye hmm soft iron ki jagah silicon steel core ka use karte hai, 

Copper loss or ohmic losses - jaisa ki aap jante hai ki ohms low resistance se related hai, kisi bhi metal ke ander current ko appose karne ki properties hoti hai, wo curremt ko rokne ki kosis karega, waise silver sabse accha hota hai lekin wo bahut costly hota hai, isliye hmm copper wire ka hi use karte hai generally, jo loss copper wire me resistance ki wajah se hota usse copper loss or ohmic loss Kahte hai.

For example - ager kisi room ke sare switch off ker diye jaye, tb bhi electric bill atta hai. Quki room ka switch off hai but current room ke wire me a rhi hai to resistance current ka appose karega usme losses hoge isliye electric bill ayega.

3) Stray loss - transformer me magnetic flux create hota hai, flux me bhi kuchh loss ho jata hai , winding ke bichh me paper type ka insulation lgate hai, tb flux ke bichh me gap hone se jo lekage hota hai flux ka, usse hi stray loss kahte hai, ye heavy transformers me hota hai generally. 

4) Dielectric loss - transformer ke ander jo insulation ka use hota hai, jaise core per varnish,winding ke bichh me paper, etc insb se  jo current me kuch rukawat hota hai ,usse dielectric loss kahte hai. 


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