Trending electro mécanique Discussions

What is the main difference between a single phase transformer and a three phases one ?‎

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What do you know about a perfect transformer ?‎

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A voltage transformer transforms the frequecy of the power grid ? True or false ? Explain‎

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In the power electronic field , what are an IGBT & a MOSFET ?‎

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A DC motor starts to over speeding, can you find out the why ?‎

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What do you know about the full -controlled rectifiers ?‎

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Quel est le rôle de l’ingénieur dans l'entreprise industriel et leur attaches?‎

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Rectifiers and inverters how they are different ?‎

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Answer added by  Adnan Yasin, Asst.Electrical Engineer, standard engineering pvt ltd
9 years ago

False. Because Transformer transform same frequency  as power gird supplied

 

Answer added by  Deleted user
9 years ago

The armature resistance is very low.At the starting of a DC motor since there is no back EMF in the armature,the entire terminal voltage acts across the armature. Hence,t ... See More