Answer / amal kumar

Y-d or D-y is the most commonly used transformers.
Y-d provide a stable neutral system.

what is power factor ?

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how works inductive &capacitive sensors?

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one cable insulation resistance 200 mega ohm. how find 250 meter cable resistance.

2 Answers   NTPC,

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how to calculate energy of 3-phase motor?

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generally in LT and MV motors we are using 3.5Coresx16,25,35,50 etc cable for supply.although motors is earthed at two point and having all protection.then why we are using that 1/2 core for earthing the motors.while in HT cable we are using only 3core cable for motor supply.generally lt and mv motors are delta connected and ht motors having star connection.whethere it is having any relation with winding connection( star or delta).all motors i am talking about are dol only.can anybody solve my confusion.thanks...

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Parts of machine and their discription in details with suitable photo

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what is dedicated earthing

2 Answers   Apollo Power, Student,

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What is meant by harmonic distortion?

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Is the theorem applicable to ac sources?

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