difference between turns ratio and transformation ratio?

2 Answers  

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Why in Digital Megger for finding Insulation resistance,-ve is applied to core or conductor and +ve is applied to ground.

1 Answers   ACC,

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what is star delta starter? how it works? give its control and power diagram.

0 Answers   Bhel, Point to Point Solution, Star Wire,

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I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 Answers  

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how i chosse capacitor bank if my energy meter is 48 kvr? tell me capacitor bank chossen formula?

0 Answers   Bhel,

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what will hapen if secodery circuit is open of current transformer

8 Answers   KPTCL,

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what is the significance of per unit impedance ?

7 Answers   HP,

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Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

2 Answers   Voltas,

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For example, if I use Star delta transformer for distribution, Can I Connect 230 V lighting load bewteen secondary phase & primary neutarl. What will be the effect, if I connect in this manner?

2 Answers  

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What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

0 Answers  

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What are the advantages & disadvantages of a group electrive drive?

0 Answers  

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if a motor is running at 1500rpm then how you can find its HP

1 Answers   Construction,

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