Answer / balu

D rep delta in primary side
Y represent star in secondry side
N7 rep phase angle that means current is in 7 o clock position with voltage

What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

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why transformer ratings are taken in 11kv 22kv 33kv but not in 10,20,30kv

5 Answers   ushacomm,

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what the good value of earth resistance test

3 Answers  

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Iam deepthi.i completed my b.tech from electrical engineering.i want to prepare for civil services.i dont have much knowledge about these exams,but i have great zeal of cracking exams.plz provide me suggestions to which options i can select for optionals

7 Answers  

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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shall we use a machine having 60Hz frequency in india ? why?

4 Answers  

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AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 Answers  

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What is the different type of class in CTS and why it is required

2 Answers  

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how much load 15kva dg set can bear.with full explination and how to calculate?

2 Answers  

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why does spark appears when we swith on the light

1 Answers  

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wat is power factor

7 Answers   IOCL,

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what is the purpose of using battery in dg sets, please specify in details.

2 Answers   Balco,

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