what is the use of earthing ?

8 Answers   Electrical Tech,

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How to select power cable for machine

4 Answers  

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How grounding is different than earthings?

0 Answers  

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In a 11Kv/433Volt Delt-star step down transformer one one line(Line-B) of HT site is open & earthed on DP structur. What will be the voltage on LT side R-Y, Y-B,B-R and R-N, Y- N & B-N?. Please help to understand the problem with examples. Arvind , Jaipur.

1 Answers  

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why VCB are not used in 132KV system(above 33KV system)

6 Answers   Al Ahleia,

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howmany types of compresor is there? and how to calculate compresor capacity?

3 Answers  

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

0 Answers   HCL, TCS,

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

0 Answers  

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

0 Answers  

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what happens when back charging of transformer is done for longer period

1 Answers  

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what is the method to measure the transformer current carrieng capacity in three phase.

1 Answers  

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what is the use of CurrentTransformer in AVR ?

2 Answers  

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