why we use crushed stone in switch yard?

3 Answers  

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instead of neutral can we use earth/ground to flow the current in the circuit

2 Answers   Infosys,

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What is the difference between KV,KVAR,KVA,KW?

6 Answers   L&T, PowerHouse, YUI,

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for hipot test on 33kV busbar, we will test on 70 kV or 56kV, what is the acceptable leackage current?

0 Answers  

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what is the difference between high impedance & low impedance

1 Answers   L&T,

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What is the method for testing the differential protection stabilty in generator? When the time of starting What will happen if differentail protection connection wrong means?

0 Answers   JSW,

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what is the diffrantial relay???????why we use it on the MDB

5 Answers  

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In Swinburne's Test on D.C.machines, why the efficiency is more when the machine runs as generator than when it runs as motor???

6 Answers   College School Exams Tests, GE, MVR, Practical Viva Questions,

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What is auto transformer?

7 Answers   L&T,

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In Star type and Delta type Motors, If one phase will miss/Break then which phase winding will burn and why?

4 Answers  

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1.4 What is meant by CT knee point voltage and how would you determine it

0 Answers  

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What are the two segments of nyquist contour.

0 Answers  

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