How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

1 Answers  

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What is the diffrence between PS & metering CT (5p20,0.5 etc.)? Why in PS class CT only Vk is given ? Is PS class CT is more accurate than metering CT?

1 Answers  

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

0 Answers  

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when voltage increases current decreases & vice versa why it is so?

3 Answers  

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How will calculate the current rating (withstanding capacity)of alumunium and copper cables?

1 Answers  

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how many transformer

8 Answers   Dalmia Group, TATA,

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could mail me the question papers for the test.

1 Answers   ONGC,

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Why the transformers making noise?

2 Answers   L&T,

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What is the difference between AC and DC injection methods for rotor earth fault protection

0 Answers   Asian Alliance Insurance, NBVL,

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION?

5 Answers   L&T,

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why ht line fuse wire is so thin

7 Answers   DLF,

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In a three-phase full converter, every SCR conducts for a.60deg. b. 120deg. C.180deg. d.90deg

3 Answers  

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