why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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what is function and advantage of double delta winding in induction generator?

1 Answers  

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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what is the formulae of calculating voltage drop?

2 Answers  

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how to check a transformer insulation?

3 Answers   Kirloskar, Kirloskar Chillers,

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what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

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what is the length of air terminal in lightening arrester system.

1 Answers  

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how we can to the synchronization in transformer. What are the conditions for that.

1 Answers  

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How I calculate the ELCB for circuit breakers?

0 Answers  

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What do you meant by slip power recovery?

1 Answers   PSEB,

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at which voltage level arcing ground is occurs ??????????

0 Answers   TATA,

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what is the difference between 5P20 class CT , PS Class CT and 5P10 class CT??

5 Answers  

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