Answer / naresh

In maximum cases it is 5, because generally measuring
instruments are designed of this range and another use of
this current is to operate the protective relay.

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

0 Answers   HAL,

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What is the meaning of loop in transformer

0 Answers   AST,

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How to decide the input and output circuit breaker for a 1600kva transformer.Is there any calculation is involved.

5 Answers  

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what is the function of buchhos rely in transformer

5 Answers  

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what is the safty of poly phase tranformer?

0 Answers   Adani,

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when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?

1 Answers  

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

2 Answers   EID Parry,

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how to decide the ratings of the busbar in electrification.give me the proper thumb rule or procedure

1 Answers   ABB,

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How to run a three phase motor into single phase........

0 Answers   Oil India,

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What is hysteresis loss?

1 Answers   PWD, SPML,

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50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

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At present how many HVDC lines are there in india

18 Answers   HAL, Infosys, KSEB, Kuntham,

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