Answer / renjith nk

for elcb the margine value is 2% of system voltage.
for rccb the margine value of current is 10mA.

Answer / george

depending up on load current

what its mean 'inverter based technology' ? if we talk about refrigerators, splits ACs etc how it helps to produce & keep more coolness and chilled atmosphere ?

1 Answers  

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why we use bare wire in high tension power instead of using insulated wire?

2 Answers  

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how can motor both beasrings insulation resistance can be check?

0 Answers   GE,

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How we calculate the average power factor if the one phase is lag and another one is in lead?

1 Answers   DigiTech, MCR,

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give me the details of anti pumping relay

2 Answers  

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Why are calling leading power factor is a capacitive load?

1 Answers  

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Is it possible to measure correct value of earth resistance & cable insulation ristance with out disconncting earth lead & both sides of cable ends? If not, any other method to measure ER & CIR with out disconneting from the system.

0 Answers   HAL,

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why in transformer there is not rotating fiddl/ magnetic field like motor

4 Answers  

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Can anybody tell me what the breakdown voltage is for air and what it is for transformer oil please?

4 Answers   Pooja Cables,

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How to maintain ac plant?

0 Answers   HCL,

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DIFFERENCE BETWEEN TRANSFORMER AND CURRENT TRANSFORMER?

7 Answers  

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why earth hole size is biggest in plug point?

13 Answers   RRB,

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