Answer / vinothkumar

In single phase,when the phase current is not coming through
neutral that time only it will act.

Answer / k.prakashchandra

It is RCCB

How do you commission a power Transformer?

1 Answers   EEI,

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iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .

1 Answers  

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Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?

2 Answers  

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What is the Harmonics??????????

5 Answers  

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In what way does the variable ratio-arm improve the usefulness of the wheatstone bridge?

1 Answers  

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i have installed my solar site of 6.7kw and is working perfectly , can somebody tell me that how can i measure my solar irradiation kw/day/sq m ?

3 Answers  

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In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

0 Answers  

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What is the meager?

6 Answers   ABB,

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3Cx240 & 3Cx300 sqmm Al. cable from lv side. What is the calculation for this cable??

0 Answers  

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how do you test tachos and servos

0 Answers  

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Based on what the rating of machines are provided??(ANswer should in single word)

19 Answers   Asian Paints, Bhel,

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how do we connect mcb in our home?and how does it work?

3 Answers   IOCL,

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