Answer / prajeesh

In a star connected 4 wired system the neutral must be grounded to neutralize the unbalaced current in that circuit. If the load is balanced the star point must be work as neutral.

Answer / ajayiet

it do not matter in case of
balanced supply but in
unbalanced supply it is of
great significance

what is mind in cable

0 Answers   BARC,

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what is different the DOL Starter and Star Delta STARTER

12 Answers   Schwing Stetter,

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I try to check the three phase voltage in multimeter, in 125A isolator switch incommer. first i touch R phase, and then i touch Y phase using multimeter, the moment i touched, it blasts and that moment i got blindness. multimeter selector position is correct(750V AC MODE AND RED PROBE WASS IN v AND BLACK PROBE WASS IN COM. MODE. COULD ANYBODY GIVE ANSWER FOR THIS TO AVOID FURTHER ACCIDENTS PLEASE?

2 Answers  

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1.Whats the use of GNAC(Generator Neutral Accessory Compartment) 2. why generator or any other system require Neutral Grounding and not Phase grounding 3. what happens if any one of the phase is grounded. 4. if 15kv is grounded directly what will happen, why it should not be grounded like that 5. use of of NGTR(Neutral Grounding Transformer and Resistor) for grounding is helpfull and how

5 Answers   BEMCO, CSS, Powergear,

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What is transposition in a transmision line?

2 Answers  

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Why we called L-G fault as line to ground fault why ground? suppose if a line falls on building roof then can we called these fault as line to roof fault? please explain why ground term is used here?

3 Answers   Bhel,

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why did lightening arrester rod probe sharp?

2 Answers  

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IN CONTROL SYSTEMS Y WE NEED TO KNOW THE STABILITY OF THE SYSTEM?WHAT IS ITS PRACTICAL USE?

2 Answers  

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what does a k rating in a transformer means?

0 Answers  

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How can w select the cable size for different rating load & also waht r factors affecting the during selection of cable?

11 Answers   AB Inc, Bosch, BRB Cable, Lucas TVS, Trisome Technical Services,

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what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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How to calculat the ratio of HT\LT in energy meter

0 Answers  

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