What is lighting kitts.

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what is reason in mv breaker the control supply voltage is dc not ac?

1 Answers  

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What are the components connected in between the power supply coming from an electric pole to HT & LT Panels in a large commercial building or how the power supply connected from Electric pole to Transformer & then to the HT & LT panels of a building? Please send me answers via mail, my id is yogiagarwal@gmail.com. If possible, please give a line diagram.

0 Answers   Ranbaxy,

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 Answers  

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explain why the secondary terminal of current transformer should not be lift open circuited.

2 Answers  

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why HV test for cables?.why 0.7times?

1 Answers   Bosch, Prince Food Products,

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a bulb of 100W and anather bulb of 200W , rated supply voltage 230v.when supply voltage is reduced to 100v,which bulb will give more light? and why with calculation?

12 Answers  

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What happens when DC supply is given to transformer

4 Answers   CESC, IBM,

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How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

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1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

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what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

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Define de-sensitivity?

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