Answer / simon

Square wave,Saw tooth wave,Triangular wave.

Answer / murugavel

no dc current and ac current only voltage different ac voltage and dc voltage. current mean move electron through the conductor it not a different and type too

how the length effects the ampacity of the cable? if a cable is carrying a current of 100A for 50m length then what will the effect on current if we double the length?

2 Answers  

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Why is earth connected to neutral on transfomer installations

2 Answers   VACC,

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What type of input will the OLTC indicator will accept or what type of output the OLTC will produce to monitor it's position at remote location.

1 Answers   amps,

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What should be the earth pit resistance value?

7 Answers   BARC,

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The specific heats of the gas at constant pressure and constant volume are respectively 1.0 kJ/kg K and 0.72 kJ/kg K; the value of R for the gas is

0 Answers   Caterpillar,

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What is the function of Lightning Arrester & Wavetrap in Power system ??

18 Answers   ABB, Bhel, Energy Infratech, Infosys, NTPC,

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Can any one explain me about 2 phase motors ?

2 Answers   L&T,

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Insulater disk using formula for 33/66/135 line h t line

1 Answers   Hofincons, Kirloskar, KPTCL,

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When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

1 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

1 Answers  

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what is meant by motor startup supervision & motor load jam protection ?

0 Answers   ABB,

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What is the meaning of burden and class of accuracy of CT?

1 Answers   Home,

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