Answer / sarmadahmed

I'm not sure but jelly is used to absorb moisture which means cable's insulation will have longer life.

the single phase voltage is 230 volts and threee phase is 430 v.why three phase is not 660 v?

2 Answers  

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what meaning of gd squre

1 Answers  

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what is synchronous speed.? if an induction motor is made to run at full load, then is this synch. speed too..?

2 Answers  

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What motor is used in ceiling fans and what motor is used in table fan.? why table fan is costlier than ceiling fan?

6 Answers   Bhel,

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how we can select a transformer based on a particular load. suppose we have 4 motors of rating 40 h.p , 50 h.p, 80 h.p & 100 h.p. then what rating of transformer we can select. urgent. pls reply

6 Answers  

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how to calculate the current carrying capacity of a conductor. How it is related to diameter of cable or conductor

3 Answers   AGC, BARC,

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insulators advantage in transformer yard?

1 Answers  

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what is rated voltage?

1 Answers  

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what is IP65 & What is its advantages

1 Answers  

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What is the difference between an ELCB and a RCD?

2 Answers   Schneider,

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3. What is Impedance Voltage in Transformer?

16 Answers   KESC, L&T, Torrent Power,

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We all have seen transmission and Distribution lines In transmission lines the voltage is high and current is low(to reduce I^2r loss) and in distribution lines voltage is low but current is high however the size of transmission wires is bigger than that of distribution wires even though the amount of current carried by the distribution lines is more than that of transmission lines why?

4 Answers  

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