Answer / snowwhite10

normally in case of suspension type insulators ,each
insulator is designed for particular rating like 11 kv ..so
for 33kv transmission we need 3 such insulators.

Answer / venkatesh

what about higher voltages?

Answer / jagan

This calculation is not applicable for higher voltages,ie
can we use 37 insulatore for a 400 kv line ?

60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 Answers   NPCIL,

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what is the purpose of neutral grounding resistor (NER) and why?

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what is ferranti effect?

3 Answers  

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Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

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what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?

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why+ve is earthed in electrostatic precipitator in thermal power plant

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what is neutral?

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For the same power rating,which motor is bigger in size,AC or DC?

9 Answers   Bhel,

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