Answer / srirama

due to airgap between the lines

Answer / raja

in practicaly if the pin insulator losses its insulation
also it will happen
loose conection between two pin insulator also it happens
and due corona effect also it happens

Answer / sunil.dutta

all answers are wrong. Please understand question carefully.

Humming noise in tr. lines is due to charging and
discharging of lines under very high voltage.

Answer / sudharsan

Due to the production of faint yellowish gas around the
conductor ...(due to ionisation of gas ) called corona.

Answer / guest

because of hysteresis losses

Answer / durgaprasad

Because of transfer the high voltage & current

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0 Answers  

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hi frienda We have 750kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

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3 Answers