How Grading Rings & spacers in transmission lines works?working principle?

Answer Posted / ajaz sarwar

Grading rings also called corona or anti-corona rings, made up of conductive material attached to the terminals of high voltage equipment to reduce the peak value of electric potential gradient below the threshold value of corona. 

Is This Answer Correct ?    1 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)

1467


What is the resonant peak?

639


why the colour of insultor stack , petticoat is brown. Is it has some technical reason.

1569


completed BE & done apprentice at tneb & having experience 6 years. want to get c license. will apprentiship & BE be helpful for getting c license. will i get any preference by showing this?

1190


Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

1059






working principles of cf lamp,incandescentlamp and f lamp?

1834


The advantages of Magnetic flux leakage technique over Ultrasonic technique for non distructive testing of material.

1488


Why does an induction generator is preffered as compared to synchronous generator in especially a wind energy power production project?

1598


Please explain, how to test vector group of tranformer(Delta y1) . Thank

1212


Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

1716


What happens if we give the supply to the rotor of induction motor and make its terminal shorted?

3042


what is submersible pump?what is different between motor and sub motor?

1595


WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???

1918


What is meant by reverse polarity and how it can be fixed?

739


prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

1715