vikki

• Oct 1st, 2011

 

Lighting arrester is used to arrest the surge current. Mainly used in substation because transformer is on there.

swapanjeet singh

• Oct 1st, 2011

 

It is a protective device which conducts the high voltage surge on the power system to ground.
The earthing screen and ground wires fail to provide protection against traveling waves. The lightning arrester provides protection against surges.

KRISHNA

• Oct 5th, 2011

 

Lightening arrester is a protective device which is used in the substation to protect the transformer from the surge current and it passes the surge current to the earth.

Rajkumar

• Oct 12th, 2011

 

lightening arrester is a protective device .only used to the travelling waves .earthing screen and transmission line does not used on ligtening arrester

mahesh

• Oct 14th, 2011

 

lighting arrester are used at substation to protect the transformers from surge currents and pass the surge current to earth

rakshay sharma

• Oct 18th, 2011

 

LA-- nothing but a metallic conductor provided with grounding, to arrest natural lightnings, in order to protect electrical equipments.