what is a lightning arrester???

Answer Posted / niranjan

Lighting arrester is a proctective arrangment which provide
protection against high voltage surge. During lighting and
other condition when high voltage surge genarate then it
provide path for surge through earth.

Is This Answer Correct ?    3 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is difference and reason b/w -48V BTS system and 24 V BTS system. Plzzzzzzzzz tel me.

1729


How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

1371


what is the basic construction diffrance between servo motor ans sqiralcage induction motor

2018


WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1508


what is the method of earthing of a transformer using electrodes?

1729






oil cooled transformer

1770


How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

1512


Sir, I have applied for the of Jr.engineer(Electrical & Electronics) & ASST. LOCO PILOT at ALL RRB BOARDS. please send me all RRB Boards solved papers in the year of 2001 tO till date. i requested send me the papers to my id as soon as possible (jet_0991@yahoo.com). (This is very urgent) Thank You,

1405


what happens when series resonance occurs?

1393


How PSV sizing being done

1823


In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)

10975


armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

1423


what size steel armoured cable is required to support 1500kva capacity. would 70mm squared be enough or would I need 90 or 120mm squared 3c plus earth

993


Draw a SLD of DG distribution up to main LT panel?

8853


What is the dc grounding system and what is diff between AC/DC grounding system?

1630