Write types of lightning arrestor.

Write types of lightning arrestor.
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1 Answer

Answer :

a. Horn gap lightning arrestor.
b. Oxide film lightning arrestor.
c. Pellet lightning arrestor.
d. Thyrite lightning arrestor.
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Related questions

What is the difference between surge arrestor and lightning arrestor?

Description : What is the difference between surge arrestor and lightning arrestor?

Last Answer : LA is installed outside and the effect of lightning is grounded, where as surge arrestor installed inside panels comprising of resistors which consumes the energy and nullify the effect of surge.

What Is The Difference Between Surge Arrestor And Lightning Arrestor?

Description : What Is The Difference Between Surge Arrestor And Lightning Arrestor?

Last Answer : LA is installed outside and the effect of lightning is grounded,where as surge arrestor installed inside panels comprising of resistors which consumes the energy and nullify the effect of surge.

What is the difference between surge arrestor and lightning arrestor?

Description : What is the difference between surge arrestor and lightning arrestor?

Last Answer : A:Lightning Arrestor is installed outside and the effect of lightning is grounded where as surge arrestor installed inside panels comprising of resistors which consumes the energy and nullify the effect of surge.

What is the difference between surge arrestor and lightning arrestor?

Description : What is the difference between surge arrestor and lightning arrestor?

Last Answer : Lightning arrestor is installed outside and the effect of lightning is grounded, whereas surge arrestor installed inside panels comprising of resistors which consumes the energy and nullify the effect of surge.

What is the type of Lightning Arrestor?

Description : What is the type of Lightning Arrestor?

Last Answer : Station type, heavy duty, gap less zinc oxide.  

What is the purpose of lightning arrestor?

Description : What is the purpose of lightning arrestor? 

Last Answer : Due to lightning and switching surges high voltages are induced in the lines. If equipment's. Connected is subjected to this high voltage the insulation will fail. In order to avoid the failure of ... current to the earth. (It will divert the over voltages to earth and protect the substation)  

For a fault in switchyard lightning arrestor, what protection will act?

Description : For a fault in switchyard lightning arrestor, what protection will act?

Last Answer : Bus bar differential protection.  

Give the details of switchyard 220 kV CB, Isolator, CT, CVT and lightning arrestor.

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What is the type of lightning arrestor for GT?

Description : What is the type of lightning arrestor for GT? 

Last Answer : Zn O (zinc oxide) types.  

In 220 kV switchyard why lightning arrestor should be properly grounded?

Description : In 220 kV switchyard why lightning arrestor should be properly grounded?

Last Answer : a. During lightning, surges should be discharged to ground, otherwise it will puncture the equipment insulation and it is possible only when lightning arrestor is grounded properly.  b. In order to make it effective ... kV. Soil resistivity a should be minimum and may be it is 3.5 ohm per meter.  

How does a lightning arrestor work?

Description : How does a lightning arrestor work?

Last Answer : ANSWER I: Lightning, is a form of visible discharge of electricity between rain clouds or between a rain cloud and the earth. The electric discharge is seen in the form of a brilliant arc, ... a cone of protection, which has a ground radius approximately, equal to its height above the ground.

Where should the lighting arrestor is placed in distribution lines?

Description : Where should the lighting arrestor is placed in distribution lines?

Last Answer : Near distribution transformers and out going feeders of 11kv and incoming feeder of 33kv and near power transformers in sub-stations.

Where should the lighting arrestor be placed in distribution lines?

Description : Where should the lighting arrestor be placed in distribution lines?

Last Answer : A:Near distribution transformers and out going feeders of 11kv and incomming feeder of 33kv and near power transformers in sub-stations.

What is the difference between flash back arrestor and check valve?

Description : What is the difference between flash back arrestor and check valve? 

Last Answer : A check valve allows flow in one direction only. This prevents oxygen reaching acetylene cylinder and acetylene reaching oxygen cylinder in the event of blockage in the torch or line or pressure variations.

Emulsifier protection is associated with: a) Grounding protection b) Dielectric strength protection of cables and conductors c) Lightning protection d) Fire protection

Description : Emulsifier protection is associated with: a) Grounding protection b) Dielectric strength protection of cables and conductors c) Lightning protection d) Fire protection

Last Answer : Ans: D

Which of the following has highest diversity factor? a) Domestic lightning b) Commercial lightning c) Industrial power d) Domestic power

Description : Which of the following has highest diversity factor? a) Domestic lightning b) Commercial lightning c) Industrial power d) Domestic power

Last Answer : Ans: A

How standard lightning impulse wave is represented?

Description : How standard lightning impulse wave is represented?

Last Answer : Answer: Standard Lighting impulse wave is represented by 1.2/50 micro sec wave

What is meant by impulse ratio of any lightning arrester?

Description : What is meant by impulse ratio of any lightning arrester?

Last Answer : Impulse ratio of any lightning arrester is the ratio of breakdown voltage of the wave of special duration to breakdown voltage of a 50Hz wave

What is meant by Lightning arrester or surge diverter?

Description : What is meant by Lightning arrester or surge diverter?

Last Answer : A Surge Diverter is a device that is connected between line and earth, i.e, in parallel with the equipment under protection at the substation. It limits the duration and amplitude of the follow current

What is the difference between the lightning arrester and surge absorber?

Description : What is the difference between the lightning arrester and surge absorber?

Last Answer : Lightning arrester limits the duration and amplitude of the follow current while a surge absorber reduces the steepness of the wave front for a particular surge

How generator is protected from switching surges and lightning surges?

Description : How generator is protected from switching surges and lightning surges? 

Last Answer : Surge capacitor and lightning arrestor.  

When the electric current is passed through conducting solution, there is change in colour of the solution. This indicates a) chemical effect of current b) the heating effect of current c) the magnetic effect of current d) the lightning effect of current

Description : When the electric current is passed through conducting solution, there is change in colour of the solution. This indicates a) chemical effect of current b) the heating effect of current c) the magnetic effect of current d) the lightning effect of current

Last Answer : a) chemical effect of current

How many types of lightning arresters are there?

Description : How many types of lightning arresters are there?

Last Answer : Lightning arresters are devices use to protect electric equipment or instruments from lightning. Lightning arrester is usually installed adjacent to the equipment so that when lightning occurs, the ... surrounding as long as its directed well especially where it discharges the high voltage.

Have you ever felt lightning move through your body?

Description : Have you ever felt lightning move through your body?

Last Answer : No. But I’ve won the lottery once.

Should the way corporations pursue people at lightning speed with ads on the internet to the point of invading privacy be stopped?

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Last Answer : Facebook is paid by those exact corporations to place ads on it. Thus its Facebook and such websites to address this. Its the price of free sites that we assume are free but in reality it isn't directly. ... coming onto my screen. Lately I have been doing this to ALL ads and see less of them now.

Do you know anyone who has died in the shower when it was lightning outside?

Description : Do you know anyone who has died in the shower when it was lightning outside?

Last Answer : I have not.

What are those big lucite transparent balls with the lightning storm inside called?

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Have you, or anyone you know, ever been struck by lightning?

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Last Answer : answer:Oddly No. Considering that I lived in one of the word’s most notorious Lightning Strike hotspots: The Tampa Bay area.

How do people end up getting struck by lightning?

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Last Answer : Lightning is attracted to metal, so don’t stand close to a pole in a thunder storm! Even if the lightning hits, lets say 7 ft. away from someone they will still feel it.

Are you ready for dark lightning?

Description : Are you ready for dark lightning?

Last Answer : Is that part of the lightening sprites in thunderstorms? Already had my seat belt on for the the “E” ride @ Walt D world.

How large and powerful can a lightning strike get?

Description : How large and powerful can a lightning strike get?

Last Answer : Well they’re powerful enough to produce gamma rays and antimatter; on a scale of powerful terrestrial effects, that’s pretty potent in my book.

What's the closest you have been to a lightning strike?

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What do you do if you're stuck at sea in a sailboat, and there's a lightning storm?

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Lightning storm outside - does turning my computer off actually lessen the chance of getting struck?

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How many electron volts power the release of a large lightning bolt?

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New found powers after being zapped by bolt of lightning, how would you use them?

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Lightning struck my house, again. Do you have any ideas?

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Are there more lightning bugs this year?

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If Hurricane Alex happened to have lightning, and if its in the Gulf Coast with all of the oil, is there a possibility that it would turn into a giant fireball?

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Does lightning originate from the clouds to earth or earth to the clouds?

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Last Answer : http://www.youtube.com/watch?v=2XwFF5idD_0

I want to know what type of current does lightning consist of an ac, or dc?

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What is the plural of the word 'lightning'?

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What happens to your body when you're struck by lightning?

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Ever wonder what the lightning speed would be if it didn't zigzag?

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why dont tons of fish get fried when lightning strikes the ocean?

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What happens when lightning strikes the ocean?

Description : What happens when lightning strikes the ocean?

Last Answer : the electricity will spread through the water and weaken as it spreads. It can be deadly if you are in the immediate area. It doesn’t necessarily travel farther because its in water. Fresh waters impurities & the compounds in salt water act as conductors.

Does lightning kill fish when it strikes the ocean?

Description : Does lightning kill fish when it strikes the ocean?

Last Answer : answer:Interesting question.. From Basically lightning stays more on the surface of the water rather than penetrating it. That's because water is a reasonably good conductor, and a good conductor ... Dr. MacGorman adds that some electricity does penetrate the water, right at the strike point.

Are men really 4x more likely to be struck by lightning?

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Can you collect electricity from Lightning Bolts?

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What all can lightning destroy in a desktop computer?

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Last Answer : for me when it happened it struck a power pole near my house and thus it went through my old surge protector and pc’s power source box inside the tower and motherboard, all fried.