What is the difference between surge arrestor and lightning arrestor?

1 Answer

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.

Related questions

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.

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.

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.

Description : What is the type of Lightning Arrestor?

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

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)  

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

Last Answer : Bus bar differential protection.  

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

Last Answer : 220 kV SF6 Circuit Breaker 1. Make - ABB 2. Air pressure blocking a. Close Block - 17.3 bar. b. Open block - 16.7 bar. c. Auto reclose block - 19 bar. 3. SF6 pressure block a. Alarm - 5. ... , storage and erection. Rated voltage : 216 kV rms. Operating voltage : 184 kV rms. 

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

Last Answer : Zn O (zinc oxide) types.  

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.  

Description : Write types of lightning arrestor.

Last Answer : a. Horn gap lightning arrestor. b. Oxide film lightning arrestor. c. Pellet lightning arrestor. d. Thyrite lightning arrestor.

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

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.

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

Description : Which of the following devices will receive voltage surge first travelling on the transmission line ? (a) Lightning arresters (b) Relays (c) Step-down transformer (d) Switchgear

Last Answer : (a) Lightning arresters

Description : Which of the following statements is incorrect? (a) Station batteries are used to operate relay only (b) The lightning arresters are basically surge diverters (c) An impedance relay has maximum fault current when fault occurs near the relay (d) A high speed relay has an operation of 1 to 2 cycles

Last Answer : (a) Station batteries are used to operate relay only

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.

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.

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.

Description : When insulation failure produces a low resistance current path between two conductors, the resulting condition is known as ____________. A. an open B. a short circuit C. a ground D. a surge

Last Answer : Answer: B

Description : What is the function of the interpoles installed in DC motors? A. To provide greater torque by strengthening the main field. B. To provide sparkless commutation without having to shift the brushes. C. To limit the production of counter-electromotive force. D. To limit the starting surge current.

Last Answer : Answer: B

Description : Fuses placed in series with a thermal trip-type circuit breaker are used for _____________. A. time-delay protection B. short-circuit protection C. short duration surge protection D. sustained overload protection

Last Answer : Answer: B

Description : What is meant by voltage surge?

Last Answer : Voltage surge is sudden excessive rise in voltage that may be dangerous to the electrical equipment of an installation. Voltage surge cause damage to insulation of the system. Voltage surges are caused because of lightning, switching on and off the load at high voltages

Description : What is the use of surge tank?

Last Answer : The surge tank is used to provide better regulation of water pressure in the system. The surge tank controls the water when the load on the turbine decreases and supplies water when the ... variations resulting from the rapid changes in water flow in penstock and hence prevents water hammer.

Description : How does the over voltage surge affect the power system?

Last Answer : The over voltage of the power system leads to insulation breakdown of the equipments. It causes the line insulation to flash over and may also damage the nearby transformer, generators and the other equipment connected to the line.

Description : What is Recurrent Surge Oscillograph (RSO) Test?

Last Answer : RSO test is performed to detect faults in rotor windings. The electrical faults in generator rotors fall into two main categories. The faults from the winding to the body and the ... The existence of the faults will frequently display excessive mechanical vibration and cause serious concern. 

Description : What are the uses of high voltage surge test?  

Last Answer : This test gives distinct wave forms giving indications of various defects such as, a. Turn to turn short in same phases. b. Coil to coil short in same phases. c. Partial phase to phase short. ... connections. g. Open coil connections. h. Short to ground partial. i. Short to ground complete. 

Description : Water hamming effect is occurs in a) Surge tank b) Penstock c) Turbine d) Reservoir

Last Answer : Ans: Penstock

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

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

Description : How standard lightning impulse wave is represented?

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

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

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

Last Answer : Surge capacitor and lightning arrestor.  

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

Description : Are people going back to being very covid careful in your town because of the surge in cases from Delta?

Last Answer : I live in a county with a very high vaccination rate (over 80% of adults) and a very low number of COVID-19 infections. In fact, we've been averaging between zero and one new cases per week for a ... is yes. People here are going back to being very careful, and I expect that trend to continue.

Description : Do you have a rationale for the humongous covid surge in Michigan?

Last Answer : I imagine it’s a combination of the more contagious variant combined with the sentiment of the far right wacko antimask brigade who stormed the capital building in Lansing.

Description : What do you think of surge pricing?

Last Answer : It seems to me that the prices goes up during peak periods but doesn’t come down lower than it has been on other times so I see it at as a gouging technique. Airlines are doing it now with frequent flyer point too.

Description : During the Soviet War in Afghanistan, why did the refugee surge into Iran not have a destabilizing effect like it did in Pakistan?

Last Answer : Simple answer. Iran is an authoritarian government, a theocracy that is run by a bunch of mullahs. As such, they could (and possibly did) quash any dissent by mobilizing the Revolutionary Guards. For ... government, that at least to a degree, believes in a democracy and open society of some sort.

Description : Will there be a surge of birthday parties for 50 year olds around August 9, 2016?

Last Answer : Do you have a brother or sister turning 50 next year in August?

Description : Can you explain the sudden surge of interest in my '63 Volkswagen?

Last Answer : Simple. It correlates with the number of people who tripped over their own two feet and died between 1999 and 2009. The true facts here

Description : Does a woman's cervix open before or after LH surge?

Last Answer : answer:

Description : Will a surge protector (partially) remedy the lack of a ground?

Last Answer : No, and I beleive in fact for a surge protector to work it partially uses a fuse, but also sends the over current to the ground to discharge it. Where do you live that doesn’t have grounding in the outlets anyways?

Description : Will a surge protector purchased in the United States work in Italy?

Last Answer : answer:Yes, but it'll be complicated to do so. First, you'll need to use a converter between the receptacle and your surge suppressor. Next, if the device you're powering is not European, ... surge suppressor and your device. See here. You're probably better off buying a surge suppressor in Italy.

Description : Do you ever experience an unexpected surge of joy?

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Description : Plugging a UPS-surge protector into a surge protection strip: good, bad, silly?

Last Answer : Depends on the UPS. It certainly won’t hurt. The surge protector pretty much only trips a breaker if you have a power spike.. The UPS should do the same and give you a chance to shutdown and save stuff if your power goes out. It might be overkill. But it won’t hurt, and better safe than sorry.

Description : I have a Surge Protector (with Data Line protection: ethernet, telephone, coaxial cable) Plugged into a UNGROUNDED Outlet. Do is there a risk? It is Safe?

Last Answer : My understanding is that the surge protector helps keep your equipment safe. And the grounding helps keep you safe. The surge protector will trip a circuit so any power spikes won't damage your stuff that is ... least that is how my brother in law explained it to me. (he is a licensed electrician)

Description : Has anyone else noticed a recent surge in Zombie Literature?

Last Answer : Not to mention the whole video game angle… Left 4 Dead, anyone?

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Last Answer : I think you should read this first: http://www.gson.org/stepdown/

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Last Answer : Yes, but your UPS may not be able to handle the load when your power goes out.

Description : My surge protector says "protected" and "faulty wiring" at the same time?

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Description : How is the Surge working?

Last Answer : answer:http://uk.reuters.com/news/video?rpc[equal]401&videoId[equal]90615&feedType[equal]VideoRSS&feedName[equal]TopNews&rpc[equal]401&videoChannel[equal]1 I can answer my own question…