What is meant by voltage surge?

What is meant by voltage surge?
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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
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What is meant by Lightning arrester or surge diverter?

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

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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

What is meant by impulse ratio of any lightning arrester?

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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

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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

Why Earth Wire is provided in the overhead transmission lines?

Description : Why Earth Wire is provided in the overhead transmission lines?

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How does the over voltage surge affect the power system?

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.

What are the uses of high voltage surge test?

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

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Description : Which of the following refers to too much electricity and may cause a voltage surge? a) Anomaly b) Shock c) Spike d) Virus e) None of these

Last Answer : c) Spike

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

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

The voltage appearing across the contacts after opening of the circuit breaker is called______voltage. (a) recovery (b) surge (c) operating (d) arc (e) none of the above

Description : The voltage appearing across the contacts after opening of the circuit breaker is called______voltage. (a) recovery (b) surge (c) operating (d) arc (e) none of the above

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Why does surge impedance loading (SIL) increase with increase in voltage level?

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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

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

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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.

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Last Answer : Answer: B

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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?

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What is the difference between surge arrestor and lightning arrestor?

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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 Recurrent Surge Oscillograph (RSO) Test?

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

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

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

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

Last Answer : answer:

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

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

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Do you ever experience an unexpected surge of joy?

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

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

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

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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?

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What happens if I plug a surge protector into a 220V outlet?

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Can I connect a surge protector to a UPS?

Description : Can I connect a surge protector to a UPS?

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

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How is the Surge working?

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…