how the high voltages are produced?and what it causes?

Question Posted / m.kishore kumar

4 Answers
5188 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

how the high voltages are produced?and what it causes?..

Answer / priyanka

high vtgs are produced by high vtg surges,a sudden
increase of voltage damages the equipment throughout t/m
line so surge absorbers have to be used to protect the
equipment as it is very costly.

Is This Answer Correct ?

2 Yes

1 No

how the high voltages are produced?and what it causes?..

Answer / yaswanth

high voltages are can also produced either electerically or
electronically.it is used to test the equipment's critical
voltage.ex.Insulation measuring, t/f oil testing.

Is This Answer Correct ?

0 Yes

0 No

how the high voltages are produced?and what it causes?..

Answer / chandrasekar

impulse generator can be used produce very high voltage for
short duration. And this high voltage is produced to test
electrical equipments like transformer , lightning arrrestor etc

Is This Answer Correct ?

0 Yes

0 No

how the high voltages are produced?and what it causes?..

Answer / alok

High voltages are
produced as a result
of various unwanted
factors like harmonics,
and these have to be
rectified from the
system, either they
may cause temporary
or parmanent damages.

Is This Answer Correct ?

1 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

1 Answers NTPC,

In case of motor Power Factor Generally We Apply A Capacitor But How Can We Know That A Motor is Running On Very low Power Factor And What Rating Of Capacitor We Have To Place And Tell Me Conversion Of Micro Farad to KVAR>

2 Answers

16kv transformeris stolen in my village.and department is not taking action.then what should i do.any shortcut .please help any idea

1 Answers

how desiel generate sart fail of eb?

0 Answers OPG, Wipro,

I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers

Differentiate between voltage and current feedback in amplifiers?

0 Answers

whay is snubber circuit , why we are using snubber circuit in thyristor

1 Answers NEPC,

How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers

?? how to calculate lighting system ????

1 Answers L&T, Synergy,

What is P.F? Formula for calculating PF in HT side?

1 Answers

how can we make cable shedule for controll wiring ? which details must be required for it.?

0 Answers L&T,

how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)

6 Answers Bosch, NMDC,

For more Electrical Engineering Interview Questions Click Here