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

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to configure the drives in PLC, through Profibus commnication. And to how to address it?

2367


What is meant by analogous system?

773


in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

1453


what is accuracy ? in any meters , coils accuracy . how can u defined that ?

1931


what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

1858






Why reactors use before incoming of ac vvfd drive?

1382


Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

1487


For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

1476


In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

1531


Do u know any one? how to find out in motor rated amps? formula?

1546


what is class of SPD and dittels of all class ?

1582


Show the schematic arrangement of diesel power station layout and give its principle of operation.

2541


What is the difference between solid grounding and impedance grounding?

1548


what is the ckt diagram of a tubelight and is it the simplest ckt of electrical engineering and also the component?

1853


is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details

1577