Answer / arun_sekar_1986

Electric Arc is nothign but discharge of current from
conducting medium through a gas filled device.
Ex: Vaccum Circuit Brekaer, SF6, ACB.

Answer / deepa

ITS A ELECTRICAL BREAKDOWN OF THE GAS,RESULTING A CURRENT
FLOWING THROUGH NON CONDUCTING MEDIA SUCH AS AIR.

Answer / lavanya

an arc is nothing but Ionisation of electrons through air
(or any medium ).

only three phases are coming in step down tranformers.how to get neutral?

5 Answers  

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what is the effect come when i changed the alternator exciter field winding DC palority(+ve & -ve)which is coming from AVR.

1 Answers   Wartsila,

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sourse is 66 KV / 350 MVA, transfarmer is 1000 KVA 6.6 / 0.415 kv, iF fault is 28.75 MVA on 0.415 KV Bus then calculat the Transfarmer Impidance

0 Answers  

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How do you select a cable size(Cu&Al) for a particular load

10 Answers   Adhunik, BPCL Bharat Petroleum, Hiecon, TATA,

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What is the latest generation of circuit breakers called?

3 Answers   Epitome, Focus Energy, Jakson, KDC, L&T,

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The unit of electrical charge is the

1 Answers  

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What is the Powar consumption of fan low speed to full speed? is it same ?

3 Answers  

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What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

0 Answers   MES Military Engineer Services,

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What will be the direction of rotation of a Alternator in case it goes in motoring action when connected with grid ?

6 Answers   DVC, NTPC,

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how we can calculate power factor in single phase & three phase ?thank u

0 Answers  

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why starting current is high and resistance is almost 0 during the starting of motor dc motor...?

0 Answers  

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State thevenin’s theorem?

0 Answers  

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