Answer / electrix

When High voltage passes through bare conductor. The
voltage ionises the air around its circumference. This
causes the hissing noise and the same is called corona
effect.

Answer / sreemani84

its called as CORONA Effect. whenever high supply passing
to the open wire its react with moisture.

Answer / lakhan.self

When voltage gradient is or more then 21.2 KV/CM in normal atmospheric condition in overhead transmission line causes air ionized around the conductor resulting faint voilet glow,production of ozone gas and hissing noise called corona

why current coil has less number of turns compared to pressure coil?

8 Answers   Airtel,

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How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?

0 Answers  

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How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

0 Answers  

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What work have you done on full chip Clock and Power distribution? What process technology and budgets were used?

0 Answers   Divis Laboratories, Intel, Sainor Labs,

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if a 3phase 100kva distribution transformer , 400 v,50 hz, 4-wire system is loaded at 160 k.w mostly 1-phase Lighting & Airconditioning split a.c load what will be the net effect on the power system in terms of voltage, powerfactor, current , efficiency of xformer

0 Answers  

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What is contract demand in solar system?

0 Answers  

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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static chagre

0 Answers  

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why some harmonics are disturbing while the others not

1 Answers  

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what is the difference between capacitive and resistive voltage divider?

0 Answers  

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now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

1 Answers  

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briefly explain principle of resistance welding

0 Answers  

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