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

what is meant by fuzzy logic? what is fuzzification and defuzzification?

5 Answers   MEIL, Power Grid,

---

How much is the starting current for HPMV lamps. How many lamps can u wire in a circuit

1 Answers   Technip,

---

Brief difference btween aluminium & copper conductor

2 Answers  

---

# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

0 Answers   HPCL,

---

how fluoresent lamp works??

2 Answers  

---

Whet is IGBT.How it teste

2 Answers  

---

I am having dual speed motor of cromton greaves make of 3.7 KW -1400 rpm and 5 KW - 900 rpm. Please let me know groups and winding connction for rewinding purpose.

0 Answers  

---

why we used ZNO in Lightning arrester.

0 Answers  

---

We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?

4 Answers  

---

What happens instead of using 3 phase, if we give loop of single phase to all three phases ??

1 Answers  

---

what is diffrence between dc motor and dc generator?

3 Answers   HBL Power Systems,

---

what is the full name of ELCB &MDB <MCB

2 Answers  

---