Answer / omprakash singh

corona happens more in ac

Answer / smita

as compare to dc corona is more in ac and talking about dc
its moer on positive conductor as compre to negative.

Answer / sivakumar

corona more in ac because more conductors are used in ac transmition lines

Answer / dev

thank u guys its mean i have another right
answer at written test

Answer / sravan kumar

corona proportional to the term (f+25).so for ac corona is
more than dc

What is spill current in protection relays?

1 Answers  

---

what will happen to give a dc supply in transformers?

3 Answers  

---

In a house wiring why we are using only one neutral wire and so many phase wires from the main board, when the load is common for both wires?

3 Answers  

---

what is the impedence

1 Answers   Al-Othman,

---

I have a CT meter with ratio 60/5. The meter reading of previous month was 3290.49 and that of current month was 3797.26. How many chargeable units as per normal meter should be my reading.

0 Answers  

---

---

what is rms value?

3 Answers  

---

How to know vacuum in vacuum cylinder of breaker in working condition

0 Answers  

---

what is servomechanism?

1 Answers  

---

What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

0 Answers  

---

what is the diff of mcb and mccb

2 Answers   NSN, Sterling Wilson,

---

Why fuse is? What will prevent by fuse?

2 Answers  

---

what is ring system ?

3 Answers   Bhel, Sabic,

---