Answer / suprotim mukherjee

this is a oscillation of transmission of long transmission
line due to the air of high amplitude and low frequency.It
cannot be omitted totally, it can be minimized only.

Answer / anand

asymmetrical formatio of ice on transmission line

if neutral earthing is weak of a system then how can we improve it ? Technically explanation ??

1 Answers   CS, L&T,

---

what is class of SPD and dittels of all class ?

0 Answers  

---

what is bus coupler? and how many type? which one is big advantage ?

2 Answers   Essar,

---

how to select power and control contactor .

1 Answers   Bhel,

---

In three phase supply why we use R Y B Colour not other.

4 Answers  

---

When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

---

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

3 Answers  

---

ohm's law is applicable to DC/AC/Both??

6 Answers   KPIT,

---

In 11KV Double pole structure for each phase we are using Disc one Insulator. Why we are not using 2 r above insulators instead of one insulator?

4 Answers   Genus,

---

Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF

2 Answers   Siemens,

---

What is the practical way to calculate the cable size for known ampere load?

0 Answers  

---

what is a DLC?[just dont reply its a Dual loop controller!] Plz do Explain the advantage of DLC over PLC?

3 Answers   Essae,

---