Answer / a.p.nanjappa

Generally all sw yds are designed with outdoor lighting
system with normal and emergency power source.
the main reason may be security,power saving.management
decisions

why it is important to earth neutral of 3 phase transformer?

9 Answers   IBM, ITC Indian Tobacco Company, RRB, UDS,

---

what are the advantage of UG cables over the over head lines

2 Answers   DVC,

---

Does human body can effect the electric shock when stand on Insulated material?

2 Answers  

---

what happen for input voltage output voltage input current output current and kva if we increase primery winding in transformer?

1 Answers  

---

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

0 Answers  

---

how df/dt relay operates & how it works?

1 Answers  

---

what is the voltage equation of 240/12 v transformer??

1 Answers  

---

how work a harmonics filter(L-C combition).

1 Answers   Bhel,

---

What are the characteristics of negative feedback?

0 Answers  

---

4.In which type of welding is a pool of molten metal used.....

3 Answers   ISRO, SSC, Vizag Steel,

---

DIFFERENCE B/W NEUTRAL AND EARTH?

2 Answers   Genesis, IBC,

---

how to calculate the transformer losses.

4 Answers   Cipla,

---