Answer / abishekmittal

In transmission lines, we can have different types of
protection like.
1. Distance protection
2. Back up distance
3. Cable differential protection
4. Line differential protection

Answer / er.s.ramkumar

Distance relay used for transmission line protection, this
relay operate when fault happend in the line.save the load
or other working equipments.

Answer / sindhu

in case any fault occurs in the transmission line, it is
used to isolate the healthy side from the faulty side i.e it
is used to protect the line from total damage.

Answer / karthi

in abnormal condition,fault current may be more, to isolate the fault current elemente from the system

5. What is PMG in Alternators?

11 Answers   L&T,

---

howmany types of compresor is there? and how to calculate compresor capacity?

3 Answers  

---

how steam converted into electricity in power plant

4 Answers  

---

what do you mean by power factor ? in new view

3 Answers   BDL,

---

What is difference between PVC cable & XLPE cable?

14 Answers   Intertek,

---

What is the two pole structure?

0 Answers   Foxconn,

---

plz explain the auot-reclosing circuit in electrical engineeing

0 Answers   BMC, KFC,

---

WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

0 Answers  

---

why there is a phase difference between line voltage & phase voltage ?

4 Answers  

---

why star connected transformers used in tneb?

1 Answers  

---

short notes on npn & pnp transisitor..........

5 Answers  

---

why the weight of oil in transformer is specified (on the nameplate) in litres as well as kilo grams?

3 Answers   Reliance,

---