Answer / abdul nazir

The top one is the earthing conductor. It is used to
protect the lines from the "LIGHTINGS".

Answer / kaushik ( ms university)

The wire provided at top of the tower to tower is a ground
wire.it is used for protection against LIGHTNING STROKE. &
it is grounded at regular interval of tower.

Answer / ajit

It is generally used to protect the conductor from direct
stroke of lightening

The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

0 Answers   GATE,

---

Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

2 Answers   GMR,

---

why dc supply is not applied for step up or down in transformer

3 Answers  

---

What are the difference between C-Curve and D-Curve for MCB's.

17 Answers   ABB, DLF, Essar, GK companies, Nissi Engineering Solution,

---

what is the function of closing coil in air circuit breaker?

0 Answers   Fresher,

---

Why we Specify Transformer rating 433 V Instead of 415V ?

8 Answers   ABB, ERA, Uddans,

---

What we mean by vintage of an engine+Generator?

0 Answers  

---

What is the knee point voltage of CT-100/5,15VA,5P20 ?

3 Answers   ERL, NTPC,

---

can we use only a isolator in the subtation..

1 Answers   ABB,

---

What are Contactors? How they works and what its highest rating?

0 Answers  

---

salam, hi, how to calculate british temperature unit (B.T.U)?

1 Answers  

---

Why fuse is? What will prevent by fuse?

2 Answers  

---