Answer / saish n kharkar

In case of SF6 CB SF6gas is used as arc quenching medium in.
when CB trip the male-female contact (we can say fix and
moving contact otherwise) gets opened at the same time SF6 gas
at particular pressure enters between the contacts and quench
the arc, also act as a coolant and insulating medium.

Can we use HRC fuse inplace of semi conductor fuse ? What are difference between them?

3 Answers  

---

what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

0 Answers   Reliance,

---

what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

---

what is meant by transformer oil temparature

3 Answers   Vijaya Bank,

---

what is apparant power and reactive power

2 Answers  

---

---

How supply comes to your home?

3 Answers  

---

what is the difference between normal motor and flame proof motor??

1 Answers   PI Industries, SRF,

---

what is different between DIGITAL and ANALOG?

2 Answers  

---

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

0 Answers  

---

what is meant by Back emf ?where its occur ?

6 Answers  

---

why the crow do not feel the current in overhead line when it sits on the wire??????

6 Answers  

---

what is the difference between an alternator and a synchronous motor

0 Answers  

---