what is the different ratings of ACB/VCB/SF6 which is used at HT side

3 Answers   Hosco,

---

what is sf6 where it is use & working or function ?

5 Answers  

---

why do we use magnetic contactors ?circuit breakers are not enough?

5 Answers  

---

differentional compound gernater used for wielding porpose. why????????//

2 Answers  

---

What are the main problems in distribution? I have to do an assignment so which problem should I choose? Like power factor problem etc.

4 Answers  

---

For a DY11 lighting Transformer on primary side whee to connect fourth lead? from nuetral or from ground?

3 Answers   Sabic,

---

Write down the brushes of a de machine.

0 Answers  

---

Why fuse is? What will prevent by fuse?

2 Answers  

---

on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

0 Answers  

---

if i conncet ct with ct ratio of 600/5 to an energy meter having ct ratio of 100/5, the reading show by the meter will correct, if wrong is there any method to calculate correct value with shown value, if yes please state it.....

2 Answers  

---

What is VCB? where it is installed at SP. What is SP?

0 Answers  

---

My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

---