Answer / arun r

its block High frequency signal in to swith yard for eg PLCC communication use high freq ,high freq signal sent to other ss upto wave trap 

What are the testing to be done before the installation of 1000 KVA Transformer?

3 Answers   L&T,

---

what is meant by k-rating in isolation transformer?what is k9, k14 stands for?

0 Answers  

---

What is VFD, and how its work

5 Answers  

---

1)we r having one problem .one dry type transformer(6.6KV/433V)is taking high magnetizing current on delta connected HV side of "U" phase when compared to other two phases.could any body tell the reason why it is happening? 2)why CT secondary side protection core has got higher winding resistance when compared to that of metering core of same CT?

2 Answers  

---

What are the types of windings according to the construction?

0 Answers  

---

why we use Bus earth truck and Cable earth truck

5 Answers  

---

In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

---

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

0 Answers   Synergy,

---

what is difference between inductive and reactiveload?

5 Answers   ONGC,

---

What is the difference between switch gear and control gear ?

2 Answers   QU,

---

Can we get the shock if Power system is unearth means delta type take an rated voltage as 6.6 KV?

9 Answers   Reliance,

---

Calculate the demand in KVA for a three phase 440V power source drawing 1100A current

5 Answers  

---