What is short circuit analysis of electrical networks?What are the procedures to be followed for its calculation?

2 Answers   DLF,

---

Why MS rod or flat are used in stead of GI rod or flat in switchyard earth mat ?

2 Answers  

---

if a bird sits on the service wire it didn't get shock then why the human get shock when he touches it(assume that human is not on the ground and any object i.e. in space)?

5 Answers  

---

why transformers are put with supply for 24 hours before giving supplying to a locality?

2 Answers  

---

what is the difference between diode and zener diode?

21 Answers  

---

what are the differences between MCB and MCCB ?

19 Answers   Bhel, DLF, Omax,

---

What is tan delta & PPM in transformer? and whats its IS value?

0 Answers  

---

In parallel operation time both NGR’s close or not close if both close what will happen

0 Answers  

---

For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?

1 Answers  

---

which type of effect of turbine and generator reverse power protection ?

0 Answers   NTPC,

---

why breaker closing coil gets burnt if supply is continously provided to it.

1 Answers   TATA,

---

WHY BREAKER ARE USED IN SUBSTATIONS?

0 Answers   Fedco,

---