Answer / dinesh

study well.... nothing can be achieved in a day..... regular practice can only help you... accept the pain.... prepare well... ALL THE BEST... MAY GOD BLESS YOU....

Can a 50-Hz designed transformer be used at 60-Hz system? Is the same remains true, when a 60-Hz designed transformer be used at 50-Hz system? Consider only frequency variation. The voltage remains as rated value in all cases. Justify the answer.

2 Answers  

---

What is the maximum breakdown voltage of 11KVA and 66 KVA power line and how it is calculated?

0 Answers   Anglo Platinum, Narnarayan Electrical,

---

What is the knee point of voltage of CT?

5 Answers   NTPC,

---

What is meant by sotf,lbb,power swing,pole discrepency,auto reclose?

1 Answers   Bunge, Electrical, Omega, TCS, TNEB Tamil Nadu Electricity Board,

---

Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

---

How is a 100 MVA transformer cooled?

9 Answers  

---

why current is denoted by I

7 Answers   CTS, GCT, Samtel,

---

from which formula we select a capacitor rating?

4 Answers   Suzlon,

---

we r having 3 core 3 1/2, 4 core cables how we can know this cable has to be used for this purpose?

5 Answers  

---

3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

---

Is it required to use Automatic transfer Switch in L&T panel board if we use AMF panel with DG set? How the single line diagram will be? Please forward the material to sreenu_207@yahoo.co.in

0 Answers   HAL,

---

Why CT's shall not be kept open?

5 Answers   ABC, Qatar Gas, TIPL,

---