Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

0 Answers  

---

write a c++ code that receives an integer number and display the sum of the number and its revers integer?

0 Answers   MIT,

---

Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

---

what is the basic principle of operating of a television camera tube?

0 Answers   Student,

---

State the difference between Surge Arrester and Lightning arrester,Both are same or not?

7 Answers  

---

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

---

what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

---

transformer phasor diagram under load explain it?

0 Answers  

---

How much should be the load percentage for 15kva Inverter and Iinut & I output load with Calculations

0 Answers   IBM,

---

Hello, I am just preparing my self for a university interview and struck on the 11kv ring main unit system network. I just know that ring main unit has total three breakers, fuses and use to supply a power to any load/ building without any interrupt. But i am not be able to visualize the connections, either Ring main unit getting power from two different power sources? or there is always one feeder in complete ring circuit??? I would be highly thanks full of you help me.

1 Answers  

---

NOW A DAYS THE POWER SUPPLY IS VERY LOW.SO THE FLURESCENT TUBE LIGHTS ARE VERY DIM.IS THERE IS ANY WAY TO INCREASE ITS BRIGHTNESS?FOR EXAMPLE ANY CONVERTER,CONDENSER?

1 Answers   Bhel,

---

what use marshalling kishock in power transformer?

2 Answers  

---