In DC while we mention the voltage we are using -48V but in case of AC we mention only 230V not -230V, why we using -48V not 48V

2 Answers  

---

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  

---

For 300 MW plant what is the distribution voltage

6 Answers  

---

The rotor current is directly proportional to slip. How?

3 Answers  

---

Find the octal equivalent for the binary number 101101110

1 Answers   Ecil,

---

Enlist four components of electrive drives.

0 Answers  

---

If not into production, how far did you follow the design and why did not you see it into production?

0 Answers   Bharti, Havells, Intel,

---

What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?

0 Answers  

---

We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

0 Answers  

---

what is the purpose of starter in tube light?what is it operation .

1 Answers  

---

ABOUT AC GENARETORS AND MAINTANANCE AND TYPES OF GENARETORS

1 Answers  

---

What is meant by Im=30mA@Vk/2. How to know the kee point voltage for CT design

0 Answers  

---