Answer / nishant2110

Actually, Power rating generally comes in multiple of 11,
because of form factor.
Since form factor of sinusoidal wave is 1.11
So, wherever(generally in ac system) rating is given in RMS
value, they must have to multiply average value with
formfactor(1.11) and it comes as multiple of 11.

Now come to the real question,

Since, In Railways, DC series motor is used.
So, no need to specify rating in RMS values. That can be
specified in Average value. That's why, it is not in
multiple of 11kv.

Guys, this is my perception but i believe this is right
answer. Anyways, discussion will be appreciated.

Answer / kavita

any one know above answer............plz give correct answer
of above question

how does an open delta transformer works

2 Answers  

---

what are cable earthing and bus earthing trucks?when and where they are used?

1 Answers  

---

Transformers with dc supply

4 Answers  

---

What is transmittance?

0 Answers  

---

How energy is generated in hydroelectric power plant?

0 Answers  

---

why transformer is giving some humming noise .....?

11 Answers   Electrotherm, JSW,

---

what is suitable alternative for an igbt?

4 Answers  

---

In our factory there is one no. of Series trip HT 6KV OCB. 1. Is it possible to measure CT out put current by 440V Clamp meter? The measurement is required for knowing the exact value of current in CT secondary to set up protection for transformers. 2. plase forward the single line diagram of AMF panel?

1 Answers   HAL,

---

what is the use of neutral?

14 Answers   IOCL,

---

How the Transformer oil testing is done & Why oil dielectric goes LOW & what is solution for that ??

3 Answers   NTPC,

---

You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

---

how the 12 pulse rectifier is made?

8 Answers   Engineers India Limited,

---