Answer / prad

Coz of form factor value, Which is 1.1 ie. foem factor is
rms value/avg. value (.707/.637=1.1).

Answer / ram kumar

first reason may bcoz of form factor as mentioned by prad but not sure, but basically we do follow British standards, hence these are standards. but we do have 13.2kV/ 132kV substation in our country (Karnataka has few), so it's not the multiples of eleven!!..

what's the different between ELCB, ELR and ELS?

1 Answers   CP,

---

Whats the difference between three phase and single phase?

4 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  

---

what is the difference between line voltage meter and relays

4 Answers   TCS,

---

what is reluctance?

11 Answers   TCS,

---

---

how to check the insulation for motor using megger?

2 Answers   GSK,

---

In an ammeter used for measurement of current, what is the meaning of the representation of range as '0-50-300'?

4 Answers  

---

why is neccessary Tap changing of power transformer with in a certain time

1 Answers  

---

LET ME NOW MORE ABOUT icu and ics for circuit breaker. how we calculate the rating of circuit breaker and i c u and ics values

0 Answers  

---

Why we cant store an ac power. If we coo store in which device we can?

0 Answers   Jindal,

---

with help of neat sketch explain principle of TIG welding process

0 Answers  

---

what is the size of ht cable of 33kv ht line and transformers ratings are 2.5mva and 5.5mva.please send formula also.

1 Answers  

---