Answer / arumugam

can someone answer me the formulation how shri arrived the formula for A=kva*1000/(v*1.732.how does 1000 comes in formula. give me the formula.

Answer / shri..

KVA=30.4

Volt (LL)= 415

A= 30.4*1000/(415*1.732)

Per Phase Amps = 42.29

What is the phase relationship between the primary and secondary voltages of a transformer?

0 Answers  

---

why we use stones or rock pieces in transformer area?

10 Answers  

---

1. how much normal earth resistance in earth pits(neutral and body earth) and transformer neutral and body earth & panel earth.

12 Answers   HP, Malladi Drugs and Pharmaceuticals, Pearl Engineering, PL,

---

In star and delta connected systems , for driving power and as well as light load which one you will preferred?

2 Answers   Aramco, IBM,

---

What is the meaning of electricity? How it is being produced? Can we store the electricity? When we produce electricity what is the capacity of voltage current we are getting? If we need 440 volts how to get it? In case, if we want lower than 440 volts how to change it? Please answer?

1 Answers  

---

i am working in automation feild my question is that how to find the KVA of transformer.

3 Answers  

---

why microprocessors are named as 8085 ,8086 etc? what's the reason for this???

15 Answers   Bhel, HCL,

---

critical losses of transformer

3 Answers   EEEC,

---

i had aplied Hindustan Petroleum corporation limited for the post of maintenance technician -Electrical,i want model questions,if anybody have please send it or please advice?

0 Answers  

---

what is the minimum insulation resistance for HT AND LT motor ?

3 Answers  

---

what is the power rating of CPU, CRT type moniter, LCD type moniter,scanner Approx.

0 Answers   HAL,

---

what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

0 Answers   Power Grid,

---