Answer Posted / kiran

Principle is vector summation.
Ir + Iy + Ib = 0

and not arithmatic summation.

Since neutral current is substantial 25A, the three RYB
vectors are not 120 degree apart. Means powewr factor in
each phase differs drastically. Thats why though there is
no much difference in RYB current, neutral has substantial
current.

is it possible to test of bus bar in high rise building without completed full floor ?

1680

---

Can i replace Earth leakage relay to the faulty Earth Faulty Relay

1513

---

how test transfomer(3 phase75kva) by megger

2112

---

For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

2125

---

who invented active elements? plz give me the complte details of active elements...

1836

---

How to findout raw or ups power? its not indicated in socket,

2038

---

What is excitation in case of dc motor?

1156

---

CBCT selection

2269

---

what are the analog quality input for protection function?what are minimum reqiments?

1833

---

Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

1573

---

hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1873

---

What is the formula to calculate the rating of power cable for three phase current.

2128

---

A ray hit a smooth regular surface at an angle of 20 from the normal. Calculate : 1. The angle btw the incident and reflection ray. 2. The angle of deviation.

1917

---

I want to know all basics of electrical engineering

1845

---

How line capacitance & line inductance varies with increase in height tower.

2327

---