What is the principle of residual protection?

0 Answers  

---

What do you mean by transformation ratio of instrument transformer?

0 Answers  

---

i want to ask that as everybody knows that in star connection on star point is called neutral. my question is that why on that poin called neutral. what is the reason behind it. what is the logic behind it. i heared somewhere that on this point all phases current become zero thats why. if this answer is right then prove why on that point is current become zero. if this answer is not right then tell me the right answer. post ur answer here or on my mail address. m.ikram786@yahoo.com m.ikram555@gmail.com. thanks.

1 Answers  

---

advantage of motor design on higher power factor . normally motors are designed for .8 power factor. what is advantage of designing at .88 power factor

0 Answers  

---

improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

2 Answers  

---

how can i improve the power factor in domestic (230v)

0 Answers   Epcos,

---

What is the de rating factor of cable? What is the importance of the de rating factor in cable select

0 Answers  

---

What is BMS System???Types...

4 Answers   Emerson,

---

why do we have spikes enough to burn electronic boards, when generators are not grounded

0 Answers  

---

IT IS DESIRABLE THAT THE INCOMING MACHINE SHOULD BE A LITTLE FAST AT THE TIME OF SYNCHRONIZING.EXPLAIN?

1 Answers  

---

why is the core of the underground cable is spiral in shape instead of straight?

8 Answers   Mecon,

---

if i have 5kw,9A,three phase induction motor,if i want to install it 100 meter away from its feeder,how i will culculate cable size for this load.

2 Answers  

---