how netral CT is selected (including its details specification)

8 Answers   ABB, ABC, dbpl, Mecon, Shree Engineering, Tapasya Transformers,

---

what happens to the supply voltage if there is any change in frequency?

1 Answers   Gridco,

---

What is the megger value for ht

16 Answers   Electrical,

---

what is the purpose of reactor in electrical substations ?

2 Answers  

---

What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 Answers  

---

---

why bucholtz relay placed inclined in transformer?

1 Answers  

---

What is I to C?

0 Answers   PowerTech,

---

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  

---

we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt ratio. What is the multiple factor of this meter.

0 Answers   ABB,

---

Why derivative controller is not used in control systems?

0 Answers  

---

What happens when two positively charged material is placed together?

0 Answers  

---

in india,we use 230V,50 Hz,whereas many other countries use 110V,60Hz.what r d advs and disadvantages of each of them?

11 Answers  

---