why the frequency and voltage in india is 230v and 50HZ. when compared to USA say 110v and 60 HZ.

0 Answers   Alstom,

---

Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

0 Answers  

---

why the capacity of power plant is given in MW though the generators are rated in MVA?

3 Answers   TATA,

---

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

---

What is vector group? What is meant by DYN11?Why is it needed?

13 Answers   Areva, Bhel, BRG, Escorts, Fortis,

---

TNC switch is also available in 1NO+1NC. What does it mean ?

1 Answers  

---

star delta starter control wiring diagram?

1 Answers  

---

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

---

what is the power ratio between power in star and delta circuit?

3 Answers  

---

why in a swquence network representation, the negetive sequence generated voltage is taken as zero?

0 Answers  

---

In PT the coil is wound on?

3 Answers   DVC,

---

what happens if dc supply is given to the transformer?

10 Answers  

---