Answer / santhan kumar reddy nareddula

To my knowledge , in order to protect the load which is on secondary side of transformer, we usually ground it

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,

---

in case dc we mark as + ve & -ve..but in case a.c. we mark as ph&N...Y LIKE PLZ TELL ME

4 Answers   NPTC, TCS,

---

is IS says that neutral should be brought to switch box. and this one is a recomended practice

0 Answers   Sterling Wilson,

---

why earth fault current is always less than the o/c

2 Answers  

---

how give earthing to shif and aeroplane which is away from earth?

1 Answers   ABC,

---

there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit

0 Answers  

---

Which motor connection is preferable star-delta or delta-star?

0 Answers   IOCL,

---

please design a rectifier with batteries for below requirement and also explain how you calculate this solution, Load = 700Amp DC Backup time = 6 hour. please explain briefly ?????

1 Answers   GNFC,

---

what is relation between vector group of transformer and its load hormonics?

1 Answers   Sanmar,

---

Can you use step up generator transformer of voltage ratio 16.5kv/420kv in place of step up generator transformer 15.75kv / 420 kv

1 Answers  

---

Why SF6,VCB,Oil Ckt Breakers are use in HT Side need brief information ?

5 Answers   Shell,

---

what is the apt definition for kirchoff's current and voltage laws?

3 Answers  

---