Answer / naveen

For upto LT/440V application we use acb.
for above above/upto 11kv we can use acb/ sf six etc.

how to detect the presence of underground cable(while digging road)etc. -give the name of instrument

7 Answers   NTPC,

---

why is only master neutral contactor is made to switch in synchronization of dg sets

4 Answers   Honeywell,

---

what will be the min and max voltage flow from neutral to earth?

0 Answers  

---

how many methods for starting an induction motor?

7 Answers   Hindustan Unilever Limited, Hyundai, TPL,

---

ho w to make Incident and accident reporting

1 Answers  

---

what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

---

Supose we have one 220v A.C fan.if we provide 220v D.C what will be happen?

13 Answers  

---

What is the difference between RCD & RCCB, Where it can be used

3 Answers  

---

what type of relays used in transformers?

24 Answers   APTransco, BSNL,

---

What is a charge.?

4 Answers  

---

in wind mill use 2100 kw asychronous generator ( induction generator ) rotor voltage : 3300,stator voltage : 690, rpm : 1511 type : MRL063E04 ' we check rotor resistance magger value found following. R-EARTH - 00 M.OHM,Y-EARTH-34 M.OHM,B-EARTH- 33M.OHM R-Y: 31 M.OHM, Y-B: 00 M.OHM,B-R :33 M.OHM HOW CAN I TAKE DECISION?pls ans. quickly

0 Answers   Shaifali Rolls,

---

why should we connect the no load components in a equivalent circuit of transformer in parallel?why cant it be in series.

3 Answers  

---