Answer / prashant

Neutral does not carry curret only in the cae of a balanced
load. However in the case of an unbalanced load ( 3
Phase ), neutarl definitely carries the unbalance current.
That is why we have 4 pole ELCBs - to ISOLATE THE CIRCUIT
IN CASE of fault in neutral

why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

---

Why Batteries are rated as AH i.e AmpereHour,and its formula to converting AmpHour to Amp

4 Answers   Suzlon,

---

what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

0 Answers   NTPC,

---

mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....

0 Answers   IFFCO,

---

A 25MVA 3300/400V T/F is termed as per winding is …… a) primary 3300V & Secondary 400V b) primary 3300V & low voltage winding 400V c) High voltage winding 3300V & Secondary 400V d) High voltage winding 3300V & low voltage winding 400V

4 Answers   Engineers India Limited,

---

---

How to find HT side and LT side(of a transformer),with the help of a voltmeter?

1 Answers   Odisha Power Generation Corporation OPGC,

---

Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

0 Answers  

---

In UPFC,What is the need for Dc link ( DC capatior)?

1 Answers  

---

CALCULATE THE TOTAL VOLTAGE DROP AND SELECT THE CABLE SIZE IN MM-SQARE FOR A PANEL-262KW AT 110 METER FROM THE SOURCE SUPPLY , SUPPLY VOLTAGE 240/415

0 Answers   DEWA, Growth,

---

How can i get my certificate of competency as an electrical supervisor? I have complicated my B.Tech from Uttarakhand technical university this year (2012).

0 Answers   ONGC,

---

OHMS Law is only applicable for ac or dc or both circuiT?.

6 Answers  

---

What are the different auxiliary protections of a transformer?

1 Answers   CESC,

---