Answer / rams

Appliances rated voltage is 415V. If Trasformer is specied
at 415V, it will further drop down at receving end and
appliances may not work
To compensate Voltage drop at receiving end

hi i m going to attend bhel interview on 22nd sep 2008 for ET(electrical engineering).pls guide me how to prepare for the interview.i am a fresher.

1 Answers   Bhel,

---

what is mean by potential and potential free contacts

2 Answers  

---

HOw can we calculate power factor at HT side.

6 Answers  

---

In Transmission System if the potential difference at the two end of line are same then is the transmission of power will continue ? if yes then how.

1 Answers   IOCL,

---

If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

---

wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

---

My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

0 Answers  

---

Which cable is use for rtcc control panel

0 Answers  

---

Why synchronous motor runs at a fixed speed? what is the name of that fixed speed?

4 Answers  

---

for a slip ring induction motor if the stator is short circuited and rotor is given supply? how does the rotor rotate?

1 Answers   TNEB Tamil Nadu Electricity Board,

---

what is the main purpose of line PT and bus PT?

11 Answers   L&T,

---

the relationship between phase and line voltages in a 3 phase generator is expressed in what formula?

4 Answers   Omicon,

---