Answer / kj

An AVR (automatic voltage regulator) works by supplying a
variable voltage to the field of an alternator to control
the output voltage.
The AVR senses the output voltage and compares it to a
setpoint which is usually set by a pot on the board.
It uses either the output voltage from the alterantor or
another source (e.g. PMG permenant magnet generator) to
supply the voltage to the field. The voltage to the field
is DC so the supply to the AVR is rectified before it is
used for the filed.

Can we use MCCB with Auxiliary Contact in place of Contactor in a AMF System.

1 Answers   C&S, Farnek,

---

If Three Runs of 1Cx300 Sqmm Cable between Transformer and VCB and the distance between 100mtrs. what will be total length of Cable and if cost 1500Rs per meter,what would be the total cost

1 Answers   ANITS,

---

Disadventage of cable-gland earthing if any ?

0 Answers  

---

what is voltage present between to phases in a three phase motor?

1 Answers  

---

I NEED RRB APTITUDE QUESTIONS AND MODEL PAPER,PLEASE SEND MY E-MAIL joo28_eee@yahoo.co.in

0 Answers  

---

what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

---

how to select the cable size? any formula to calculate cable size?

4 Answers  

---

If age of Raju is 20% less than Sanju,then age of Sanju is how many % more than Raju

2 Answers   Tech Mahindra,

---

what is the thumb rule to know current carrying capacity of copper conductors of different size.

1 Answers  

---

Why is a synchronous motor always star connected??

0 Answers   Bhushan Power Steel,

---

use of automatic voltage regulator & input voltage of it?

1 Answers  

---

different between horse power and break horse power

2 Answers   Allied Group,

---