Answer / aman arora

Because to
induce EMF in
alternator some
potential
required and it
sets up megnetic
field. And when
the rotor rotats
in megnetic
filed then that
minor potential
becomes its
rated output
votage

Answer / yaseen

A SMALL GENERATOR IS REQUIRED TO EXITE THE ALTERNATOR .OR
YOU CAN BATTERY OF DC SOURCE TO EXITE THE ALTERNATOR

Answer / bikkinas

a small dc generator used to gave the excitation

Answer / bahadure.kapil

alternater is power generating mashine.to generate power &
to field exietation of alternater.so required of exietation
to the alternater.

how to calculate cable size for the motor

2 Answers  

---

What are the causes of motor vibration?

3 Answers   Equate,

---

what perpos use cepacitors in motars,fans,lights,and LT panal

1 Answers  

---

advantages of vvvf drives over non vvvf drives for EOT cranes

2 Answers  

---

v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3 Answers  

---

Draw the single line diagram of the power station?

0 Answers  

---

1. What is the exact formula for one weber? for example,(one ampere = one coulomb electron of electrons crossing a point of conductor at one second. i.e, 1A=1Q/1sec)

0 Answers   Bhel,

---

I want to ask a question which i faced during testing of Capacitive Voltage Transformer in AIS. We have measured the C1 , C2 individually , but when we start to measure the total C1+C2 , the testing equipment shuts down and says low loading. Kindly is it possible to find the total capacitance by using measuring device. kindly briefly explain the procedure.

0 Answers   AIS,

---

how much Watt can we fully load a transformer

4 Answers  

---

What is meant by load angle of an alternator? Upon what factors does the load angle depend?

0 Answers   VECL,

---

what is the definition of a power transformer ?

4 Answers  

---

insulators advantage in transformer yard?

1 Answers  

---