Answer / sheikh

in any type of generators if AVR has become failed
then not possible to generate the voltage, because excitation
is comulsory to megnetized the alternator field winding
in case of AVR faliuer exitation also must be failed becaus
AVR is supplied the exitation volage either no load condition
or on load condition AVR also incrase and decrease the
exitation voltage and current as per demand of load.

What is power focter ?

6 Answers  

---

What is the purpose of reactor.why we used in over head line?

2 Answers  

---

what is the differnce between high impedance relay and low impedance relay

4 Answers   Areva,

---

Please mention available current rating for MCB,RCCB,MCCB in the market or any website

1 Answers   ETCO,

---

I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 Answers  

---

Why the isolation treasforfer are connected at out put of the ups ig 200kva ??????????????????

3 Answers  

---

What happens if the capacitive reactance of a transmission line is very high?

5 Answers   ABB, Power Grid,

---

what is trip circuit supervision relay? How does it work in switchgear?

6 Answers   Radha Regent Hotels,

---

What is the fault or needs to be done when frequency in ac drives is not changing?

0 Answers  

---

Why does not AC excitation use in rotor of AC Generator instead of DC excitation?

2 Answers   A2Z Group,

---

how braking & making capacity of circuit breaker is calculated?

0 Answers  

---

why Current is lead 90 degree and voltage is lag 90 degree in a capacitor.? why Current is lag 90 degree and voltage is lead 90 degree in an inductor.?

0 Answers  

---