Answer / k.prakashchandra

If AVR trips UCB has to trip either for LOE(loss of excitation ) or reverse power .Leading pf indicates gen voltage lower than grid voltage . Check the measuring PTs. Is is better to synchronize manually before resorting to Auto. Check the synchroscope also

Answer / k.prakashchandra

As told by somebody , the phase sequence in the AVR should be as that of gen

how to calculate the current carrying capacity of a conductor. How it is related to diameter of cable or conductor

3 Answers   AGC, BARC,

---

As the one point of eac phase winding is connected to each other in satr connction. Even if that at distribution side collesion of two diff phases result in to blast. Why?

1 Answers  

---

how to calculate capacitor bank value to maintain unity power factor plz xplain with some suitable xample?

4 Answers  

---

The unit of quantity of electricity is the:(a) volt(b) coulomb(c) ohm(d) joule

1 Answers  

---

why and where we use early make & late break contacts in protection?

0 Answers  

---

---

what is the difference between static and dynamic induced emf?

14 Answers   College School Exams Tests, MRF, Suraj Constructions,

---

Why birds seating in HT line does not get shock? If person hangs in HT line (single hand or both hands) does he get shock?

15 Answers   SSC,

---

Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

0 Answers   Bindal Papers,

---

what is merz price protection

5 Answers   NHPC,

---

can anyone plz tell me in 3 phase induction motor, whare we use STAR CONNECTED MOTOR and whare we use DELTA CONNECTED MOTOR

3 Answers  

---

Whether the vacuum contactor requires Short circuit protection?If No,why?

0 Answers   Reliance,

---

why do the core of transformer saturates???

1 Answers  

---