Answer / pswin

Parallel operation of alternators is called synchronization. A synchroscope is an instrument for indicating the correct time for switching on. Three conditions must be fulfilled for synchronization.
1. Voltage must be same.
2.frequency must be same. And
3.voltage should be in phase position with respect to local series circuit.
Additional requirement is that the phase rotation must be the same.

Answer / kamlesh g patel

incoming machine voltage should match the system/other
generator voltage.
frequency must be the same.
phase sequence must be the same.

What is the difference between MPP, APP, Mixed Dielectric power capacitors? Which technology is superior in current scenario?

5 Answers  

---

How will polarity test of Dy5 transformer ?

2 Answers   BSL,

---

What if the difference beween internal and exrteranal LBB?

0 Answers  

---

which type of capacitors using in single phase motors

1 Answers   Vishnu Infra,

---

What is the drawback of class b amplifier?

0 Answers  

---

what is 11kv cable

1 Answers   bscpl,

---

What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.

0 Answers  

---

What is quadrantal symmetry?

0 Answers  

---

R u say ,that is there is any flux in your room.

1 Answers  

---

What will happen if the generator turns in a wrong direction?

2 Answers  

---

how will you find out the fuse failure by remote operation?

1 Answers  

---

what is the reason for indication of light in the earth lamps of main switchboard.if there is an earth why does one lamp get dim and the other two bright.

0 Answers  

---