Answer / k.prakashchandra

There are 3 windings marked as a1 a2,b1 b2,and c1 c2.In star
a2 ,b2 and c2 are shorted and supply will be given to a1, b1
and c1.In delta a1 and c2, a2 and b1, and b2 and c1 are
shorted and supply will be given to 3 common points

why we pefer the salient pole for synchronous motor ?

2 Answers  

---

AC voltage only create magnetic flux in coils, but in Solenoid coil how 24V DC volt create flux and pick the plunger

5 Answers  

---

what is meant by negative sequencing in power system.explain in detail

1 Answers  

---

WHAT IS THE FUNCTION OF SHORT CIRCUIT MAINTENANCE CT

0 Answers   KSEB,

---

what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

---

A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is vd. If the diameter of wire is made d/3, then drift velocity becomes

1 Answers  

---

Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?

0 Answers  

---

what is function of INVERTER

4 Answers  

---

what will happen if one of the phases from a 3-phase motor is disconnected?? stop/run at 2/3rd speed or run at same speed????

3 Answers  

---

why there is 1 phase and 3 phase but not 2 phase and 4 phase?

3 Answers  

---

while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

---

What is open delta Xformer? It's adavntages & Use?

0 Answers  

---