Answer / k.prakashchandra

Auto means self . As the single winding acts as a transformer without requiring a secondary winding ,it is called so

how the rotating magnetic fieldis produced in induction machines??? give the correct explanation.is there any mathematical expression for the same?

1 Answers  

---

When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

0 Answers   BMRCL,

---

in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

0 Answers  

---

what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

---

why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

---

why middle phase should used for earth fault and other phases used for over current in overcurrent and earth fault relay?

7 Answers   ABB, ONGC,

---

what is booster? and how it is connected in a circuit?

0 Answers   APTransco,

---

What is limitedly stable system?

0 Answers  

---

WHY EXCITATION OF SYNCHRONOUS MACHINE IS DC NOT AC

8 Answers   NTPC,

---

how we can calculate earth fault current?

1 Answers   Alchemist,

---

why ht line fuse wire is so thin

7 Answers   DLF,

---

What are unstable systems?

0 Answers  

---