Answer / k.prakashchandra

Most likely , there is inter turn short in that phase . When the number of turns is reduced , the back emf and the impedance are less resulting in more current to sustain the applied voltage.

why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero

7 Answers   HCIL, Jindal, Siemens,

---

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

5 Answers  

---

block diagram of 2 ups system connected in parallel mode?

0 Answers  

---

what is neutral ground resistance relay? how it is helpful in protecting system?

5 Answers  

---

Why capacitor bank does not require in DG Set?

21 Answers   IBM,

---

What is called grain-oriented laminations?

0 Answers  

---

what do you understand by dressing a HT/LT pole

1 Answers   Federal Polytechnic Nekede,

---

How to test the Secure Elite 440 Multi function meter working condition.

0 Answers   Sadanand Constructions,

---

what is XLPE cable?

2 Answers   Essar,

---

what is difference between differential protection and distance protection and how we calculate the sloop?

5 Answers   OPS, Power Grid,

---

In how we connect watt meter for open & short circuit test of a single phase transformer.

2 Answers   Sail,

---

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

0 Answers  

---