Answer / bosky babu

In 3 Phase transformer,If the core is in circular shape, a rotating magnetic field will builds up and it will tends to rotate the secondary winding, (same as in the induction motor)

So the core is in the shape of square or in rectangle.

Answer / himansu

if circular core is used then more lamination is needed...thus
cost factor is obtained....

redundant connection in contactor?

0 Answers   Emerson,

---

If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

0 Answers   Reliance,

---

What is dynamo?How it works and what is the function of dynamo in a DG.

3 Answers   Amrapali,

---

HOW DO WE COLLECT THE SOLAR ENERGY AND DESCRIBE THE METHODS TO CONVERT THE SOLAR ENERGY INTO ELECTRICAL ENERGY?

1 Answers  

---

Wat is meant by OLTC?

1 Answers  

---

What is the actual calculation for transformer short circuit test?.

0 Answers  

---

what causes contact chatter when there is no demand on the air conditioning unit?

0 Answers  

---

what is the formula for 3 phase motor starting cureent deatials 3phase 148A delta 415v, efficiancy 94% can we run the motor with 200A incoming supply

2 Answers  

---

Why transformer used in UPS??

0 Answers   JLL,

---

Can neutral line also be use as a earthting for distribution transformer, or we need separate earthing pit forh the transformer?

1 Answers  

---

What is the formula to calculate the rating of a three phase air circuit breaker

0 Answers  

---

Advantages of low voltage drive (control panel)

1 Answers   ABB,

---