Answer / imran abbas

THE CURRENT THAT PRODUCE IN THE CORE DUE TO CUTTING OF
MAGNETIC LINES OF FORCES,FOR REDUCING OR DECREASING THIS
EDDY CURRENT A LAMINATED CORE IS USED,AS WE SEE IN
TRANSFOMER THE WINDIND ARM ARE NOT IN SOLID BODY,IT IS MADE
WITH LAMINATED IRON PIECES AND ALL THESE PIECES ARE
INSULATED EACH OTHER

Answer / d c

Eddy currents are nothing but a type of circulating current that is generated basically due to the presence of the leakage flux (the flux that does not linked with the main core) supplied by the source current.

what is ratio test?

1 Answers  

---

what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??

0 Answers  

---

if voltage is not builed up in small generator what will be the reason?

7 Answers   century,

---

Why in India distribution transformer are connected in Dyn11 when we know capacity of v-v connection can be increased by adding only a single transformer?

1 Answers   CSPL,

---

in a three pin socket y the pin of earthng is longer n bigger...?

3 Answers  

---

---

what is the contact resistance of sf6 circuit breaker??

2 Answers  

---

Why are lt windings placed near the core?

0 Answers  

---

Initially motor starts with star connection ,after few timing changes to delta connection, why the motor should run continously in star connection,it gives high torque & low current?

3 Answers  

---

What is Engine?

6 Answers   HSL,

---

In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

0 Answers  

---

draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

0 Answers  

---

how to find out this one mcb r mccb?

4 Answers   L&T,

---