Answer / rohit agarwal

see in a transformer for producing flux only no load current(magnetizing current)is required.now as load is put on secondary side by lenz's law flux in core decreases which is compensated by drawing greate current from primary.thus flux linkage remains constant.

Answer / bmohapatra

As load increases in a transformer , mutual flux linkage in
core decreases.

A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

1 Answers  

---

wht d.c produces corrosion

1 Answers  

---

what happens if a carbon brush is touching the top end of the commutator

2 Answers  

---

What sort of protection scheme do you suggest for the protection of a 10 HP motor?

1 Answers   Chevron,

---

what is under coal gassification?

0 Answers  

---

What is meant by Active and reactive power?

5 Answers   Siemens,

---

HOW TO CALLICULATE RESITENCE,REACTANCE AND IMPEDENCE VOLTGE OF TRANSFORMER 13.33 KVA 144/240 VOLTS 93/56 A WITH FORMULA

0 Answers   ISRO,

---

how will protect transformer agint overcurrent protection

6 Answers   MPSEB,

---

IF i have switchgear with busbar current rating of 1000Amp 35kA then is it necessary to have outgoing breaker kA rating to be equal to busbar kA rating?

6 Answers   L&T,

---

We have .ht motor which is 60Hz.we run on 50Hz.so that it's speed reduce but we had one prob.that motor winding temp increase up to 135 deg.we want reduce this temp.what to do?we arrange ext.cooling fan but not much effect.we want reduce this temp. Inhouse without affecting much.cost. also don't want reWINDING OF MOTOR?

3 Answers  

---

In EHV tranm. The conductors are …….. a) Cu roads b) Cu bars with Si c) Cu tube with Si plate

2 Answers   Engineers India Limited,

---

For household Load of 11Kw supplying 5Nos. 1.5 ton Air conditioners + usual other load what shall be rating of Either ELCB Or ELMCB? Which of the circuit breaker will be a better choice?

2 Answers  

---