Answer Posted / anil kumar

An Ordinary Transformer consists of two windings called
primary winding and secondary winding.These two windings
are magnetically coupled and electrically isolated. But the
transformer in which a part of windings is common to both
primary and secondary is called Auto Transformer. These two
windings are not only magnetically coupled but also
electrically coupled.The input to the transformer is
constant but the output can be varied by varying the
tappings

Why field rheostat is kept in minimum position?

701

---

I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

2521

---

What is the feedback in the control system?

628

---

WHERE NEUTRAL WIRE IS CONNECTED AT DOMESTIC TO TRANSMISSION LINE(SINGLE PHASE TO THREE PHASE)

1335

---

placing earthing pit in pathway is correct or wrong??. placing earthing wireGI1/18 inside walls is correct or wrong?. explain!!!

1667

---

---

at what base you will tell the direction of rotation of dc motors and generators?

657

---

WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?

1477

---

How to derive detailed design of Suitable bus Bar for 100A for 6.6KV?

1439

---

how synchronous condenser is used in place of synchronous generator with out negotiating IEEE standards? Can i use 3 generators as synchronous generators and 2 generators as a synchronous condensers in an IEEE 14 bus system with out disturbing the standards?

1632

---

Pleae send me last 5 years of Question book about RRB chennai.

1806

---

Explain (in simple ) - root mean square. whats its role in electrical fundamandal.where its used

1802

---

star delta starter contorl circuit... drawing..

1662

---

whats the existence of reactive power and when it arises?

1625

---

What is the principal of motor?

640

---

what is plunger and what's the use of it in motor alignment?

1999

---