Answer / rohit mahajan

THe direction of 3 phase induction motor can be reversed by
interchanging the connections i.e. if motor is connected to
3 phase as RYB now by connecting motor in RBY will result
in reversal of direction of motor as the direction of flux
is reversed by changing the connections

Answer / chandru_williams

The running direction of 3 phase induction motor can be
reversed by interchaning connections of any one of the
phase.

Answer / bmw6633@gmail.com

a1 a2 a3
b1 b2 b3
b2a1 b3a2 b1a3

Answer / bmw6633@gmail.com

a1 a2 a3
b1 b2 b3
b2a1 b3a2 b1a3

what is the principle of servo motor

2 Answers  

---

On wat basis TSM & PSM are set? Example.TSM=30% n PSM=2.5A....Hw they are set and how we come to know that the particular relay should be set to this value only?

2 Answers  

---

what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

---

is it possible to turn on the single phase star delta on delay timer using 24 v dc ?

0 Answers   L&T,

---

What is the main purpose of relay?

1 Answers  

---

how is working bearing heater?

0 Answers   ONGC,

---

What is meant by short-pitched winding?

0 Answers  

---

Why slip-ring and brushes are not required in squirrel cage induction motor?

4 Answers   L&T,

---

How seriving & testing of the HT & LT breakers are done. What are the standard Ir values on which we can come to know the test is passed or failed?

0 Answers  

---

how many maximum nos of add on contact we shd provide on 4 no contactor

1 Answers   Accenture,

---

anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?

0 Answers  

---

How do you reverse the direction of rotation of a FAN?

13 Answers   CPCL, IOCL,

---