If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

---

WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?

3 Answers   TCS,

---

Why P.F(power factor)relay should not be connected to the D.G(diesel generator) incomer side

1 Answers   ABB, Corsa,

---

what type of current supply is given to house holds?

7 Answers  

---

Interchange 7 and 6 ,÷and× 36×7+4-7×3

1 Answers  

---

---

A separately excited dc motor having 2 ohm armature resistsance draws a current of 10A and torque developed is 20 Nm under rated field condtion. the speed of the motor under the rated field condtion , when it is connected to a 100V DC source and delivering 10Nm torque....

2 Answers   DRDO,

---

1 ph induction motor winding priniple and connection diagram?Similarly for 3 ph induction motor?Full description

0 Answers  

---

Is it possible to increasing the real power generation by reducing the reactive power in power generation plants

3 Answers  

---

how system fault level is calculated?

1 Answers   HCL,

---

how to calculate kvar in Akiva

0 Answers  

---

what is thermo stat, explain how its working?

1 Answers  

---

Maximum efficiency occurs in electrical machines is at i)Full load,ii)50% of full load,iii)Near full load,iv)None of these

1 Answers   IFFCO,

---