Answer / manish

underrated size cable are mallet because over load current but overrated size cable are safe in 3 phase ac electrical motor.

why battery set is required for D.G.set?

7 Answers  

---

three owners X, Y, z owned some tractors with them, on the first month x gave away the same amount of tractors to y and z ( as much as they possed), similarly in the 2nd month y gave of to x and z similarly by third month z gave to x and y. after this all X, Y, Z had 24 tractors each.

2 Answers   econ,

---

when a motor is connected in parallel with the existing motor the pf will change or not?

9 Answers  

---

how we calculate fault current& load factor or fault level&also the leakage current

1 Answers  

---

What is servo motor and what are different types of servo motor

0 Answers   BARC, Vipul,

---

---

75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?

0 Answers  

---

what is the difference between potential transformer and capacitive voltage transformer?

1 Answers  

---

what are the duties of commutator in motor and generator?

6 Answers   L&T,

---

A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

---

What is meant by line losses, how do you prevent the losses?

3 Answers  

---

when a three phase motor in running condition consumes 2A in each phase,and if one of the phase gets fails what will be the consumption in other two phases

4 Answers  

---

How do you compute voltage drop and cable size over distance?

0 Answers  

---