Answer / loku

if the prime mover rotates in the other direction then too
the alternator will develop voltage with phases reversed. but
in case of motoring the alternator will not rotate in
reverse direction its just that it will behave as a motor,
rotate in the same direction, and damage the m/c.

Answer / akhil

according to answer 2 the machine will be damaged. why?

Answer / nomi..

it convert electrical to mechanical energy.....
behavior just like motoring.

How to Calculate Stc Rating of an indoor type VCB Panel? What is a full form of STC?

1 Answers   ABB,

---

1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

0 Answers   CCP,

---

What is difference between potiential,volatge and emf

1 Answers  

---

why cannot we use a freuency more than 400hz is used in aircrafts?

1 Answers  

---

Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

0 Answers  

---

Explain in brief description about the operation of DG sets.

0 Answers   Siemens,

---

What is the relation between the Peripheral speed(N) , no.of poles(P) and diameter(D) of a cylindrical rotor alternator ?

5 Answers   NTPC,

---

What happens when reactive power enters a system?

6 Answers  

---

Reduction in supply voltage by 10% will change the torque of the motor by ___.

1 Answers   UGVCL Uttar Gujarat Vij Company Ltd,

---

What will happen if i connect the delta winding motor to star input.

1 Answers  

---

What is main purpose of chock coil and starter in florescent tube ?

1 Answers  

---

What is meant by celling voltage & current in excitor ?

0 Answers  

---