Answer / Vipin Dahiya

The ratio of true power (W) to apparent power (S) in an AC circuit is defined as the power factor (cos φ), where φ is the phase angle difference between current and voltage. Mathematically, it can be represented as: P/S = cos φ

how to handle 2500 kva transformar

1 Answers  

---

What is difference between mcb and mccb.

1 Answers  

---

what is reluctance?

11 Answers   TCS,

---

Is this possible to synchronize the two different ratings of dg

1 Answers  

---

what is %impedanece

3 Answers   KSEB, Steel Plant,

---

Why only 1ph,2ph,3ph supplies are universally used?? Why not 4ph or 5ph??

4 Answers  

---

explain me how a power factor is improved by adding a capacitor?what capacitor do to improve it?in simple words and in detail?thx

7 Answers  

---

1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

---

How are harmonics produced in AC machines?

4 Answers  

---

In TNC switch, is there any 1NO+1NC block ? and if we move over closing position, is ther any affect on trip position or vice versa?

1 Answers  

---

ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

1 Answers   KBC, wbsedcl,

---

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1 Answers  

---