Answer / harish

the power factor can be presented practically
by drawing the phasor diagram...it is the angle between the
voltage and current....the positive direction is assumed i.e
either cc or acc.....

Answer / satya

power factor is the ratio of p and vi so we can take the
gralph between p and vi and slope of that gives us p.f

Answer / yuvraj

PF= 1/ROOT(1+THD2)

Answer / moti rgpv

TO MEASURE PF PF-METER IS USE.DRAW ANGLE B/W PF AND TIME

why is power supplied in 3 phase only? why not in 2 or 4 phases?

11 Answers  

---

plz tel me syllabus and exam date 4 jr executive engg (electrical)

0 Answers   AAI Airports Authority Of India,

---

Logic using 1 kV or 1,1 kV grade in house wiring Low voltage cable. Explain/suggest? some use 1kV and some prefer 1.1kV grade insulation low voltage cable why??

0 Answers  

---

How can we Run three phase motor when only single or two phase supply is available ??

3 Answers  

---

MICOM P122 OC/EF RELAY HAVE HARMONIC RESTRAIN OR NOT?

1 Answers  

---

---

what is main purpose of ignator in halogen lamps.how to identify the failer of ignator in circuit

0 Answers  

---

In 400KV Switchyard, we have used Circuit Breaker With PIR, what is the significance of PIR & why they'r used?

2 Answers  

---

What are the conditions to be satisfied for parallel operation of dc generators?

0 Answers  

---

What is proximeter? where it is used and why?

1 Answers  

---

Generator protection &generator test

1 Answers  

---

what is eee?

8 Answers   TATA,

---

"What is the difference between voltage and potential differnce?"

15 Answers  

---