Answer / k.prakashchandra

You do not need any website. Just searching for star-delta
is sufficient,in Google.

We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

---

what is vfd?

2 Answers  

---

why ligthing is not available in switch yards?

1 Answers  

---

It is used or not HT cable single core 630 sqmm in LT 3 phase capacitor bank which is used in PCC(power control center).

1 Answers  

---

why do mostly prefer to generate and distribute electricity in 3 phase..not in 4 phase or 5 phase.??

5 Answers   BSBK, IOCL, NTPC,

---

Where can i get practical knowledge of solar system?

0 Answers  

---

What will happen if 40W and 60W Bulb is Connected in Series.

2 Answers  

---

How much ampere can withstand for 2sq mm c able?

2 Answers  

---

In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 Answers  

---

Can the output voltage of a rectifier be greater than the input AC voltage without the use of any voltage multiplier in the circuit??please provide the explanation too..

0 Answers   IOCL,

---

Differentiate between low pass, high pass and band pass filter?

0 Answers  

---

why a single phase induction motor has poor power factor

0 Answers  

---