what is meant by transformer differential protection ?

3 Answers   BFL,

---

What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

0 Answers   TATA,

---

Define active filter?

0 Answers  

---

In ac motor,when dc supply is given what happend to the motor?

3 Answers  

---

What should be the DC voltage for Hi-pot test on 11kv switchgear

3 Answers  

---

what is load which is indicated in power plant generation panel? in any power plant

1 Answers  

---

What are the methods used to improve powerfactor ?

6 Answers  

---

what is 30-phase of transformer

0 Answers  

---

Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

---

Why the earth terminal pin is larger than phase and neutral in three pin plug top>

8 Answers   TVS,

---

What are stable systems?

0 Answers  

---

how techometer works and how it will be connected above the flywheel in dg system

1 Answers  

---