Answer / himanshu_dee

REF protection is applied on transformers in order to
detect ground faults on a given winding more sensitively
than when only using differential protection.

what is the preventive @ predective maintenance

2 Answers  

---

why generator is design for lagging P.F(power factor)?

3 Answers   BSES,

---

why you don not show protection and type of isolation in key single line diagram?

0 Answers  

---

what is active network?

2 Answers  

---

When MICC cables used ?

0 Answers   Clinga,

---

What are the components of a substation?

3 Answers   IOCL,

---

a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

---

what is meant by neutral compensation factor and where it is used

0 Answers  

---

Why dc shunt motor in lathe, compound motor in rolling mills

1 Answers  

---

What is mean by vector group? For what purposes we doing vector group test in transformers?

2 Answers  

---

what is the difference between synchronization and paralleling?

13 Answers   BARC,

---

Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

0 Answers  

---