Answer / p.r.gowri sankar

The "Safety protections of the Transformers" are fallows
1.Neutral Earthing
2.Bucholtz Relay
3.over Current Earth fault Relay
4.Differential Voltage Relay
5.Instantaneous Voltage Relay
6.Earth Leakage Relay

what is the purpose of slope in the differential relay?why we are using two slope?but in busbar differential we are using only one slope.why?

0 Answers  

---

what is auto transformer

3 Answers   IBM,

---

Which Motor used in Fan's Motor ?

3 Answers   Matsui Technologies,

---

How do you know when the battery is fully charged?

6 Answers   ABB, Pricol,

---

what is the difference between earth leakage and earth fault?

0 Answers   L&T,

---

What is the In door to Out door Sub Station.

5 Answers   L&T,

---

how do we fix the rating of mcb required for a specific capacity of the electric motor

2 Answers  

---

Define conversion efficiency of a power amplifier. What is its value for class c power amplifier?

0 Answers  

---

give me the details of anti pumping relay

2 Answers  

---

What is an Antipumping relay ?

4 Answers  

---

line and phase voltage relationship?

2 Answers   CPCL, IVRCL,

---

Why ferranti effect occurred in leading p.f load?

1 Answers  

---