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 power factor? whether it should be high or low? why?

11 Answers  

---

what is Anti-pumping?

0 Answers  

---

How to connect the chemical earthing and complete process tell me plz

0 Answers  

---

minimum ohm for lighting minimum ohm for Earthing

3 Answers  

---

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

0 Answers  

---

we can stepdown the voltage from 230/12v ,and we use the voltage for various electronics components why can't we step up the voltage from 12/230v if we can shall we use the voltage for domestic single phase supply

5 Answers   Areva,

---

we touch other end of the tester supply, why do not get shock?

7 Answers   L&T,

---

Why we are using only Dyn11 tranformer in distribution system but not using a Dyn1 in distributing system?why not and advantage and disadvantage in both

0 Answers   Jindal,

---

where we use 1 phase & 3 phase supply ?what is major advantage using 3 phase over than single phase ?

3 Answers  

---

what is the advantage of Cathodic eathing system and what is the basic principle and how itis working, please explain clearly .

2 Answers   Meinhardt,

---

Why the power generated in dams is complex power? Why the generators in dams cannot produce Real power directly (i.e power which has zero reactive part)?

0 Answers  

---

CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??

0 Answers  

---