Answer / Dhirendra Shukla

Applying both differential protection and REF (Restrike Electrical Fault) protection schemes on the YNyn configuration of a transformer serves to provide comprehensive fault coverage. Differential protection ensures rapid isolation of the faulty winding, while REF protection offers additional protection against re-strikes after primary protection operation or during system restoration.

which of the following is the earliest known literary source of ancient india and indeed of mankind

1 Answers  

---

working

1 Answers  

---

what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

1 Answers  

---

How many types of AC current?

8 Answers  

---

What is the formula to calculate the rating of a three phase miniature circuit breaker

1 Answers  

---

What is the ampereage of .75 ton Ac

1 Answers  

---

what is the pulse and audio frequency transformer? what is different between induction regulators and tap changing transformer?

1 Answers  

---

please send me last 5 year interview questions

0 Answers   ONGC,

---

State ohm’s law?

1 Answers  

---

Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet

1 Answers   Bindal Papers,

---

Give me clear explanation.What is the Different Between Load break switch and Vacuum circuit breaker

1 Answers  

---

What is an exciter and how does it work?

7 Answers   FCUK, Lotte Chemical Titan, TATA,

---