Answer / guest

compared to distrubution transformer the efficiency of
power transformer is much greater practically the
efficiency of power transformer is about 95 to 98 percent
although the efficeiency of dt is about 75 percent.

what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

---

what are the reasons for overheating in electrical machines?

3 Answers  

---

battery dis charge condition long time condtion?

1 Answers  

---

In power transmission using open belts or horizontal shafts it is preferable to have the slack side of the belt on the top because

0 Answers   Caterpillar,

---

what is ACB and its function?

3 Answers  

---

WHAT IS THE DIFFERENCE B/W BUSHINGS AND INSULATORS? WHAT IS THE CREEPAGE DISTANCE ?

3 Answers   TCS,

---

How to calculate the transmission losses incase of overhead transmission lines?

6 Answers   Jindal,

---

what purpose of the percentage impendance in transformer

3 Answers  

---

How many types of faults are there in 3 phase power system?

0 Answers  

---

what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

---

how c-curve of mcb's actually looks alike?

0 Answers  

---

hr round

0 Answers  

---