WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

4 Answers   Summit Power,

---

how to calculate the cable size for 500 kva transformer?

3 Answers  

---

can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

1 Answers   RVNL,

---

why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

---

the voltage per turn of a primary winding of a transformer is the same as the voltage per turn of the secondary winding of the transformer. why?

8 Answers  

---

what is Fault level? why it is calculated? how will u decide same for our plant?

0 Answers  

---

why use -48 volt DC power in telecom?

3 Answers  

---

what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

0 Answers  

---

which motor gives constant speed?

7 Answers  

---

what is mean by derating factor?

4 Answers   Essar,

---

in CNC reference how to take? what kind of input give to the servo amplifier?

1 Answers  

---

Why smallest capacity LV motor are star connected and medium & bigger size LV motors are delts connected

1 Answers  

---