What Should I Know about Metering, Switchgear and Panels?

2 Answers  

---

What is FM 200?

2 Answers   Dalkia,

---

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

0 Answers  

---

Which type of transformer used in lighting load?

2 Answers   IMFA,

---

what is breathing?

0 Answers   PWD,

---

what is the meaning of powerfactor

6 Answers   NTP,

---

why the transformer primary and secondary windins vector groups vary? why it is something like Dy11 and not as Dy or Yy...

2 Answers  

---

Why DG self motor winding burnt out?

1 Answers   Aegis,

---

1 Ton is equal to how many watts?

0 Answers  

---

For high frequency application we use which transformer?

0 Answers  

---

If ac voltage applied to the field of dc generrator the output of dc generator ?

1 Answers   SSC,

---

If a 3 phase transformer is a 500 kva using the formulae 500kva= 500000/433 x 1.732 = 666.71amps does this mean that each phase on the secondary side is 666.71

3 Answers   Saffron,

---