what is the function of step up transformer?

2 Answers   DEWA,

---

why the iron chains were hanged at the back or front of the trucks earlier which were touching the earth?

2 Answers  

---

what is difference between line differential and transformer differential?

0 Answers   L&T,

---

why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?

0 Answers  

---

I have CNC Turning lathe,while doing electrical preventive maintenance what should I do & please brief me plan & shedule for the same.

1 Answers   DRJ ARDE,

---

whats is the role of power factor in designing a tariff structure?

1 Answers   IIT,

---

What is generator

1 Answers   Mytrah Energy,

---

Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

0 Answers   NTPC,

---

Which state of India had first started power reforms?

1 Answers  

---

how we control automatic generator i'e with to supply (main supply and local generator) when the main supply was break to supply the local supply automatically to begin supplying power.I now this control circuit is the combination of contactor time delay contactor switch and overload relay .but my question is how we combine those component thank you

0 Answers  

---

in short circuit. test of a transformer 5 to 10% ofvrated voltage is used why??? if we use rated voltafe then what will be?

1 Answers  

---

Dear all, I want to use Induction motor to open and close a 1 ton door. How much power do I need. Thanks

0 Answers  

---