In pakistan appliances work on 220v at 50hz and in us appliances work on 110v at 60hz what is basic theory to explain it

1 Answers   SNGPL,

---

how to reduce the co level in your 1000kva dg set side?

1 Answers   Cognizant,

---

which are the criterias needed to select the kind of neutral earthing(solid earthing,resistance earthing,etc.) at various voltage levels in electrical distribution?

0 Answers  

---

What happen if in three phase 440 v , when you check voltage by testor it glows except one phase and in the same time when you check by multimeter it shows 440 v in any two phase.what will be the reason...

1 Answers   Greatship,

---

How to calculate impedance volt in Transformer?

0 Answers  

---

Where the ON LOAD TAP CHANGER is provided in the setp up transformer?

2 Answers  

---

how many joint can done in HT line and what is life of the joint

0 Answers   Micro Labs, Reliance,

---

Why dc shunt motor in lathe, compound motor in rolling mills

1 Answers  

---

what are the particle used along with silica gel in transformer breether,explain their functions.

4 Answers   ME, Oil India,

---

what is static switch where it can be use?

1 Answers  

---

How can I calculate the require lumen of a room. If I use Tube Light (40 W), Or 100 W incandescent lamp. Please give detail answer.

1 Answers  

---

what is the use of excitation transformer in LAVT PANEL?

2 Answers  

---