Procedure for conduting vector group test on power transformers.why it is conducted?

6 Answers   Grasim,

---

how rectifier transformer work in electroststic precipetatore(esp?

0 Answers  

---

What is mean by powerfactor. What is the difference between leading and lagging power factor?

2 Answers   HCL,

---

principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 Answers  

---

How much should be the specific gravity of a DG set battery Electrolyte.

2 Answers  

---

---

Why the motor take high starting current for long time(10- 15 sec) which is connected to Blower as compaire with a motor which is connected with pump with same rating?

2 Answers  

---

what happens when we give ac supply to the dc motor?and why?

4 Answers  

---

What is the normal earth resistance?

11 Answers  

---

What is the magnetic field (coil DC ) of Turbo Expander?

0 Answers   TATA,

---

what is power transformer?

1 Answers  

---

In EHV transmission line a neutral grounding reactor is often placed at neutral point of shunt reactors. What is the recommended protection for this neutral grounding reactor? Should I use a fast closing switch to bypass neutral grounding reactor when this protection operates?

0 Answers   TATA,

---

why we can use 1 to 5V dc

0 Answers  

---