why airtel use + 24 volts and other operators use -48 volt

0 Answers   ABC, Airtel, INDUS, Reliance,

---

thermal power plants in steam using inlet of turbine.inlet of turbine pressure and flow is same as boiler feedpump why not use direct to turbine?

6 Answers   IBPIL, JSW,

---

What are the effects of corona in switch yard.

1 Answers   JSW,

---

By seeing a Power house Can we justify the kV of that power house?

1 Answers  

---

why expansion bellow is provided in between hopper and vessel in ash handling plant?

2 Answers   Bajaj,

---

I am opertaing generators which are beyond 14000hrs and now the fuel consumption is about 2kw per liter of diesel. The engines are due for overhauling. is this normal

1 Answers  

---

what is the real reason than natural draught cooling towers are always in hyperbolic shape

2 Answers  

---

what are the major duties of a instrumentation engineer in a power plant.?

3 Answers   Gulf,

---

What are the motors used in a thermal power plant? (With type and ht/lt) What voltage levels are used in a thermal power plant?

2 Answers   OPG,

---

What is droop.

2 Answers   Dhampur Sugar Mills, Elaf,

---

Can any one advised me how we can measure the losses in a 11kV/415v power transformer? We have no access to the incoming mains into the primary of the transformer. Can one derive something useful by measuring temperature rise in the transformer?

1 Answers   Dexdyne,

---

under which situation or why restricted earth fault protection operates in out side its zone that is external fault

2 Answers  

---