Answer / iamdon

The underlying reason is economy and efficiency.

The efficiency of steam turbines is high when the turbine
is run at high speeds(3000,1500 rpm)where as the efficiency
of hydro turbine is high when the turbine is run at low
speeds(750,375 rpm).

Author:arbelectbit@yahoo.com

what is the dedicated earthing

1 Answers   Reddy Labs,

---

how to find under ground cable fault ??? if our cable size is 95*4 then what will load capacity with far mull

2 Answers   Imdad,

---

in breather of transformer how sillicon gel absorb the moisture?wat happen when the moisture in that oil?

1 Answers  

---

why transformer is rated in kva?

2 Answers  

---

how to decide the load on secondary of the tranformer

1 Answers   DLF,

---

In an alternator running with a balanced zero p.f. lagging load, phase differernc between the resultant armature flux and main field flux is always____? options is 180 degree....why?? explain.

1 Answers   BREB,

---

how steam converted into electricity in power plant

4 Answers  

---

how to store the thunder power?

1 Answers   Voltech,

---

1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.

3 Answers  

---

what is difrent between earthing and ground

4 Answers  

---

Wat is the best to use in a generator a 6.5kva or a 7 kw

4 Answers  

---

Do these factors (settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot)) are the part of first order, second order, higher order, linear, non-linear, open-loop, closed-loop, homogeneous & non-homogeneous systems ?

1 Answers   Limton,

---