Answer / ramarpandi

per unit impedance

WHAT IS THE DIFFERANCE BETWEEN IP54 AND IP55

2 Answers  

---

Dear sir, I am working in wind mill division , pls explain Pls explain in details with formula My question is Wind speed 3.5 M/s Gen RPM is 1500 ( 25 K/w Production ) Wind speed 12 M/s Gen RPM is 1500 ( 220 K/w Production ) Why in 3.5 m/s generation was low , why in 12 m/s generation was high , Pls dont explain wind force or wind density , that one already i know For the above question RPM was same why the KW was different Answer : 1. Its depends on the density ( Force ) of the air Sir , Pls explain wit Formula sir

1 Answers   Vestas,

---

why voltages are multiple of 11 or 1.1???describe with derivation plzzz.thanks

2 Answers  

---

Kindly Tell me name of the book for electrical estimation and costing ,calculation or web site to download

1 Answers   ABB,

---

Dear all, is ther any body who can tell me about the setting of ACB(air circuit breaker ). what kind of it,s setting is and how to do it,s setting. also please tell me the setting of VCB(vaccume circuit breaker) . please tell me their setting,s. i will b very thank ful to all of u. Thank,s and Regard,s. Muhammed Ikram.

2 Answers  

---

plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in

0 Answers   HPCL,

---

What is the formula for finding fault level of generator?

11 Answers  

---

What may be happen if neutral and earth is shorted in a substation

3 Answers   Bureau Veritas,

---

What is electrical charger?

3 Answers   HCL,

---

What is resolution of a measurement?

0 Answers  

---

Why mostly conductor made by 7 nos wire?

2 Answers  

---

If not maintained 3 phase clearance,what happened ?

2 Answers  

---