Answer / annonymous

Fault MVA = 3MVA/0.0725= 41.38MVA

So fault current on 11kV side= 41.38/(1.732x11x0.8)= 2.715kA

fault current on 0.440kV side=41.38/(1.732x.44x0.8)= 67.87kA

Please give the formula for converting from 1 tr refrigeration to kw.

2 Answers   Bugema University,

---

How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

0 Answers  

---

Why electric traction is used ??

3 Answers   IOCL,

---

what diferent amoung three phase supply?

1 Answers  

---

what is the principle of tubelight ??? what is the function of starter and choke ???

1 Answers  

---

what is soft starter?working principle?where it can use?

3 Answers  

---

what convarts RRA in alternator ,AC to DC or DC to AC,

1 Answers   Birla,

---

In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

0 Answers   Caterpillar,

---

what are the methods of speed control of dc motor???

4 Answers  

---

What should be the minimum and maximum ohmic value for earthing?

2 Answers  

---

I have 150/1A Rating CT Suppose if i inject 15A in CT " Secondary" means what will happen ??????

1 Answers  

---

selection of conductor in different voltage?

1 Answers   TATA,

---