Answer / gangadhar

Dear friend answer is in que only.
For 500mw generation you may use 4 nos 125MAV transformer or
2 nos 250MVA transformer.

Answer / umar

Taking power factor = 0.8
so MVA rating for 1 transformer will be =500 / 0.8 = 625 MVA
if three no. of transformers are used then rating of each
transformer will be 208 MVA.

1 ton AC takes how much current( starting & stable)

15 Answers  

---

Whether earthmat designning is done only for sub station or it can be done for multy residential complexes also? What is the size, type & arrangement of the earth grid to be done?

1 Answers  

---

what is the fuction of electrical transducer in control pannel?

6 Answers  

---

what is relation between voltage and current and don't take resistance here. if we supose say when there is increase in voltage whwt happens to current?is it decrease or increase?

4 Answers  

---

what is the working of vfd drives.

2 Answers  

---

---

What is the principle of residual protection?

0 Answers  

---

Pls explain about vfd control?Where it is used, Give some example?

3 Answers   Siemens,

---

why transformer ratings are in kva

4 Answers  

---

1 tr is equal to how many Kw .is there any specific formula for this to get the result .

13 Answers   Cipla, LG, NSN,

---

what is the difference between earth and neutral?

56 Answers   Bhel, Emerson, HCL, JLL, L&T, Siemens, TVS,

---

how we can save the power ? suppose the electricity board gives 11 kw , but the machine require only 8 kw means how we can save the exese energy

2 Answers  

---

what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

---