Answer / shrey

Because India was once a british colony.

Answer / krajeshkumar1989

reason
1.due to insulation problem..
2.we also change the 50hz to some other hz but we can change the every equipments and power station which are operating at 50hz that becomes extremely very heavy loss (money) for INDIA to change the system frequency.
3. we can also use the frequency from 40 hz to 65hz..

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

0 Answers  

---

why booster transformer is used in sumpners test conducted on transformer????

0 Answers   Cooper,

---

Explain difference between stand by earth fault and residual earth fault protection?

0 Answers  

---

why h parameter are called as hybrid parameter?

0 Answers  

---

what is the function of switch gear ?

10 Answers   Exxaro,

---

How we connect capacitors in Fixed Series compensation of AC transmission lines. Whether in parallel or in series?

3 Answers  

---

what is importance of ka in mccb

2 Answers   ABB,

---

If DG runing time neutral is disconnected what will be the effect in Engine and Electricial panel.

2 Answers   HP,

---

What is the Surge for 1.1 Phase Induction Motor(For Eg.1Hp) 2.3 Phase Induction Motor(For Eg.1Hp) 3.AirConditioner(For Eg 1Ton) 4.Refrigerator(For Eg 180Ltr or 160kW) 5.Induction Cooker 4. Ceiling Fan

0 Answers  

---

The Source internal resitanse Rs , When equal to Load resistance RL, the maximum transfered is of _____ % of input power?

2 Answers  

---

What do you mean by distribution transformers?

0 Answers  

---

C.S.R. and where are they use in electrical systems

1 Answers  

---