Answer Posted / rinku

power trafo are used for higher vtgs and distribution trafos
are used for low vtgs.pow trafos are used for 400 KV, 200KV
vtg etc. Pow trafos are used for house house hold apps
eg:400 vts.

In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?

1981

---

Is any AC drive(VFD) had a feature of DC injection braking? if available please mention the detail. i.e drive can supply braking torque when the motor in idle state.

2086

---

How Load Factor, Demand Factor, Diversity Factor etc best applied in designing an electrical circuit? Is it allowed to consider these factors in each and every panel in an electrical distribution system? Can any body suggest a good book for reference?

2843

---

Please brief working principle & construction of permanent magnet AC Servo motor

2167

---

How much earthing frequency is capable?

1916

---

'documenˁ

1919

---

what is the difference b/w ATS and HTS?

2125

---

I have made a 3 phase thyristor full bridge rectifier. But at the moment it is working only for the half bridge operation. Both the half bridges are on operation separately but when i put it into full bridge operation the oscilloscope output is zero. I rechecked that the pulses are correct for each thyristor. what could be the possible reason for this?

1888

---

how can calculate resistance box for 15 kw, 6 pole, RV-230, RA-42 motor

3277

---

WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1834

---

what do u understand from filter factor of reactor?

1912

---

Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

2044

---

Why is a synchronous motor always star connected??

2541

---

Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

1949

---

What is earth?

2353

---