Can we step up a 230V supply to 400V using a single phase transformer??

2 Answers  

---

diff between UPS and inverter?

2 Answers  

---

4-Why we measure the insulation resistance of main core and frame in spite of that must be connected with ground before energize the transformer?

3 Answers  

---

how many units will 100 kvar capacitor consume for one day?

2 Answers   Philips,

---

what is the purpose of shading ring or shading coil in electrical equipments.

0 Answers   BARC,

---

---

the rating of fuse wire i always expressed in what?

3 Answers  

---

How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

---

how to calculate the fault in substation

0 Answers  

---

why the starting current of a motor is high?

3 Answers   ITC Infotech,

---

how to calculate the cable size

3 Answers  

---

Batteries. What is the difference between Lead and Nickel batteries ?

0 Answers  

---

what is mean by NTPC?,why didn't electric shock in train?

7 Answers  

---