Why indicate only 440V to 3-phase supply.

4 Answers  

---

why need of ac exietation in alternater.

2 Answers  

---

what will happen if we pass a dc current through a ac bulb of 60 watt.The dc current is half ac one

4 Answers  

---

why transmission voltage is 230kv and not 220kv which is a multiple of 11

1 Answers   Mettur Thermal Power Station, Siemens,

---

At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

---

---

What is mean CT Saturation? How to calculate?

3 Answers   NetGroup, Tyco,

---

what is PI value and its significance for insulation testing?

3 Answers  

---

Why Generator KVA not in KW ?

3 Answers   Bygging India, HHH, Tata Motors, TVS,

---

how can we find a burden of potential transformer? what does it effects? how can we calculate rated load of it?

4 Answers   Areva, KPTCL,

---

tell me some type of questions throught which i can prepare for exam and do my best

0 Answers   Jindal,

---

How to calculate percentage impedance of a power transformer.

1 Answers  

---

what is the right method of laying cable tray if we are using EOT crane in shed, better is below or up

1 Answers  

---