what is different between auto transformer and vriac

4 Answers  

---

If u have 60KVA UPS, than tell me how systems ( computers ) u may connect?

3 Answers   Thomson Reuters,

---

when we change tha taps from 1-16 in 100mva tr whether a constant voltage avaliable till it reaches tap 16 or voltage change as per taps change

1 Answers  

---

How can we get electric power from lighting ?

3 Answers   TATA,

---

can we use only a isolator in the subtation..

1 Answers   ABB,

---

How will you Physically differentiate A.C and D.C motor?

10 Answers   BSNL, Polycab,

---

how we calculate capacitor bank mvar for 11 kv distribution networ , and i need releation between capacitor bank with voltage, frequency, current, pf

2 Answers  

---

what is mean Boost voltage and what is working principle of Tube light

2 Answers   Trimax,

---

in 11kv generators the neutral point is connected to earth via earth coil while in the 33 / 11 kv transformer the neutral point is connected to earth via earth resistor why? 

1 Answers  

---

In three phase energymeter the spindle rotating backward why?

1 Answers  

---

In case of 3Phase Supply, Voltage R-Earth/Neutral - 220 Y-Earth/Neutral - 220 Z-Earth/Neutral - 220 Total is -> 660Volts Then Why it is said that 3Phase supply is 440

6 Answers   Hindustan Unilever Limited,

---

what is sevice settings for mccb?How can be it setted?

0 Answers  

---