Answer / aruniscool

Motor is designed to with stand the surge of starting current for a short period.if load driven is jammed or over loaded the time the overload thermal relay will trip and save the motor from burning.

why the voltage transmission is always in a multiple of 11? e.g. 110 V, 220 V, 33 kVA, 11 kVA

16 Answers   IAF, MahaGenco,

---

we have one oven for 12 zone we are installed ir lamp in oven we control load from thyrister and 0 to 5vdc so our zone no 8 getting bright in fraction of second so what we do.. Please answer

0 Answers  

---

in DG synchronization system can i short R,Y,B- phase(DG-1) to R,Y,B Phase (DG-2), HOW IT WORK . WHAY WE NEED TO SYNCHRONIZATION.

1 Answers  

---

Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

---

What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

4 Answers  

---

can I connect 25KvA stepdown transformer(RYB-440V,UVW-240V) to the output of 15KvA,3-phase online UPS(440V phase to phase)please brief.

1 Answers  

---

Why transformer rating in KVA? and Generator also?

6 Answers   Bhel, IEEE, Toyo Denki, Toyo Engineering,

---

when turbine trips generator will becomes induction motor or synchronous motor?

4 Answers   JSW,

---

How to calculate kva? what is the formula.

21 Answers   MSIL, UltraTech, Watt, Welding Aids,

---

1000kva = how much kvar

3 Answers  

---

how can we rotate a single phase motor (without cap.)in reverse direction?

2 Answers  

---

The coils having selfinductancs 10mh and15mh,effective inductance 40mh when connected in series aiding. what will be the equivalent inductance if we connect them in series opposing?

1 Answers   BSNL,

---