why r we using vaccuum circuit breakers in the place of m.o.c.b.

1 Answers  

---

how can we avoid magnetostriction in transformer?describe the suitable methods.

3 Answers   Bhel,

---

WHY SPEAKER OUTPUT IN WATTS??

2 Answers  

---

Why 60Hz motor taking more current on load in 50Hz power supply?

1 Answers  

---

what type of insulation is used for over head lines?

4 Answers   NTPC, WS,

---

---

for which possible reasons a motor can fail to start??

4 Answers   CEB, Essar,

---

What are the operation carried out in thermal power station?

0 Answers  

---

I need to compare the energy consumption of an industrial machine before and after improving. Shall I compare the apparent power or the active power? I know usually factories use compensated capacitors (or other similar components) to compensate the reactive power, so if I use the apparent power, it's not the real power consumed.

2 Answers  

---

what main difference betwenn invetter & ups & major difference

2 Answers   ABB,

---

what is the difference between surge protection capacitor and surge arrestor

0 Answers   NCS, NCS Sugars,

---

I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?

0 Answers  

---

Pls explain about full theory of salient pole generator?

1 Answers   Kirloskar,

---