why breaker closing coil gets burnt if supply is continously provided to it.

1 Answers   TATA,

---

Can Induction motor run at over rated speed? ( 15oo rpm is rated speed for 50HZ. is it possible to ride 3000 RPM with same motor with the help of VVVFD for continues ride of 100HZ)

3 Answers   Equate,

---

what is the difference between mho characteristics and quadrilateral chara in distance protection

1 Answers   Essar,

---

what is the function of choke and starter in a tube light??

2 Answers  

---

374kvar capacitor bank connected across 600kw,6.6kv motor.what will happen if motor run at 50% , whether full kvar applied or half?

1 Answers   NTPC,

---

why florescent light was flickering?

4 Answers  

---

what is Anti-pumping?

0 Answers  

---

what is difference between 2 pole structure and 4 pole structure in transformer yard

0 Answers   Hospira,

---

for measuring current and etc.,why we use value of 1.732 in three phase calculation. not in single phase.why

3 Answers   Bhel,

---

Please mention any books for electrical design load calculation for industrial,commercial(to select cable,breaker,bus bar,stator,)

1 Answers   C&S,

---

what is the equation of insulating resistance of motor???

1 Answers   Birla,

---

What is the difference between a verilog task and verilog function?

0 Answers  

---