Why is a plain induction motor unsuitable for wide speed control?

0 Answers  

---

Which Machine u will prefer to use at a place where flammable gases are coming out & why ?

4 Answers   NTPC,

---

HOW TO CALCULATE THE CABLE SIZE FOR POWER CABLE, CONTROL CABLE AND INSTRUMENT CABLE

2 Answers   CA,

---

what is prniciple of three phase IM?

3 Answers  

---

Which machine u will prefer to use at where flameble gases are comming out & why?

1 Answers   NTPC,

---

tell me about roaster switch .& what is the function in transmission & distribution?

0 Answers  

---

Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

0 Answers  

---

explain why the armature voltage changes when the field rheostat is varied in self excited DC generator

2 Answers  

---

what will happen if ac and dc supplies given

0 Answers   APTransco,

---

how does circuit breaker works

1 Answers  

---

how do you reduce the skin effect

2 Answers  

---

what is the current generated in a 230v megger?

2 Answers  

---