Though transformer consist winding which usually cause reactive power change in both generator and motor but it wont affect reactive power passing through transformer why?

2 Answers   Jindal, Reliance,

---

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

---

difference b/w eath and neutral

10 Answers   ABB,

---

How can calculate ups battery back up time?

25 Answers   Cisco, Cooper, Pronet, Wipro,

---

Why Lighting transformers are used? what will be the current if lightings connected through direct raw power?

1 Answers   BMM,

---

what is accuracy ? in any meters , coils accuracy . how can u defined that ?

0 Answers   Adani,

---

What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

0 Answers  

---

How can we design MEP services for Commercial Building in area about 22 Acres of land?

1 Answers  

---

On what principle electric motor works?

0 Answers  

---

For 1 KVA load how much KVARH capacitor can be used ?

3 Answers   NLC, TNEB Tamil Nadu Electricity Board,

---

why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

2 Answers  

---

What are the disadvantages if neutral current exists in grounded star transformer distribution system?

1 Answers  

---