Answer / srnmurali

to start a motor we need rotating magnetic field. this will
be produced by two windings.

Answer / dhivyabharathi

To produce rotating magnetic field, atleast two windings(two
fluxes) are required.So, primary and auxiliary windings are
given.

Answer / viswanatha reddy

why we are using two wdgs means one wdg is used for strting purpose and another wdg is used for running purpose

What can make the the overloads operate when a star delta three phase motor starts?

1 Answers  

---

why ht alternators gland plats using brass?

1 Answers   ONGC,

---

How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

---

Leakage current,un balance current which relay using for high voltage transmission?

0 Answers   Banking,

---

What are the reasons for the parallel operation of transformers?

0 Answers  

---

---

HOW MANY EARTHINGS REQUIRED FOR GENERATER

10 Answers   Juniper Networks,

---

What is limitedly stable system?

0 Answers  

---

What is BKW of Motor. And what its significance

1 Answers   CGL, PK, Thermax,

---

what is the function of commutator in dc motor?

52 Answers   Aviation, HP, Raj Construction, TCE, University Exams,

---

I got shortlisted in RRB thiruvananthapuram for the post of Junior Electrical engineer, waiting List - 7. i want to know about the validity of the current list and chance to get the job please help anybody knws abt it,, thank you

1 Answers  

---

what is the difference between starter and control panel..?

4 Answers  

---

IN 3 PHASE INDUCTION MOTORS SOMETIMES COPPER BARS ARE PLACED DEEP IN ROTOR WHY..?

3 Answers   ONGC,

---