Answer / nor

one of the protection relayes in generatores that dependes
on reactanse of transe and generatores

Answer / manohar

when angular displacement of the rotor exceeds the stability
limit then rotor slips a pole pitch or we can say rotor flux
slips with respec to rotor flux. this is called pole
slipping .This relay is or protection used in generators. It
needs long explanation please refer the books

Why Earthin is not required in Xformer primary side when it is in Star / star?

2 Answers  

---

why we change the direction of winding in rotor ?how we make the north and south pole?

0 Answers  

---

What is difference between ball screw and lead screw.

2 Answers  

---

Why we use stones in switchyard?

3 Answers   Havells, L&T,

---

I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

0 Answers  

---

define regulation

3 Answers  

---

what are the duty ratings in DG sets?

1 Answers   L&T,

---

How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

0 Answers  

---

which motor is used in watch..??????

3 Answers   Bhushan ITI,

---

what is the operation of UPS ? can any one answer me?

7 Answers  

---

What iz main protection of mediuum voltage motors and what iz the standard IR voltage of 6.6 and 11kv motors.

1 Answers   GE,

---

define displacement & magnitude ?

0 Answers  

---