Answer / sheikh

there is no need to ground star point of a motor. however
generator,s neutral should must be ground .

what is meant by Back emf ?where its occur ?

6 Answers  

---

what is electricity

4 Answers  

---

What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

0 Answers  

---

What is Load sharing of Transformer ?

0 Answers  

---

Please help me regarding my one concern. - During earth pit testing we noticed that the Clean earth pit and dirty earth pit showing continuity (Resistance value - 5ohm) . I want to know that if both earth pit have separate location and there is not internal looping between PIT then why such continuity is showing on it . Because of this issue the field side all earthing point showing short. In PLC panel we are providing two types of earthing cable which is coming from separate earth pit (Clean and Dirty earth pit) because of earth PIT showing short our PLC is not complying spec . please help regarding this issues.

0 Answers  

---

What are the types of relay ?

3 Answers  

---

kindly send me 11KV MV motor differential protection procedure by primary injection method.

0 Answers  

---

how calculate gd2 of ht motors

4 Answers   Hindustan Copper Limited, Kohler India,

---

Capacitor panel CT is normally fixed on Y phase of the main panel.why???

3 Answers  

---

why we use two slope(differential & restraining) in differential relay.but in busbar protection differential we are using only one slope?please explain

0 Answers   ISRO,

---

what is derating factor in Cable ? how we minimise this?

18 Answers   Bhel, College School Exams Tests,

---

what is the power factor

13 Answers   Heidelberge Cement,

---