Answer / krushna ch sahoo

the meeting point at which all the phase
terminals are neutralised called as star
point

Answer / ramki

star point is used to know about the unbalance current , faults ,it help to measure the zero sequence currents that to know some fault will be there

which type of material is used to transformer laminated core?

6 Answers  

---

what is FET

1 Answers  

---

What is the difference between RCD & RCCB, Where it can be used

3 Answers  

---

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

0 Answers   ABB, APL,

---

what is tesla ?

1 Answers  

---

what is residual current....

1 Answers  

---

what will be the effect on a bulb in case its connetion is change from live and neutral to live and ground??? 1) in case of single phase AC supply 2) in case of DC supply.......???

1 Answers  

---

What are the components of feedback control system?

0 Answers  

---

Why reactive power is needed in a power system? How is it being absorbed or delivered by alternators? For reactive power control we are changing excitation but reactive power absorbing or delivering related to stator. How these two are interlinked? i want a detailed explanation with necessary expressions and figures?

0 Answers   Power Plant,

---

How to test the thyresitor or SCR by multmeter?

5 Answers   ABB,

---

what is meant by power and distribution transformer ?

0 Answers   CG,

---

What is SFU ?

4 Answers  

---