What is the theoretical reason for the size of a zig zag grounding transformer to be 1.732 times less than that of a wye-delta grounding transformer used for the same application?

0 Answers  

---

how the reverse power relay acts..

2 Answers  

---

Can i use the B-curve MCB instead of C-curve MCB

0 Answers  

---

What are methods to avoid the inrush current at the time of starting of power transformer ?

8 Answers   Wipro,

---

what are the changes made in induction motor so that it act as induction generator

4 Answers   APPSC,

---

In wat way the power compensation takes place when a statcom is connected in a transmission line

1 Answers  

---

what is mean by NPS (Negative phase sequence)fault? what is the difference between EFR & OCR faults?

0 Answers   TNEB Tamil Nadu Electricity Board, Vestas,

---

In sub-station how to find multifactor of panel?

1 Answers  

---

I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

---

what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

---

Is it possible to run HT motor through LT VFD (LT VFD supply given to Transformer LT side and transformer HT side connected to motor)

1 Answers  

---

what is the difference between self excited & seperately excited ?

3 Answers  

---