Answer / vels

for calculating the active power ,reactive power ,current etc in Energy meter. since the energy meter is having separate CT and PT ratio and field is having different CT and PT ratio
hence MF is required
formula
actual CT*PT ratio/meter CT*PT ratio

Answer / shakirullah khan

The multiplying factor = 0.13 (from the capacitor estimation table above) .... where the low voltage load is supplied from several distribution substations,.

why most of the modern day type electrical appliance have 2 pins rather than 3 pins?

4 Answers  

---

Why we are designed only 11Kv and 6.6Kv Alternators, not 33Kv Alternators and Power Transmission side we are designed only 220kv, 120kv, 66kv, 33kv, 11kv, and 440volts, not 20kv, 50kv, 100kv.

2 Answers  

---

Whet is IGBT.How it teste

2 Answers  

---

why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

---

What is the harm if we install primary side 11 KV VCB at a distance of one Km from the 11/3.3KV 12.5 MVA transformer through 11 KV cable.

4 Answers  

---

---

HOW TO CHECK THE VECTOR GROUP OF A TRANSFORMER YD11?

0 Answers   Siemens,

---

how to syncronize two dg sets

3 Answers  

---

defination of transistor controlled series capacitor

0 Answers  

---

What is TR of AC?

11 Answers   Carrier, Reliance,

---

Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

0 Answers  

---

Wghat is D-curve MCBs

3 Answers   Indeco,

---

Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

---